Grade 9 - Science

Q.
No Mar
. Questions ks
1 Consumers of electrical energy are billed according to the amount of energy 1
they use. The unit most commonly used for measuring electrical energy
consumption is__________.
(A) Volts
(B) Kilowatt-hours
(C) Newton-meters
(D) Kilowatts

2 The table below shows a few products obtained from plants and animals. 1

Which one of the following has been placed in the wrong column?
(A) Jaggery
(B) Tamarind
(C) Rubber
(D) Silk

3 Nuclear power plants can produce energy more cheaply and with less 1
pollution than thermal power plants. Why are there not more nuclear power
plants than thermal power plants?
(A) There is an endless supply of fossil fuels like coal available.
(B) Nuclear fuels produce too little heat during the nuclear fission reaction
(C) A kilogram of fossil fuel produces more energy than a kilogram of
nuclear fuel.
(D) The issue of disposal of radioactive nuclear waste is not satisfactorily
resolved.

4 The table shows the number of carbon atoms in a range of compounds made 1
from petroleum.

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Which substance would contain octane (C8H18)?

(A) Petrol
(B) Kerosene
(C) Diesel
(D) Fuel Oil

5 What happens to the individual molecules in a vegetable when we eat the 1

vegetable?
(A) Individual molecules are always broken down into their constituent
atoms during the digestion process.
(B) Individual molecules are always completely destroyed during the
process of eating and digestion.
(C) Individual molecules are always unaffected and stay in their original
form in our bodies.
(D) Individual molecules may stay unaffected or their atoms may recombine
to form different molecules.

6 The figure shows the amount of water in a graduated test-tube. The curved 1
surface shown is called the meniscus. What is the correct reading of the
volume of liquid?

(A) 7.1 ml
(B) 7.2 ml
(C) 6.8 ml
(D) 6.6 ml

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7 Often when we get hurt, we find that a thick, whitish fluid, called pus, 1
develops at the wound. Which of these is a constituent of pus and is formed
from our body's mechanism for fighting attacking microorganisms?
(A) Dead red blood cells
(B) Dead white blood cells
(C) Damaged muscle cells
(D) Escaping body fluid

8 Rama suspects that the LPG cylinder is leaking, and immediately turns the 1
cylinder valve to the OFF position. What should she do next?
(A) Switch on all lights.
(B) Switch off all lights.
(C) Open all the windows.
(D) Close all the windows.

9 Which of these lists contains only heavenly bodies that are part of our solar 1
system?
(A) planets, moons, comets
(B) galaxies, constellations, asteroids
(C) black holes, meteors, stars
(D) constellations, asteroids, meteors

10 Which of these in the blood carries oxygen from the lungs to the body cells? 1
(A) Plasma
(B) Platelets
(C) Red blood cells
(D) White blood cells

11 Mercury can vaporize if heated. This means that with enough heat mercury 1
can__________.
(A) be destroyed
(B) become water vapour
(C) be changed into a gas
(D) change from a liquid to a solid.

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12 According to the graph, which of these is the least soluble in water at 200C? 1

(A) CaCl2
(B) KCl
(C) NaCl
(D) Li2SO4

13 A truck driver drove 200 kilometres in 6 hours as shown in the graph. At 1

which of the following times was the truck moving the slowest?

(A) About 1 hr after he started

(B) About 3 hrs after he started
(C) About 4.5 hrs after he started
(D) About 5.5 hrs after he started

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14 You read a newspaper report that a food product you consume regularly 1
contains pesticides which can cause cancer in the long term. What would be
the scientific thing to do at this stage?
(A) Ignore the report - anyway the effects are very long term.
(B) Stop consuming the product with immediate effect.
(C) Obtain more details about the tests and try to understand them.
(D) Discuss the issue widely with your friends and share your fears.

15 We wish to test if a certain vaccine developed for a disease is effective or 1

not. What is the best way to do this?
(A) Vaccinate 100 animals and expose all 100 to the disease.
(B) Vaccinate 100 animals and expose 50 of them to the disease.
(C) Vaccinate 50 animals, do not vaccinate 50 other animals, and expose all
100 to the disease.
(D) Vaccinate 50 animals, do not vaccinate 50 other animals, and expose the
vaccinated animals to the disease.

16 A student wishes to test whether adding a substance (called an anti-freeze) 1

to water lowers the freezing point of the water. Measuring which of these
variables will help her arrive at a conclusion?
(A) Amount of water put into the container
(B) Amount of anti-freeze added to the water
(C) Temperature at which the mixture freezes
(D) Type of thermometer used to make the measurement

17 Red, Green and Blue coloured light can be mixed in different proportions to 1
obtain other colours. For example,

Red + Green = Yellow

Green + Blue = Cyan
Red + Blue = Magenta

Benedict's Solution is a compound used to test for the presence of sugar in a

solution. A high concentration of sugar gives a red colour and a lower
concentration of sugar gives a yellow colour. In which of these coloured
lights can the test results be seen correctly?
(A) Red
(B) Blue
(C) Yellow
(D) Cyan

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18 The earth's history is divided into various geological eras (like Cambrian, 1
Jurassic, etc.) corresponding to different time periods in the earth's past. The
graphic alongside shows which species dominated in different geological
eras.
For example, trilobites existed from the Cambrian times but declined by the
end of Permian era.
Study the graphic and answer the question:

Which is the oldest surviving life form?

(A) Sponges
(B) Amphibians
(C) Reptiles
(D) Insects

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19 The earth's history is divided into various geological eras (like Cambrian, 1
Jurassic, etc.) corresponding to different time periods in the earth's past. The
graphic alongside shows which species dominated in different geological
eras.
For example, trilobites existed from the Cambrian times but declined by the
end of Permian era.
Study the graphic and answer the question:

Which life forms appear to be extinct?

(A) sponges, insects and flowering plants
(B) bony fishes, dinosaurs and mammals

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(C) sponges, insects and reptiles

(D) trilobites and ammonites

20 There are many reasons why the amount of heat received at higher latitudes 1
is less than the lower latitudes. Which of these is NOT a reason?

(A) Sunlight has to pass through a greater thickness of atmosphere in the

higher latitudes.
(B) Sunlight has to travel a greater distance to enter the atmosphere in the
higher latitudes.
(C) Sunlight that strikes the Earth is spread over a greater area in the higher
latitudes.
(D) More of the sunlight striking Earth is reflected away in the higher
latitudes.

21 Your task is to generate electricity through a chemical reaction. Which 1

among the following groups would you use?
(A) Magnet, Copper Wire, HCl, Test Tube
(B) Beaker, HCl, Zinc, Copper Strips
(C) Silk Material, Rubber Rod, Electroscope
(D) H2SO4, Graphite, Silicon, Graduated Cylinder

22 In which of these cases is there no ROTATIONAL MOTION? 1

(A) operating a pulley
(B) hitting a shuttlecock
(C) riding a bicycle
(D) using a beam balance

23 When a car turns, its front wheels do not turn by the same amount. In order 1
that the car turn around a common point, the wheel on the side to which the
car is turning, turns more than the other.
Which of these correctly shows the alignment of a car's wheels when it is
turning to its right?

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(A)

(B)

(C)

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(D)

24 In a laboratory we often use a stirring rod while pouring liquids to __________. 1

(A) keep the liquid from getting hot

(B) reduce the evaporation of the liquid
(C) obtain a steady flow of the liquid
(D) form liquid layers of different densities

25 The density of water is 1 g/cc. Ice floats on water with 90% of its volume 1
inside the water.
What will be the mass of a cube of ice of side 3 cm?
(A) 27 g
(B) 30 g
(C) 24.3 g
(D) (the data is insufficient)

26 A hunter sees a fish which is swimming in clear water as shown in the figure. 1
To hit the fish, he should take aim adjusting for the fish's motion and ____

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(A) exactly at the depth the fish appears to him to be.

(B) a little below where the fish appears to him to be.

(C) a little above where the fish appears to him to be.

(D) at the fish's eye, exactly where it appears to be.

27 A dropper partly filled with water is placed in a plastic bottle which is full of 1
water, but tightly closed. When the bottle is squeezed, the dropper sinks
further. Why does this happen?

(A) Some water enters the dropper increasing its density.

(B) Some water leaves the dropper increasing its density.
(C) Some water leaves the bottle increasing its density.
(D) Some air leaves the dropper increasing its density.

28 Tyre marks from a motorcycle and a bicycle are seen on a road. A square 1
section of the road is made of concrete and does not display any marks. It is
not possible for any vehicle to get off the road in the part shown.

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We can deduce WITH CERTAINTY:

(A) that the motorcycle passed before the cycle.
(B) that the cycle passed before the motorcycle .
(C) the cycle's direction of passing.
(D) the motorcycle 's direction of passing.

29 Study this diagram that gives information about the brightness and 1
temperature of different types of stars.
(Note that the temperature scale is reversed.)

What type of stars are WHITE DWARFS?

(A) Very hot, not very bright
(B) Very hot and very bright
(C) Not very hot, not very bright
(D) Not very hot but very bright

30 See this sculpture of a man's face. Depending on the direction from which 1
light falls on it, the view changes. This is the view when the light falls on it
from the front

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From which direction is the light falling in the case shown below?

(A)

(B)

(C)

(D)

31 Mitochondria are known as the 'powerhouse' of the cell. Which of the 1

following cells are likely to contain most mitochondria?
(A) Blood Cells
(B) Skin Cells
(C) Muscle Cells
(D) Stomach Cells
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32 Which of these is/are conserved during a chemical reaction? 1

(A) mass only
(B) charge only
(C) both mass and charge
(D) neither mass nor charge

33 Study the picture of the human heart. Some parts are marked on it. 1

Which letter represents the left ventricle?

(A) A
(B) B
(C) C
(D) D

34 When people fall ill, their immune system fights the disease and tries to 1
restore the person to good health. Which disease is known to attack the
human immune system leaving the body susceptible to various kinds of
infection?
(A) Chicken Pox
(B) Pneumonia
(C) Tuberculosis
(D) AIDS

35 ''Farm Fresh'' shop in Kolkata advertises that they sell vegetables grown 1
through organic farming methods. What is likely to be special about such
vegetables?
(A) They are available at much cheaper prices.
(B) They remain fresh for longer periods of time.

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(C) They are genetically modified for better taste.

(D) They are grown without chemical fertilizers.

36 Which of these happens during a SOLAR eclipse? 1

(A) The shadow of the moon falls on the earth.
(B) The shadow of the moon falls on the sun.
(C) The shadow of the earth falls on the moon.
(D) The shadow of the earth falls on the sun.

37 In the diagram below, a 20 Newton force is used to push a 2 kilogram toy 1

cart a distance of 5 meters. The work done on the cart is____________.

(A) 40 J
(B) 100 J
(C) 150 J
(D) 200 J

38 If hydrogen peroxide is stored in a clear glass bottle and is left to stand, it 1

decomposes into water and oxygen.

Which of the following correctly shows the balanced equation for this
decomposition?
(A) 2HO2-------------> 2HO + O
(B) 2H2O2--------------> 2H2O + O2
(C) 2H2O-----------------> 2H2O + O2
(D) H2O2----------------> H2O + O

39 George is running towards the finish line in a race. The sun is casting his 1
shadow as shown. In which direction is George running?

(A) definitely north-west

(B) either north-east or south-west

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(C) definitely south-west

(D) it is not possible to tell from the given information

40 In many countries including India, petrol cars are expected to use unleaded 1
petrol and not leaded petrol which was used earlier. What is the reason for
this?
(A) Unleaded petrol is cheaper than leaded petrol.
(B) Unleaded petrol is less hazardous for human health.
(C) Unleaded petrol gives more mileage than leaded petrol.
(D) All of the above.

41 When you bend to pick up a book, a lot of things happen very quickly in the 1
muscles, nerves and organs of your body that help you perform the action.
Which is the correct route by which the messages travel through the body
enabling this action?
(A) Effector Muscle --> Motor Neuron --> Central Nervous System -->
Sensory Neuron --> Receptor
(B) Receptor --> Sensory Neuron --> Central Nervous System --> Motor
Neuron --> Effector Muscle
(C) Receptor --> Motor Neuron --> Central Nervous System --> Sensory
Neuron --> Effector Muscle
(D) Effector Muscle --> Sensory Neuron --> Central Nervous System -->
Motor Neuron --> Receptor

42 The carbon atom forms a part of all the major molecules found in living 1
things. Which of the following does not contain carbon?
(A) DNA
(B) HCl
(C) Plastics
(D) Diesel

43 Picture P below shows a fossilized image of the Archaeopteryx revealing 1

certain identifiable characteristics such as long tapering tail with feathers
along each side. There is also evidence of teeth in the artistic illustration
(Picture Q) of the fossil. Based on these evidences, the Archaeopteryx can be
said to be intermediate to______________.

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(A) Reptiles and Birds

(B) Birds and Mammals
(C) Fishes and Birds
(D) Reptiles and Mammals.

44 Identify the object shown in the picture 1

(A) A TV transmitter
(B) A cell phone antennae
(C) A railway signal
(D) A street light

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45 1

A group of 4 friends decided to test their blood for haemoglobin levels. From
the results tabulated, identify the person most likely to be suffering from
ANAEMIA?
(A) Prannoy
(B) Varun
(C) Mary
(D) Imran

46 The Andaman Islands in the Bay of Bengal depend exclusively on rain for 1
their freshwater supply. Some of the hotels in the Andamans started using
seawater instead of fresh water for flushing toilets. This is an example
of_______________.
(A) recycling of resources
(B) conservation of resources
(C) prevention of pollution
(D) enviornmental planning

47 Identify P,Q and R in this representation of the Rock Cycle. 1

(A) A
(B) B
(C) C
(D) D

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48 Standing on an accurate weighing scale in an elevator, Sandeep notices that 1

his weight being shown is a few kg (wt) more than his normal weight. It is
likely that the elevator is_______________.
(A) accelerating upward
(B) accelerating downward
(C) moving upward at constant speed
(D) moving downward at constant speed

49 Which are the bulbs connected in series with each other and which are 1
connected in parallel in the circuit shown here?

(A) A
(B) B
(C) C
(D) D

50 The architect of a multiplex is advising the owners to fit Compact 1

Fluorescent Lamps (CFL) in place of regular lamps where they will be kept
on for over 18 hours every day. What could be the reason for this?

(A) The wattage of CFL Lamps is higher and hence they give brighter light.
(B) CFL Lamps give white light which is not possible with other lamps.
(C) CFL Lamps use less energy and savings can be high with high usage.
(D) CFL Lamps are priced much lower than regular lamps.

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51 Sunil views a slide of onion root cells in a compound microscope under low 1
power objective. He wants to increase the magnification to see the slide
better. His teacher tells him to centre the portion of the slide he wants to see
in the field of view, before he shifts to the high power objective.

This is important because_____________.

(A) under high power a smaller area of the slide is observed.
(B) under high power a larger area of the slide is observed.
(C) under high power the entire slide is magnified.
(D) under high power focussing is not possible at all.

52 The diameter of a field of view while using a 10X objective in a microscope is 1

determined to be 2 millimetres (mm).

From the picture of the cells as observed in the picture, the average length of
each cell is about:
(1mm = 1000 micrometers)
(A) 250 micrometers
(B) 1000 micrometers
(C) 2000 micrometers
(D) 4000 micrometers

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53 A coil is wrapped loosely around a cylindrical wooden piece and its ends are 1
connected to a battery as shown. In which case will the compass needle
placed near the coil deflect when the circuit is closed?

(A) Only if the cylindrical wooden piece is replaced by an iron piece

(B) Only if the cylindrical wooden piece is replaced by a magnet.
(C) Only if the cylindrical wooden piece is replaced by a magnet which is
moved in and out of the coil.
(D) (The needle will deflect even with the wooden piece alone.)

54 1

See the figure above. If the local time at point P on Earth is 12 noon, the time
at Q is likely to be about:
(A) 7.00 PM
(B) 2.00 AM
(C) 5.00 AM
(D) 5.00 PM

55 A lump of bread dough in a baking tin contains air and carbon dioxide 1
released by the yeast cells.

When heated the dough rises to about twice its size. In this case, the increase
in temperature has resulted in _____________.
(A) an increase in volume while the pressure remained constant.
(B) an increase of pressure while the volume remained constant.
(C) an increase in both volume and pressure.
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(D) a decrease in both volume and pressure.

56 An open box has two mirrors arranged as shown, with a ray of light incident 1
on one of the mirrors. How many times will the ray reflect before it leaves
the box?

(A) 2
(B) 3
(C) 5
(D) The ray will never leave the box

57 The diagram below shows two points, P and Q, on a wave train. 1

How many wavelengths separate point P and point Q?

(A) 0.75
(B) 1.0
(C) 1.5
(D) 2.5

58 Irfan, who is 1.8 metres tall, wants to fit a mirror in his house in such a way 1
that he can see himself completely from head to toe in it. He has read in his
Physics book that a mirror of about half his height is sufficient for the
purpose, so he buys a 0.9 metre tall mirror.

Study the diagram given below. What must Irfan take care of so that he can
see his reflection fully in the mirror?

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(A) He must stand at least 1.8 metres from the mirror.

(B) He must stand less than 1.8 metres from the mirror.
(C) He must fit the mirror at a specific height from the floor.
(D) (Irfans plan wont work - he will not be able to see himself fully.)

59 During a visit to his hometown in rural Karnataka, Akaash saw a show of 1

street performers. He saw a young boy walk on a rope carrying a long stick
horizontally parallel to the ground.

Akaash wondered why the rope walker needed the stick. Can you identify
the most important reason for this?
(A) The rope walker wanted to scare away any bird that may fly close and
make him lose balance.
(B) The rope walker found it easier to maintain balance through small
adjustments of the stick.
(C) The rope walker wanted to increase his body weight on the rope by
carrying the stick.
(D) The rope walker could jump to the ground using the stick in case he lost
balance.

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60 Study the table below showing the timings of the rising and setting of the 1
sun and moon on certain days. The timings are as per the 24 hour clock.

Which option correctly describes the time of moonrise and moonset for a
NEW MOON?
(A) The new moon rises at midnight and sets at noon.
(B) The new moon rises at noon and sets at midnight.
(C) The new moon rises at sunrise and sets at sun set.
(D) The new moon does not rise at all.

61 Paracetamol tablets are given by doctors to reduce fever in patients. 1

According to this label found on the tablets, the MAXIMUM amount of

Paracetamol that a patient can be given IN 24 HOURS is
(A) 500 mg
(B) 1000 mg
(C) 2000 mg
(D) 4000 mg

62 The number of protons and neutrons in the atom of an element are 1

represented in this form.

Uranium-238 undergoes radioactive decay by losing an alpha particle to

produce Thorium. This is expressed mathematically by the following
equation:

What is the number of protons and neutrons in an alpha particle?

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(A) 2 protons and no neutrons

(B) 4 protons and no neutrons
(C) 2 protons and 2 neutrons
(D) No protons and 4 neutrons

63 The half life of a radioactive material is the time in which half its atoms 1
decay. Technetium-99 is a radioactive material with a half life of 6 days. It is
used to study blood flow around the body. A sample of technetium-99 has an
activity of 96 counts per minute when injected into a patients blood stream.
Its activity after 18 days would be
(A) 48 counts per minute
(B) 24 counts per minute
(C) 16 counts per minute
(D) 12 counts per minute

64 Compared to a chlorine atom, Cl, a chlorine ion Cl-, will have _______ 1
(A) one proton less
(B) one neutron more
(C) one electron more
(D) one neutron less and one proton less

65 Which of these fuels will cause the least amount of Suspended Particulate 1
Matter (SPM) pollution when burned?
(A) Cow dung
(B) Coal
(C) Wood
(D) Natural gas

66 A study of food webs in our environment leads us to the conclusion that: 1

(A) Vegetarianism is preferable to non-vegetarianism.
(B) The source of all energy in all food webs is plants.
(C) Living things are part of a complex interdependent chain.
(D) Man is the only creature who kills for pleasure.

67 Which type of soil do the particles shown in the figure belong to? 1
(Use the scale given in the photograph)

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(A) Gravel
(B) Sand
(C) Silt
(D) Clay

68 To which of the cells shown below does the disease TETANUS belong? 1

(A) A
(B) B
(C) C
(D) D

69 Which switches must be closed for the bulb to light up? 1

(A) (P or (Q and R)) and S

(B) (P or S) and (Q or R)
(C) (P and (Q or R)) or S
(D) (P and Q) or (P and S)

70 Which element is found in both sodium chlorate and zinc nitrate? 1

(A) nitrogen
(B) hydrogen
(C) oxygen

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(D) Chlorine

71 Ethane is an organic compound having the chemical formula C2 H6. Which of 1

the following is the correct representation of the ethane molecule?

(A)

(B)

(C)

(D)

72 The table below describes some of the organelles visible in a cell under a 1
microscope. Identify the type of organism to which the cell belongs.

(A) It is the cell of an animal.

(B) It is the cell of a plant.
(C) It is the cell of a bacterium.
(D) It is the cell of a virus.

73 An airplane takes off from Mumbai for the 1625 km trip to Kolkata. The 1
plane lands at Kolkata two and a half hours later. Which of the following best
describes the average speed and direction of the airplane's flight?

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(A) 650 Km/h, north of west

(B) 1625 Km/h, south of east
(C) 650 Km/h, north of east
(D) 325 m/s, north of east

74 The constellation Orion (the hunter) is shown. Which of these is true about 1
the shape of Orion, as seen from the Earth?

(A) It changes over millions of years

(B) It changes over a few decades
(C) It changes over a few years
(D) It remains the same and never changes

75 The graph shows the orbit time and average distance from the Sun of some 1
planets and some asteroids.

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The asteroid Vesta is in orbit at an average distance of 360 million

kilometres from the Sun. How long does it probably take to orbit the Sun?
(A) 1 year
(B) 3 years, 9 months
(C) 4 years, 10 months
(D) 8 years, 2 months

76 The penetration characteristic of 4 DIFFERENT rays is given below. Which 1

one of them could be Xrays?

(A) A
(B) B
(C) C
(D) D

77 The chamber of the heart that has the thickest muscles is one that_______. 1
(A) pumps oxygenated blood to all parts of the body.
(B) pumps deoxygenated blood to the lungs.
(C) receives oxygenated blood from the lungs.
(D) receives deoxygenated blood from all parts of the body.`

78 The diagrammatic representation of the sound wave given out by a siren of a 1

security vehicle is shown below when the vehicle is STATIONARY, MOVING
SLOWLY and MOVING FAST.

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As the vehicle APPROACHES an observer, in which of these ways will the

sound heard change?
(A) its volume will decrease
(B) its pitch will increase
(C) its frequency will decrease
(D) there will be no change in the sound heard.

79 If a lighted splint is put into a small sample of a gas and a 'pop' sound is 1
heard, the gas is identified as hydrogen. What is the 'pop' sound due to?
(A) formation of hydrogen molecule
(B) formation of oxygen molecule
(C) combustion of hydrogen
(D) combustion of oxygen

80 Given below is a diagrammatic representation of a process taking place in a 1

specific region of the human body. Which region/organ is this?

(A) The heart

(B) The lungs
(C) The liver
(D) Bones

81 Raghav drives from Mumbai to Lonavla and then back to Mumbai by the 1
same route. Before starting from Mumbai, he notes the MAIN odometer

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reading (5250km). Before starting from Lonavla, he sets the TRIP odometer
to zero.

On his way back from Lonavla, this is the reading on the panel when he
stops for a break.

How many kilometres is he away from Mumbai?

(A) 44 km
(B) 62 km
(C) 106 km
(D) 150 km

82 Which of these characteristics of water remains the same no matter what is 1

dissolved in it?
(H: Hydrogen, O: Oxygen)
(A) Ratio of H to O in its molecule
(B) Its refractive index
(C) Ratio of H to O in the mixture
(D) Its boiling point

83 Study the table given below - it shows the pH value of many common liquids. 1
The pH value represents the acidity of a given liquid. Pure water is said to be
neutral, that is, neither acidic nor basic.

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Which of these is a valid conclusion that can be drawn from the table?
(A) Many common food items are quite acidic in nature.
(B) Our stomach contains a liquid which is a weak acid.
(C) Sea water is neither acidic nor basic - it is neutral.
(D) Acid rain, in spite of its name, is basic in nature.

84 People who suffer from acidity are prescribed 'antacids' that often bring 1
them relief. Which of these could be the pH value of an antacid?
(A) 1
(B) 4
(C) 7
(D) 10

85 4 different weights P, Q, R and S can be balanced by shifting the fulcrum on a 1

metre scale divided into 5 equal parts as shown below.

Where must the fulcrum be to balance P and S?

(A) A
(B) B
(C) C

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(D) D

86 Study the apparatus set up by Alka in her Science lab. Which of these 1
conclusions can she correctly draw if the lime water in setup Q turns milky
after a few days, but the lime water in R does not?

(A) Respiration continues in fish for some time after death.

(B) Decaying fish absorb carbon dioxide from the atmosphere.
(C) Decaying fish give out carbon dioxide into the atmosphere.
(D) Decaying fish absorb oxygen from the atmosphere.

87 Study the view of the globe given here. 1

Which of these could be the time in Tokyo at the position shown?

(A) About 11 am
(B) About midnight
(C) About 9 pm
(D) (Information insufficient)

88 The figure below shows a potometer with its parts marked. Its functioning is 1
described below:

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A shoot is held in place in the tube using a rubber stopper with a hole. A
bubble is introduced to the capillary. The position of the bubble is set at the
start of the experiment by turning the tap on the reservoir. The distance the
bubble travels in a given time is noted.

Which of these is the potometer probably used for measuring?

(A) Oxygen intake by a plant.
(B) Carbon dioxide intake by a plant.
(C) Water intake by a plant.
(D) Effect of water salinity on a plant.

89 Each element in the periodic table can appear in gaseous form and will 1
produce a series of spectral lines unique to that element. Thus, scientists can
identify what elements are in stars from the lines they find in the star's
spectrum. This type of study is called spectroscopy.
Given below are the spectral lines of four elements and also an unknown
gaseous mixture. Identify the elements in the unknown mixture.

(A) Lithium and sodium

(B) Lithium and hydrogen
(C) Helium and hydrogen
(D) Helium and sodium

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90 400g each of water, oil and sand are taken and heated from room 1
temperature to 70 C on identical Bunsen burners. The time taken for each
o

to reach that temperature is noted.

Heating is then stopped and the time taken for each to cool to room
temperature is noted.
Which of these will be true?
(A) Substances that take more time to get heated will take more time to cool.
(B) Substances that take more time to get heated will take less time to cool.
(C) There is no connection between the time taken to get heated and to cool.
(D) The time taken to get heated depends on the mass, the time taken to cool
does not.

91 In 1935, a species of toad from central and south America was introduced 1
into Australia. It was thought that the toads would eat the beetles that were
destroying the sugarcane. Which of these was UNLIKELY to have been an
effect of the introduction of the toads?
(A) The toads ate other useful wildlife also.
(B) The toads themselves multiplied too much.
(C) The toads themselves ate the sugarcane crop.
(D) The toads brought in a new or unknown disease.

92 A discus thrower rotates his body with his arm out (holding the discus) in a 1
circle that is 1.8 metres wide. If he completes the last rotation in one second,
what would be the MINIMUM speed of the discus when it is just released?

(A) 1.8 m/s

(B) 5.7 m/s
(C) 3.6 m/s
(D) 0.9 m/s

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93 A ray of white light is passed through two filters - a Cyan Filter and a 1
Magenta Filter. (A cyan filter is one which allows only cyan coloured light to
pass through) Also,

White = Red + Green + Blue

Cyan = Green + Blue
Magenta = Red + Blue

Which colour light will be seen by the observer?

(A) green
(B) blue
(C) yellow
(D) black: no light is seen

94 The orbit of most planets about the Sun is elliptical. According to Kepler's 1
Laws, the area swept by a body orbiting the sun is the same for any fixed
duration of time (This is shown in the figure.)

From this we can deduce that a planet would be traveling fastest at:

(A) A
(B) B
(C) C

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(D) D

95 H2 + N2 ----> NH3 1
The MINIMUM number of molecules of ammonia that can be produced from
the above reaction is:
(A) 1
(B) 2
(C) 3
(D) 4

96 Study the scale carefully. Ashok should represent the length of the nail as 1

(A) 3.8 cm
(B) 3.85 cm
(C) 4.8 cm
(D) 4.85 cm

97 Which of the following diseases is spread by both contaminated food and 1

contaminated water?
(A) Common cold
(B) Chicken pox
(C) Rabies
(D) Typhoid

98 In a closed container, 500 g of steam is cooled until all the steam becomes 1
water. The container is then cooled further until all the water becomes ice.

Which of the following remains the same during both of these changes?
(A) the mass of the water
(B) the pressure in the container
(C) the temperature of the water
(D) the volume of the water

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99 Microorganisms causing diseases like tuberculosis (TB) sometimes develop 1

resistance to the drug due to their exposure to the drugs. Which of these
could contribute to this resistance?
(A) Patients not completing the treatment but stopping the course once they
feel better.
(B) Patients not beginning the prescribed treatment at all for different
reasons.
(C) Patients continuing the treatment beyond the prescribed period of
medication.
(D) Patients following doctors' advice and continuing the treatment exactly
as instructed.

10 The figure below shows a light dimmer - as the slider is moved in the 1
0 direction of the arrow, the light dims.

Which of these principles is the functioning of a light dimmer based on?

(A) Resistance of a wire depends on its thickness
(B) Resistance of a wire depends on its length.
(C) Resistance of a wire depends on its material
(D) Resistance of a wire is not uniform at different points.

10 Which of the following is the most accurate description of comets? 1

1 (A) Comets are small, rocky bodies that orbit the Sun primarily between the
orbits of Mars and Jupiter.
(B) Comets are celestial bodies having a solid head and an elongated vapour
tail when close to the Sun.
(C) Comets are interplanetary matter that pass through the Earth's
atmosphere and strike the ground.
(D) Comets are heavenly bodies that orbit a larger astronomical body, but
smaller than moons.

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10 Cell theory states that all organisms are made up of one or more similar 1
2 units of organization called cells. Which of the following organisms do not
strictly adhere to this theory?
(A) protozoa
(B) bacteria
(C) viruses
(D) algae

10 See the arrangement of two pulleys being used to lift a LOAD by exerting an 1
3 EFFORT. If the load is initially stationary, what effort needs to be applied to
keep the weight hanging?
(The weights of the pulley and rope are negligible compared to the weight
that is hanging.)

(A) Effort has to be equal to the load

(B) Effort has to be half that of the load
(C) Effort has to be one third that of the load
(D) Effort has to be one fourth that of the load

10 The list given here is known as the Electrochemical Series of metals. A metal 1
4 lower in the list is more reactive, that is, it will form positive ions more
easily, and will also displace a metal that is higher from a solution of the
latter metal.

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Which of the following combinations of metal and salt solutions would

result in a coating being formed?

(A)
(B)
(C)
(D)

10 The figure below shows the potential energy in Joules(J) of a ball at the top 1
5 of a platform and at its bottom. The platform has steps and also an incline as
shown. What can we say about the values of p, q, r and s, the potential
energies at P, Q, R and S?

(A) p = q = r = s = 50 J
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(B) r = s = 0J and q < p < 50J

(C) r < s < q < p < 50J
(D) s < r < q = p = 50J

10 Some hydrochloric acid has accidentally spilled on the laboratory counter. 1

6 Which of the following chemicals should the lab in-charge immediately use
to minimise the damage?
(A) Acetic acid
(B) Copper sulphate
(C) Sodium bicarbonate
(D) Manganese dioxide

10 An ion with 13 protons, 14 neutrons, and a charge of 3+ has an atomic 1

7 number of ____.
(A) 10
(B) 13
(C) 14
(D) 27

10 Though a non-conventional source of energy, the use of which of these is not 1

8 encouraged because of its high 'suspended particulate matter' (SPM)
emissions?
(A) Coal
(B) Cow dung
(C) Bio gas
(D) Solar cells

10 The cross section of a lake is shown below. Its surface is frozen. Which of 1
9 these statements is likely to be MOST accurate about the temperature at the
bottom of the lake?

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(A) It will definitely be 0oC or lower.

(B) It will definitely be 4oC or lower.
(C) It will definitely be 10oC or lower.
(D) It will definitely be 5oC or higher.

11 What is the MAIN CAUSE of death for fish in water bodies polluted by 1
0 fertilizers?
(A) decreased nutrition levels for algae
(B) decrease in oxygen levels
(C) increased water temperatures
(D) decrease in number of bacteria

11 If we drop a perfectly transparent piece of glass into perfectly clear water, 1

1 will we be able to see the glass?

(A) Yes, because the refractive indices of glass and water are different.
(B) Yes, because no refraction takes place at the glass surface.
(C) No, because both the water and the glass slab are transparent.
(D) No, because light will be reflected away from the water surface itself.

11 In the figure given of the human lungs, which arrow points to the 1
2 bronchioles?

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(A)
(B)
(C)
(D)

11 The Relative Heat Trapping capacity of a gas is a measure of the efficiency of 1

3 one molecule of that gas to trap infrared radiation compared to one
molecule of CO2.

The table alongside shows the relative heat trapping capacities of various
gases.

Vaishali has been told that carbon dioxide is the most important greenhouse
gas. After collecting the data given in the table she decides otherwise. Is she
correct in her judgement or should she investigate further?
(A) She is correct in her judgement - CO2 is not the most important
greenhouse gas.
(B) She needs to investigate the relative concentration of these gases in the
atmosphere.
(C) She needs to investigate the size of the molecules of each of the gases.
(D) She needs to investigate the processes through which each of these
gases is produced.

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11 1
4

Ann made a rain gauge by referring to an article, a part of which is

shown above. She even measured that it collected 150 cm3 of water
when it rained. However, because she couldn't get a 'straight-sided
container' as instructed, she used a regular glass as shown. Can she
calculate the rainfall that occurred?

(A) No, because she did not use a straight-sided container.

(B) Yes, it is 150cm3 - the same that she would have got with a straight-sided
container.
(C) Yes, it is 150cm3 divided by the cross-sectional area at the top of the
glass used.
(D) Yes, it is 150cm3 divided by the average cross-sectional area of the glass
used.

11 The figure below shows three identical ramps and three balls of masses m, 1
5 2m and 3m. The angle of inclination is 15 degrees and the ramp is about 2 m
long. Which ball will have the maximum speed at the end of the ramp?

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(A) Ball of mass m

(B) Ball of mass 2m
(C) Ball of mass 3m
(D) All will have the same speed

11 Rani is turning the back wheel of a stationary cycle. The graph of the sound 1
6 produced is shown in Graph 1.

Rani now starts turning the pedal faster. How will the graph of the sound
produced change?

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(A)

(B)

(C)

(D)

11 The four figures here all have the same height and are all of uniform density. 1
7 Which one will have the lowest centre of gravity?

(A)

(B)

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(C)

(D)

11 Certain sound waves produce a particularly pleasant sensation to the 1

8 listener's ear, are said to be consonant. Such sound waves form the basis of
intervals in music.
The table here lists the intervals and their frequency ratios.

Which of these could be the frequency of a note that is separated by an

octave from 200 Hz?
(A) 100 Hz
(B) 150 Hz
(C) 300 Hz
(D) 350 Hz

11 Aditya did the following experiment. He took 2 green bananas in a polythene 1

9 cover and kept them aside on a shelf. Then he took 2 more green bananas
from the same bunch of fruits, and an apple, and put them in an identical
polythene cover and kept them on the same shelf.

He left both polythene covers undisturbed for two days.

What was the hypothesis that Aditya was probably trying to check?
(A) In nature bananas ripen completely in about 2 days.
(B) Apples increase the speed at which bananas ripen.
(C) Bananas increase the speed at which apples ripen.
(D) Polythene increases the speed at which apples ripen.

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12 In 1911, the physicist Ernest Rutherford discovered that atoms have tiny, 1
0 dense nucleii by shooting positively charged particles at a very thin gold foil.

Which physical property of gold was used by Rutherford in his gold leaf
experiment?
(A) non corrosive
(B) highly malleable
(C) highly ductile
(D) non reactive

12 Cindy is doing an experiment to check how the extension caused by the 1

1 force F on a spring is related to the size of the force. She sets up an
experiment apparatus as shown in the figure on the left. She then applies
different forces as shown in the figure on the right.

For any given force F, which distance must she measure to get the extension
'e' caused by the force?
(A) P to Q
(B) Q to R
(C) P to S
(D) Q to S

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12 Which option correctly matches the data in the table to the graph. 1
2

(A)
(B)
(C)
(D)

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12 In the figure, a sheet of paper from a notebook is placed as shown. If air is 1

3 then blown below the paper, what will happen and why?

(A) The paper will fly off because of the pressure of air below being higher
than atmospheric pressure
(B) The paper moves up and then back down due to an initial rise in the air
pressure below.
(C) The paper remains as it is because the pressure from below balances the
atmospheric pressure.
(D) The paper bends down because the atmospheric pressure is more than
the pressure under the paper

12 Isomers are molecules that have the same molecular formula, but a different 1
4 arrangement of the atoms in space. That excludes any different
arrangements which are simply due to the molecule rotating as a whole, or
rotating about particular bonds.

Which of the following sets of molecules represents isomers?

(A)

(B)

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(C)

(D)

12 Which of these would happen if the tilt of the Earth's axis increased to about 1
5 27 degrees, (and nothing else changed)?
(A) There would be no difference at all.
(B) Summers will be hotter and winters, colder.
(C) Seasons will be the same throughout the world.
(D) The duration of summers would increase.

12 Identify what this x-ray is depicting. 1

6

(A) normal shoulder and fore-arm

(B) freshly fractured fore-arm
(C) plate and screws on fractured fore-arm
(D) diseased fore-arm with abnormal growth

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12 A small cube is fixed to the corner of a large cube as shown here. 1

7

From which of the directions (indicated by the arrows above) would the
view of the object be as shown below?

(A) Only 1
(B) 4 and 6
(C) 3 and 5
(D) Only 2

12 Which of the following protects the ANIMAL cell from the outside 1
8 environment?
(A) Cell wall
(B) Plasma membrane
(C) Nuclear membrane
(D) Cytoplasm

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12 Which of these objects would weigh approximately 1 Newton? 1

9 (A) A student of Class 4
(B) A 5 rupee coin
(C) A small sized apple
(D) 500 gram of butter

13 Study the reaction given below. 1

0
PQ + XY → XQ + PY
(P, Q, X and Y are atoms of different elements.)

A reaction like this is a/an ________________.

(A) neutralisation reaction
(B) double displacement reaction
(C) oxidation reaction
(D) reduction reaction

13 According to the laws of reflection, the incident angle is always equal to the 1
1 reflected angle. Both the incident angle and reflected angle are measured
from the normal. Does this law hold for curved mirrors also (see the figure
below)?

(A) No - the law is applicable only to plane mirrors, as curved mirrors do not
have a normal.
(B) Partly - the law is applicable to concave mirrors but not for convex
mirrors.
(C) Yes, it does - the normal is the line connecting the point of incidence to
the centre of curvature.
(D) No - curved mirrors have different laws of reflection like focal length =
0.5 × radius of curvature.

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13 The following four tests can be used to detect the presence of protein, 1
2 starch, sugar and cream in liquid foods. Which of these tests should be
NEGATIVE for a sample of milk to be pure?

(A)
(B)
(C)
(D)

13 The figure below shows a nail cutter. 1

3

In this there are two levers, 1 and 2, that together function as a nail cutter.
The three orders of levers are described below.

Which row best represents the orders of levers in the nail cutter?

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(A)
(B)
(C)
(D)

13 If P, Q, R, S and T represent atoms of elements, which among the following 1

4 are ISOTOPES of the same element?

(A) P and Q
(B) R and S
(C) R and T
(D) Q and T

13 ''Some of these have highly eccentric orbits which take them far beyond the 1
5 orbit of Pluto.'' Which of the following are being described?
(A) Asteroids
(B) Comets
(C) Meteorites
(D) Stars

13 In a leaf, chloroplast-containing cells are known to be the sites of 1

6 photosynthesis. In which part of the leaf are the majority of chloroplast-
bearing cells likely to be found?

(A) upper surface of the leaf

(B) lower surface of the leaf
(C) equally throughout the leaf

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(D) edges of the leaf

13 In a cinema theatre, why do we normally not hear echoes even though the 1
7 sounds are loud?
(A) Echoes are not created in closed places like cinema theatres - only in
large open spaces.
(B) The design of the theatre walls and the materials used reduce echo
significantly.
(C) There are special devices installed at certain places in theatres to absorb
the sound.
(D) Echoes do happen in cinema theatres, which is why we hear the sounds
more loudly.

13 Since sulphur in the free state is found at depths of more than 150 meters 1
8 below the Earth's surface, the method of extraction of sulphur differs from
other materials. The figure given below depicts this. In this process, super-
heated water and compressed air are passed underground through pipes.
Due to the pressure, liquid sulphur flows out of the pipe.

Which of the properties of sulphur, mentioned in the table above, are used in
its extraction?
(A) P and Q
(B) R and T
(C) S and W
(D) Q, S and W

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13 If the diamond given in figure below is seen from the top, which of the 1
9 following figures would be seen?

(A)

(B)

(C)

(D)

14 Red, Green and Blue coloured lights can be mixed in different proportions to 1
0 obtain other colours. For example,

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Red + Green = Yellow

Green + Blue = Cyan
Red + Blue = Magenta

A car accident occurred in the night in a street lit by sodium vapour lamps. A
witness faithfully reported the colours of the car as he saw them, at the
police station. The actual colours of the cars involved in accident were green
and blue respectively. Which of the following options would have been the
witness's report of the colour of the cars?

(A)
(B)
(C)
(D)

14 A hydrocarbon is burnt in air completely. What are the products obtained? 1

1 (A) Carbon dioxide + water
(B) Carbon monoxide + water
(C) Carbon black + water
(D) Graphite + water

14 A block is at rest on an inclined surface. What is the force that prevents the 1
2 body from slipping down the slope?
(A) The frictional force
(B) The gravitational force
(C) The weight of the body
(D) The reaction force

14 Given below is a diagrammatic representation of an electromagnet. The 1

3 strength of the magnetic field between the poles of the electromagnet would
be UNCHANGED if the

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(A) material of the core was changed

(B) number of turns of the coils was halved
(C) distance between the poles was doubled
(D) direction of current in the electromagnet was reversed

14 The figure shows the four different routes that can be taken to reach point Q 1
4 from point P crossing land and water. Speed on land is 3 times more than
the speed on water. Which route would enable a traveller to reach Q fastest?

(A) PRQ
(B) PSQ
(C) PTQ
(D) PWQ

14 Which phase change at standard temperature and pressure represents 1

5 sublimation?
(A) CO2(s) → CO2(g)
(B) H2O(l) → H2O(g)
(C) CO2(l) → CO2(g)
(D) H2O(s) → H2O(l)

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14 The general formula of an alcohol is CnH2n+1OH. Which of the following could 1

6 be the molecular formula of an alcohol?
(A) C4H8O
(B) C3H7O2
(C) C3H8O
(D) C4H10O2

14 Which of these MUST happen when heat is gained by a body? 1

7 (A) The temperature of the body must increase.
(B) The total energy content of the body must increase.
(C) The physical state of the body must change.
(D) The total mass of the body must increase.

14 The extract shown below from a booklet describes the preventive measures 1
8 for a common disease. Which disease?

(A) chicken pox

(B) diarrhoea
(C) diphtheria
(D) measles

14 The potential energy of a body is given by the equation 1

9
PE = mass of the body × acceleration due to gravity × height at which the
body is placed

A ball is dropped from a height of 5 metres. Which of these graphs correctly

shows the ball's potential energy at different heights?

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(A)

(B)

(C)

(D)

15 If a paper strip is tightly wound around an iron nail and heated in a candle 1
0 flame for a few seconds, the paper strip does NOT burn. What could be the
reason for this?

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(A) The temperature of the flame is far below the ignition temperature of
the paper.
(B) The nail conducts the heat away, keeping the paper below its ignition
temperature.
(C) Paper is a good conductor and cannot burn in the presence of a good
heat conductor.
(D) The melting point of the nail is lower than the ignition temperature of
the paper.

15 An object is being acted by two forces as shown in the figure, and no other. 1
1

Which of the following statements is TRUE about the body?

(A) The body is in motion in the horizontal direction.
(B) The body cannot be moving.
(C) The body is accelerating in the vertical direction.
(D) The body cannot be accelerating in any direction.

15 Which of these maps is better to use if we want to get a rough estimate of 1

2 how far Alaska (a state in north-western USA) is, from Japan?

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(A) Map P is better.

(B) Map Q is better.
(C) Maps P and Q are equally good.
(D) Neither map P nor Q may be used.

15 1
3

All the above steps aim at

(A) reducing global warming
(B) reducing green coverage
(C) increasing power supply
(D) reducing the ozone layer

15 Outer surfaces of some cells are folded into finger-like projections as shown 1
4 in the figure here.

Which of the following could be the function of such folded surfaces?

(A) to increase the energy production in the cell
(B) to increase the rate of cell division of the cell
(C) to increase the absorption of nutrients by the cell
(D) to help the cell move about much more effectively

15 According to UFO investigators, this photograph was taken by the Solar and 1
5 Heliospheric Observatory (SOHO), a NASA satellite that was launched in
1996 to observe the Sun. The UFO investigators say that this flying object is
a spaceship from another planet. Which of the following is the scientific
conclusion we can derive from this?

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(A) The UFO investigators are lying because life does not exist on other
planets.
(B) This photograph proves that life exists on other planets.
(C) It is possible that what the investigators saw was as the result of unusual
weather.
(D) Any of the above may be true - we cannot be sure.

15 When a tuning fork P is vibrated, it leads to compressions and rarefactions 1

6 as shown in the figure below (in the order 1 to 7).

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A different tuning fork Q is also vibrating and its effect on the air is as shown
below:

Study the effects of the two tuning forks on the surrounding air carefully.

We can conclude from this, that

(A) the pitch of the sound produced may be same for P and Q.
(B) the frequency of the sound produced is higher for Q.
(C) tuning forks P and Q are made of different material.

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(D) the sound produced by P is louder than that produced by Q.

15 Till Fredrick Wohler synthesized urea in the laboratory, it was believed that 1
7 only living organisms could produce organic molecules. According to people
who believed this, which of these compounds could NOT be synthesized
from chemicals in a laboratory?
(A) Sugar
(B) Water
(C) Salt
(D) Hydrogen gas

15 A digital clock uses 4 LEDs similar to the one shown here to display the time. 1
8

However ONE OR MORE of the segments of the right-most LED is/are

damaged and NEVER light(s) up.

Ravi noticed these two times on the clock:

Right now the clock is showing:

One minute later, the clock could show:

(A)

(B)

(C)

(D)

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15 Compared to a chlorine atom, Cl, a chlorine ion, Cl-, will have ___________. 1
9 (A) one proton less
(B) one neutron more
(C) one electron more
(D) one neutron less and one proton less

16 To which of the cells shown below does the disease TETANUS belong? 1
0

(A)

(B)

(C)

(D)

16 Rama suspects that the LPG cylinder is leaking, and immediately turns the 1
1 cylinder valve to the OFF position. What should she do next?
(A) Switch on all lights.
(B) Switch off all lights.
(C) Open all the windows.
(D) Close all the windows.

16 See this sculpture of a man's face. Depending on the direction from which 1
2 light falls on it, the view changes. Given here is the view when the light falls
on it from the front.

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From which direction is the light falling in the case shown below?

(A)

(B)

(C)

(D)

16 Your task is to generate electricity through a chemical reaction. Which 1

3 among the following groups would you use?
(A) Magnet, Copper Wire, HCl, Test Tube
(B) Beaker, HCl, Zinc, Copper Strips
(C) Silk Material, Rubber Rod, Electroscope
(D) H2SO4, Graphite, Silicon, Graduated Cylinder

16 What are vitamins? 1

4 (A) Substances required in small amounts for normal body growth and
activity.

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(B) Substances that serve as a major energy source in the diets of animals.
(C) Complex biological molecules which are the 'building blocks of life'.
(D) Inorganic elements that are essential to the nutrition of animals and
plants.

16 We wish to test if a certain vaccine developed for a disease is effective or 1

5 not. What is the best way to do this?
(A) Vaccinate 100 animals and expose all 100 to the disease.
(B) Vaccinate 100 animals and expose 50 of them to the disease.
(C) Vaccinate 50 animals, do not vaccinate 50 other animals, and expose all
100 to the disease.
(D) Vaccinate 50 animals, do not vaccinate 50 other animals, and expose the
vaccinated animals to the disease.

16 A ball is thrown vertically upwards, and then caught again after 10 seconds. 1
6 Which of these graphs shows how its SPEED changes during its motion?

(A)

(B)

(C)

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(D)

16 See the representation of a park in the map below. 1

7

Which of these scenes may a visitor entering the park from the entrance
see?

(A)

(B)

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(C)

(D)

16 Which switches must be closed for the bulb to light up? 1

8

(A) (P or (Q and R)) and S

(B) (P or S) and (Q or R)
(C) (P and (Q or R)) or S
(D) (P and Q) or (P and S)

16 George is running towards the finish line in a race. The sun is casting his 1
9 shadow as shown. In which direction is George running?

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(A) definitely north-west

(B) either north-east or south-west
(C) definitely south-west
(D) it is not possible to tell from the given information

17 The figure below shows a potometer with its parts marked. Its functioning is 1
0 described below:

A shoot is held in place in the tube using a rubber stopper with a hole. A
bubble is introduced into the capillary. The position of the bubble is set at
the start of the experiment by turning the tap on the reservoir. The distance
the bubble travels in a given time is noted.
What does the potometer probably measure?
(A) Oxygen intake by a plant.
(B) Carbon dioxide intake by a plant.
(C) Water intake by a plant.
(D) Effect of water salinity on a plant.

17 Many modern tanks for water and liquid fuels are made spherical in nature. 1
1 What could be the reason behind this?

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(A) It is easier to build spherical tanks compared to tanks of other shapes.

(B) For a given surface area, spherical tanks enclose maximum volume.
(C) It is easier to transport spherical tanks when repairs, etc. are required.
(D) Liquids get preserved better when they are stored in spherical tanks.

17 People sometimes add salt to the water in which eggs are to be boiled. What 1
2 is the MAIN reason for this?

(A) Adding salt to the water before the egg is cooked makes the egg tastier.
(B) Adding salt to the water increases its boiling point and cooks the egg
better.
(C) Adding salt to the water reduces the water temperature cooking the egg
faster.
(D) Adding salt to the water kills micro organisms making the egg safer to
eat.

17 The Andaman Islands in the Bay of Bengal depend exclusively on rain for 1
3 their freshwater supply. Some of the hotels in the Andamans started using
seawater instead of fresh water for flushing toilets. This is an example of
(A) recycling of resources.
(B) conservation of resources.
(C) prevention of pollution.
(D) environmental planning.

17 The arrangement shown here consists of two pulleys of different diameters 1

4 which are welded together and mounted on a common shaft. If the system is
balanced as shown and there is no slippage, what can be said about the
weights P and Q?

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(A) P is heavier than Q.

(B) P and Q are of the same weight.
(C) P is lighter than Q.
(D) We cannot say anything for sure.

17 People who suffer from acidity are prescribed 'antacids' that often bring 1
5 them relief. Which of these could be the pH value of an antacid?
(A) 1
(B) 4
(C) 7
(D) 10

17 Read the following statements: 1

6 1. The mould may be producing a substance that kills the bacteria. 2. As the
black circular disk moved across the sun, the sky grew darker. 3. Hydrogen
gas will be released if a piece of Zinc is dropped in this liquid. 4. When 2
objects are dropped together, they will reach the ground at the same time.
Which row correctly identifies the statements above?

(A) A
(B) B
(C) C
(D) D

17 Have you noticed that when you see an object through a layer of hot air, it 1
7 appears distorted? The reason for this phenomenon is related to:

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(A) density of air.

(B) refraction of light.
(C) temperature of air.
(D) all of the above.

17 The table below describes some of the organelles visible in a particular cell 1
8 under a microscope.
Identify the type of organism to which this cell belongs.

(A) It is the cell of an animal.

(B) It is the cell of a plant.
(C) It is the cell of a bacterium.
(D) It is the cell of a virus.

17 Study this diagram that gives information about the brightness and 1
9 temperature of different types of stars.

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(Note that the temperature scale is reversed.)

What type of stars are WHITE DWARFS?
(A) Very hot, not very bright
(B) Very hot and very bright
(C) Not very hot, not very bright
(D) Not very hot but very bright

18 An ant and a stone are on a circular disc, which is rotating at a constant 1

0 speed. The stone is fixed to the disc. The ant is moving along the rim in the
opposite direction and with the same speed as that of the disc.

Which of these shows the position of the ant and the stone after the disc
completes 3/4th of a revolution?

(A)

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(B)

(C)

(D)

18 Both AIR CONDITIONERS and AIR COOLERS can be used to cool rooms. 1
1 What is the main difference in the effect they produce?
(A) They are basically the same, but air conditioners cool much more.
(B) Air conditioners control the humidity of the room also, unlike air
coolers.
(C) They are basically the same, but air conditioners are meant for light use
only.
(D) They are basically the same, but air coolers can be used only for a few
hours at a stretch.

18 The blood pressure in various arteries and veins in the body is not the same. 1
2 The pressure is higher in arteries closer to the heart and lower in veins
which are far away from the heart. This is shown in the graph here.

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Which of these statements is likely to be correct about these types of blood

vessels?
(A) Blood will flow out fastest if a LARGE VEIN is accidentally cut.
(B) LARGE ARTERIES will have the thickest and most muscular walls.
(C) When the blood leaves the heart, it first enters CAPILLARIES.
(D) A SMALL ARTERY is likely to get divided into many LARGE ARTERIES.

18 Which of these characteristics of water remains the same no matter what is 1

3 dissolved in it?
(H: Hydrogen, O: Oxygen)
(A) ratio of H to O in its molecule
(B) its refractive index
(C) ratio of H to O in the mixture
(D) its boiling point

18 The figure shows 5 heavy metal balls P, Q, R, S and T held by cords is such a 1
4 way that they are exactly touching each other. The first ball P is pulled away
as shown and then released so that it hits the ball Q. Which balls will move
IMMEDIATELY after this?

(A) Only P which will rebound back.

(B) P and Q will rebound back, S and T will move forward.
(C) Q, R, S and T will move forward.
(D) Only T will move forward.

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18 Which of these fuels will cause the least amount of Suspended Particulate 1
5 Matter (SPM) pollution when burned?
(A) Cow dung
(B) Coal
(C) Wood
(D) Natural gas

18 Sarathy wishes to investigate the effect of the type of light on a plant's 1

6 growth. He takes three identical potted plants and places one in the lawn,
one in a closed room containing a tubelight; and a third in a closed room
containing a bulb which gives yellow light. The bulb and tubelight are
always on. He waters the plants regularly and to the same extent.

Which of these could introduce error into the experiment results?

(A) The fact that the tubelight and bulb are never switched off.
(B) The fact that the light intensities are different in the three cases.
(C) The fact that the three plants were watered similarly.
(D) All of the above

18 Each element in the periodic table can appear in gaseous form and will 1
7 produce a series of spectral lines unique to that element. Thus, scientists can
identify what elements are in stars from the lines they find in the star's
spectrum. This type of study is called spectroscopy.

Given below are the spectral lines of four elements and also an unknown
gaseous mixture. Identify the elements in the unknown mixture.

(A) Lithium and sodium

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(B) Lithium and hydrogen

(C) Helium and hydrogen
(D) Helium and sodium

18 One of the purposes of HAIR in mammals is to keep them warm. How do 1

8 elephants and rhinos - which are not completely covered by hair - keep
themselves warm?
(A) They have a layer of fat instead of hair.
(B) They move around a lot which keeps them warm.
(C) They have hair underneath the skin which keeps them warm.
(D) They live in the tropics where the surrounding temperatures are not too
low.

18 According to the graph, which of these is the least soluble in water at 20oC? 1
9

(A) CaCl2
(B) KCl
(C) NaCl
(D) Li2SO4

19 The figure below shows the path taken by a ray of light as it reflects off a 1
0 smooth surface. Which of these is true?

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(A) ∠ABE = ∠ABC

(B) The path A --> B --> C is the shortest path connecting A to C and touching
DE.
(C) B will always be the mid point of DE.
(D) If DE (the mirror) is rotated around B, the ray would still reflect along
BC.

19 Figure P below shows a beaker of water being heated directly. However, 1

1 some liquids like alcohol are heated using a water bath (figure Q). Which of
these is NOT likely to be a reason for water baths to be used?

(A) It is safer to use them with inflammable liquids.

(B) It allows more uniform heating of the liquid.
(C) It is a faster way of heating a liquid.
(D) It is convenient for liquids with low boiling points.

19 A ray of white light is passed through two filters - a Cyan Filter and a 1
2 Magenta Filter.
(A cyan filter is one which allows only cyan coloured light to pass through).
White = Red + Green + Blue
Cyan = Green + Blue
Magenta = Red + Blue

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Which colour light will be seen by the observer?

(A) green
(B) blue
(C) yellow
(D) black: no light is seen

19 Matter may be classified as elements, compounds, or mixtures. Which of the 1

3 following lists includes only mixtures?
(A) dry ice, alcohol, brass
(B) sea water, milk, air
(C) copper, gasoline, bread
(D) paint, blood, mercury

19 The diagrammatic representation of the sound wave given out by a siren of a 1

4 security vehicle is shown below when the vehicle is STATIONARY, MOVING
SLOWLY and MOVING FAST.

As the vehicle APPROACHES an observer, in which of these ways will the

sound heard change?
(A) Its volume will decrease.
(B) Its pitch will increase.
(C) Its frequency will decrease.
(D) There will be no change in the sound heard.

19 Which naturally occurring gas is a pollutant ONLY when at the ground level 1
5 of the atmosphere?

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(A) sulphur dioxide

(B) ozone
(C) carbon monoxide
(D) chlorofluorocarbons

19 The figure shows parallel rays in air diverging after passing through a glass 1
6 object. Which of the following objects could it be?

(A) convex lens

(B) glass slab
(C) concave lens
(D) convex mirror

19 An oxide ion (O2-) formed from an Oxygen–18 atom contains exactly 1

7 (A) 8 electrons, 8 protons, 10 neutrons
(B) 10 electrons, 8 protons, 10 neutrons
(C) 8 electrons, 10 protons, 8 neutrons
(D) 6 electrons, 6 protons, 12 neutrons

19 The constellation Great Bear is shown. As seen from the earth, in how much 1
8 time does the shape of this constellation change?

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(A) It would never ever change.

(B) It changes from day to day.
(C) It would change over a few million years.
(D) It changes over a few decades.

19 A battery is connected by wires to a bulb as shown below, and the bulb 1

9 glows.

Through which points does charge flow?

(A) 1-2-3-4-1. Charge flows through the battery and bulb also.
(B) 1-2-3-4. Charge flows through the wires and the bulb only.
(C) 3-4-1-2. Charge flows through the wires and the battery only.
(D) There is no flow of charge in the circuit.

20 Three balls are thrown from the top of cliff along paths P, Q and R. If their 1
0 initial speeds are the same and there is no air resistance, under what
conditions will the balls strike the ground below with the same speed?

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(A) This will happen if the mass of each ball is the same.
(B) This will happen if the distance travelled by each ball is the same.
(C) (This cannot happen unless the paths of the balls are identical.)
(D) (This will always happen - no additional condition is required.)

20 By studying the symbol/formula of these substances, identify the one that 1

1 cannot be decomposed by a chemical reaction?
(A) Ti
(B) HF
(C) N2O
(D) H2O

20 Which of these processes removes carbon dioxide from a person's body? 1

2 (A) diffusion
(B) inhalation
(C) exhalation
(D) sweating

20 In the map below, places P, Q, R and S are at the same longitude and T, U, V 1
3 and W are at the same longitude. Also P and T are at the same latitude, and
so are Q and U, etc. Which pair of places at the same latitude is closest to
each other?

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(A) P and T
(B) Q and U
(C) S and W
(D) Each pair of places is at the same distance from each other.

20 To separate various components of AIR, the principle that the different 1

4 gases have different _____ can be used.
(A) boiling points
(B) colours
(C) odours
(D) chemical properties

The table below gives the solubility of a few metal salts in water. Answer the
question with the information given in the table.

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20 All salts of the metal _______ will be soluble in water. 1

5 (A) potassium
(B) calcium
(C) silver
(D) lead

20 Assume that all the following reactions proceed in the forward direction. 1
6 Which of them is MOST likely to produce a precipitate?
(A) sodium hydrogen carbonate (when heated) -->
(B) barium chloride + sulphuric acid -->
(C) magnesium + hydrochloric acid -->
(D) ammonium hydroxide + nitric acid -->

20 A magnetic compass will continue to indicate directions correctly even if 1

7 which of the following is brought near it?
(A) a magnet
(B) a magnetic material
(C) another compass
(D) a non-magnetic metal

20 A broom with a long handle balances at its centre of gravity as shown in the 1
8 figure. If you cut the broom into two parts through the centre of gravity and
then weigh each part, which part will weigh more?

(A) The part with the broom will weigh more.

(B) The part without the broom will weigh more.
(C) Both the parts will weigh the same.
(D) It would depend on the weight of the broom.

20 The processes of photosynthesis and respiration occur in plants. Which of 1

9 the following pictures is a correct representation of gas exchange in the DAY
OR NIGHT as indicated?

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(A)

(B)

(C)

(D)

21 Which of these is a MIXTURE? (Assume that all the substances being 1

0 considered are PURE.)
(A) dry ice
(B) distilled water
(C) chalk powder
(D) soda water

21 Each lever has a unique application. Study the figure of a pair of tweezers. 1
1 Why would a lever of this order be used?

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(A) The force (effort) needs to be increased.

(B) The force (effort) needs to be controlled.
(C) The load lifted has to be increased.
(D) The work done has to be decreased.

21 Radioactivity is the spontaneous disintegration of atomic nuclei. Answer the 1

2 question using the given equation. What is the particle 'X'?

(A) 4 neutrons
(B) 2 protons
(C) 2 neutrons and 2 protons
(D) 2 neutrons and 2 electrons

21 If electricity is passed through a tungsten filament kept in air, it gets 1

3 oxidised and does not glow like in a bulb. However, electric bulbs normally
contain inert gases and not a vacuum. Which of these could be A reason?
(A) The inert gases react with tungsten causing a brighter glow.
(B) Electricity cannot be conducted by tungsten kept in a vacuum.
(C) When heated, tungsten atoms would escape more easily in a vacuum.
(D) Gases like oxygen are easily evacuated but not the inert gases.

21 When the ball at the end of the string swings to its lowest point, the string is 1
4 cut by a sharp knife as shown. Assuming no air resistance, what will be the

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path of the ball?

(A)
(B)
(C)
(D)

21 Incoming solar radiation is the radiation coming from the sun. Outgoing 1
5 solar radiation is the radiation reflected from the Earth's surface. The graph
given below shows the level of radiation at different times of the day. Which
of these conclusions can be drawn from this graph?

(A) The incoming and the outgoing radiations peak at about the same time.
(B) The outgoing radiation reaches its minimum around dawn.
(C) The incoming solar radiation is minimum at noon.
(D) The variation in the two radiations is identical except for a lag.

21 Which of the following lists contains all renewable sources of energy? 1

6 (A) Oil, wind, coal
(B) Nuclear, natural gas, coal

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(C) Hydro, wind, biogas

(D) Geothermal, oil, solar

21 Which of the following Venn diagrams would BEST be suited to represent 1

7 the three categories of animals?

(A)

(B)

(C)

(D)

21 The acidity of soil (measured by its pH) indicates which nutrients are 1
8 present in the soil. This is shown in the figure below.

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Research has
shown that sunflower responds to the plant nutrients, N, P and K but it is not
very sensitive to soil pH. Which of these ranges of soil pH best provides
these nutrients to the sunflower plant?
(A) pH below 5
(B) pH between 5 and 7
(C) pH between 7.5 and 9
(D) pH above 9

21 If a person beats a drum on the earth, and an astronaut beats an identical 1

9 drum in space, what will be the differences in the effects?
(A) There will be no vibrations in the drum in space.
(B) There will be vibrations in space but no sound.
(C) The drum on earth will vibrate for a longer time than the one in space.
(D) There will be no difference in terms of the vibrations or sound.

22 See the side view of an aquarium shown. A fish is swimming in it. Joseph 1
0 wants to point to the fish using a laser pointer from above. (A laser pointer
shoots out a sharp, narrow light beam). What should be the orientation of
the laser pointer?

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(A) A
(B) B
(C) C
(D) D

22 Every object exerts gravitational force on every other object - the force 1
1 exerted by an object is higher if its mass is higher. Consider 2 magnets - a
bigger magnet P and a smaller one Q. Which of the following will be true?
(A) Magnet P will exert a greater magnetic force than Q.
(B) The magnetic forces exerted by P and Q will be the same.
(C) Magnet Q will exert a greater magnetic force than P.
(D) We cannot tell from the sizes as gravity and magnetism are unrelated.

22 It is found that different enzymes have different temperatures at which they 1

2 work best as shown in the graph. For example, the Enzyme 1 shown is found
in humans and is active at 37 degrees C, the human body temperature. What

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can we say about Enzyme 2?

(A) It is likely to be found in the stomach of human beings and to help in
digestion.
(B) It is likely to be found in a cold-blooded animal like fish or reptiles.
(C) It is likely to be found in a bacterium that survives at higher
temperatures.
(D) It is likely to be found in dogs whose body temperature is about 39
degrees C.

22 Aphelion: Point farthest from the sun in the orbit of a body about the sun 1
3 Perihelion: Point nearest from the sun in the orbit of a body about the sun
Though the earth's orbit around the sun is, strictly speaking, elliptical, it is
almost a circle. If the earth's perihelion is 147 million kilometers, what could
its aphelion be?
(A) About 2 times the perihelion, 300 million kilometers
(B) About 3 times the perihelion, 450 million kilometers
(C) Slightly more than the perihelion, about 155 million kilometers
(D) Exactly the same as the perihelion, 147 million kilometres

22 To compare the hearing capacities of 5 of his friends, Ravi designs a simple 1

4 experiment. He places a CD player at the end of a long hall containing a CD
with 5 well-known songs. One by one each person hears the same 5 songs he
plays softly but at a pre-determined volume. Each person starts at a distance
of 1 metre from the player and moves away from it. The distance at which a
person says that he cannot hear the song any more, is noted. Others are not
in the room when 1 person is hearing the songs. Which of these steps may
increase the reliability of the results obtained?
(A) having each person listen to just 1 song instead of 5
(B) allowing all people to stay in the room for the entire experiment
(C) having each person start from far and walk towards the CD player
(D) varying the volume for the different songs being played

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22 Sridhar has made a model lung using a plastic bottle, straws and balloons. In 1
5 the resting state when the elastic membrane is not stretched, it looks as
follows:

Which of the following diagrams correctly represents the functioning of

lungs?

(A)

(B)

(C)

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(D)

22 Which of the following is the MOST important reason for CNG to be 1

6 promoted as a fuel for automobiles?
(A) it does not emit carbon dioxide
(B) it undergoes almost complete combustion
(C) it is a renewable source of energy
(D) it satisfies all the conditions A, B and C

22 When can we be SURE that letters X, Y and Z represent the same element? 1
7

(A) When the number of electrons are the same in each of X, Y and Z.
(B) When the number of neutrons are the same in each of X, Y and Z.
(C) When the number of protons are the same in each of X, Y and Z.
(D) X, Y and Z can never represent the same element.

22 Which of these would require an element that has a fairly high electrical 1
8 resistance, high melting point and is extremely ductile?
(A) electromagnets
(B) electrical wires
(C) electrical filaments
(D) electrical switches

22 Most plants store the excess food they manufacture as starch. If the leaves of 1
9 a plant are tested, they are found to contain starch. But if a plant is kept in
the dark for a long time, the leaves contain almost no starch. This probably
happens because, in the dark____________________
(A) neither does photosynthesis occur, nor is starch used.

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(B) photosynthesis does not occur, but starch is used.

(C) photosynthesis occurs, but starch is not used.
(D) (The observation is incorrect as leaves always contain starch.)

23 A battery is connected by wires to a bulb as shown below, and the bulb 1

0 glows.

If the terminals of the BATTERY are now interchanged, what will happen?
(A) The bulb will still glow in the same way.
(B) The bulb will glow, but either much dimmer or brighter.
(C) The bulb will glow only if its terminals are also interchanged.
(D) The bulb will not glow.

23 Akshaya takes papers P and Q, which are exactly the same. She 1
1 crumples P as shown in the figure. Akshaya then simultaneously drops
P and Q from the first floor of her house. P falls faster than Q because
crumpling the paper makes P___________.

(A)
heavier than Q

(B)
face less air resistance than Q

(C)
store more energy than Q

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(D)
have less density but more mass than Q

23 In Space, there are extreme variations in temperature. In direct sunlight, the 1

2 temperatures can be as high as 120° Celsius, while in the shade, they can be
as low as -100° Celsius. Which of these could be the reason that such
extreme differences are not present normally on the Earth's surface?
(A) The Earth is inhabited by human beings who cannot tolerate extreme
conditions.
(B) The Earth's atmosphere helps distribute heat across different regions.
(C) The Earth is largely covered with water, which provides a cooling effect.
(D) The Earth is rotating on its axis, which prevents continuous direct
sunlight.

23 Some organisms reproduce sexually while others reproduce asexually. 1

3 Which of these is usually true for organisms that reproduce asexually and
NOT true for organisms that reproduce sexually?
(A) They never have a nucleus in their cells.
(B) They are almost exactly like their parents.
(C) They can only be plants and not animals.
(D) They grow up to have a large size.

23 When we are swimming in water, _____________________ 1

4
(A) we feel lighter because our mass decreases.
(B) we feel lighter because the water exerts an upward force on us.
(C) we feel heavier because the water exerts a downward force on us.
(D) we do not feel any change in our weight because there is no new force.

23 In a shoe, the laces pass through a set of holes in a regular crisscross manner 1
5 in order to easily tighten the shoe. Each hole helps change the direction of
the lace thereby making it easier to tighten the flaps. What simple machine
does this mechanism use?

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(A) levers
(B) fixed pulleys
(C) inclined planes
(D) screws

23 The figure here shows the position of a runner at one-second intervals as he 1

6 moves from left to right. Which of the following graphs will BEST represent
the motion of the runner in the figure?

(A)

(B)

(C)

(D)

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23 Why is it hotter in summer than winter? 1

7 1. The earth is closer to the Sun in summer.
2. More sunlight is concentrated in any given area in summer.
3. Ocean currents carry warm water to the shores in summer.
4. The day is longer, so the Sun gets more time to heat the earth in summer.

(A) 1 only
(B) 1 and 4 only
(C) 2 and 4 only
(D) 2, 3 and 4 only

23 A person touches a metal plate with his left hand and a book with his right 1
8 hand and feels that both are equally hot or cold. Which of the following
COULD be the room temperature?

(A) 7o C
(B) 22o C
(C) 37o C
(D) 42o C

23 If white light strikes an object, the colour of the shadow is black. What will 1
9 be the colour of the shadow formed if red light strikes the same object?

(A) red
(B) black
(C) white
(D) green

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24 Which of the following provides energy for the activities of the cell? 1
0 (A) chloroplasts
(B) mitochondria
(C) vacuoles
(D) cilia

24 C5H12, pentane, is a liquid at room temperature. 1

1
Can we predict from this information whether C4H10, butane, will be a liquid
at room temperature?
(A) Yes, it will be a liquid since pentane is a liquid.
(B) Yes, it will be a liquid since it contains 4 carbon atoms.
(C) We cannot be sure unless we find out its boiling point.
(D) We cannot be sure unless we get the boiling point of propane, C3H8.

24 The atmospheric pressure at sea level is 1000 millibar. If the pressure at a 1

2 place is 330 millibar and the average temperature is minus 9° Celsius, which
of the following places could it be?
(A) inside a vegetable cold storage in New Delhi
(B) on the top of a hill in the Western Ghats
(C) on a beach in Goa
(D) on the top of Mount Everest

24 Which of the following may be NEAREST to the weight of a car? (HINT: Try 1
3 to think how many people may balance the weight of one car!)
(A) 100 kg
(B) 1000 kg
(C) 10000 kg
(D) 100000 kg

24 Which of the following MUST be the same before and after a chemical 1
4 reaction?
1. The total mass of the reactants and total mass of the products.
2. The number of molecules of each substance involved in the chemical
reaction.
3. The number of atoms of each element involved in the chemical reaction.

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(A) 1, 2 and 3. All of them must be the same.

(B) 1 and 3 only must be the same
(C) 2 and 3 only must be the same
(D) Only 3 must be the same

24 Potatoes are cut into many pieces, making sure that each part has at least 1
5 one eye (bud). Each piece of potato will usually grow into a new potato
plant. Will a new potato plant grow, if the eye (bud) alone is removed and
planted?

(A)
Yes, a full new potato plant can grow from it.

(B)
Yes, but the new plant will take a slightly longer time to germinate.

(C) No, a new potato plant will not grow because the food needed for
germination comes from the potato piece.
(D)
No, a new potato plant will not grow because the leaves emerge only from
the potato piece.

24 Given here are some diseases with their causative agent and mode of spread. 1
6

In the diagram below Circle P represents diseases that spread through air
and Circle Q represents diseases that are caused by viruses. In the region R,
the region of intersection of circles P and Q, which of the following can be
placed?

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(A) cholera
(B) hepatitis B
(C) tuberculosis
(D) chicken pox

24 The table below indicates the part of the body where each type of food stuff 1
7 eaten by us gets digested. Where does MOST of this food item get digested?

(A) in the small intestine

(B) in the mouth and the small intestine
(C) in the stomach and the small intestine
(D) It does not get digested.

24 The rapid spread of Parthenium has made it a serious agricultural weed in 1

8 some areas of India. The plant is a native of Mexico, Central and South
America. Which of the following is the MOST likely process by which this
weed has come to India?
(A) By wild animals eating the plant and dispersal of seeds through their
faeces.
(B) By the seeds of the plant being transported through the waterways and
finally reaching India.
(C) By the seeds of the plant being mixed with cereal grain imported from

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foreign countries.
(D) By the wind transporting the seeds of these plants to India.

24 They are free living. 1

9 They can be parasites, saprophytes or autotrophs.
They do not have well-organised nucleus.

Which of the following organisms is being described?

(A)
virus

(B)
bacteria

(C)
protozoa

(D)
(No organism can have all these characteristics.)

25 The simple series circuit consists of three identical bulbs 1, 2 and 3 1

0 connected to a battery. As shown in Fig X, all the bulbs glow with equal
brightness.

Which of the following happens when a wire is connected between points P

and Q (as shown in Fig Y)?

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(A)
Bulb 2 fuses and stops glowing. Bulbs 1 and 3 glow with greater brightness.

(B)
Bulb 2 stops glowing. Bulbs 1 and 3 glow with greater brightness.

(C) All the three bulbs glow but with reduced brightness.
(D)
No change takes place. All the three bulbs glow without any change in the
brightness.

25 A satellite's orbit is fixed at a height of 35,970 km. At this height, the satellite 1
1 is able to continuously look at the same part of the Earth even as it moves.
Which of these would be true at this height?

(A)
Signals from the Earth need not be amplified for transmission.

(B) The satellite will always be shielded from the Sun by the Earth.
(C) The orbital period of the satellite would be equal to 24 hours.
(D) Photographs of the entire Earth can be taken from that height.

25 At its most basic level, this is all the body of a camera is -- a sealed box with a 1
2 shutter that opens and closes between the lens and film.

The shutter can be adjusted as per the surrounding light condition. Shown
here are different arrangements of a shutter.

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Which of the following parts of the eye functions in a similar way to the
shutter?

(A) A
(B) B
(C) C
(D) D

25 The diagram represents a mixture of nitrogen and hydrogen molecules in a 1

3 closed container. (Assume that the number of atoms/molecules is exactly
what is shown in the diagram)

Which diagram shows the results after the mixture reacts as

completely as possible according to the equation: N2 + 3H2 -> 2NH3

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(A)

(B)

(C)

(D)

25 Raksha, Ramya, Sheena and Sulabha are trying to compost different 1

4 materials. Here are the experiments they are trying.
Raksha takes a big box and puts in a lot of house hold waste like glass bottles
and metal parts. She adds a small quantity of soil and a few earthworms and
closes the box.
Ramya takes a similar box and puts in only kitchen waste. She adds a small
quantity of soil and closes the box.
Sheena digs a pit and puts in a lot of farm wastes with soil. She adds a few
earthworms and closes the pit.
Sulabha digs a similar pit puts in a lot of farm wastes with soil. She then closes
the pit.
They want to check and find out, whether earthworms make a difference to
the speed at which composting takes place. For this, which two experiments
should be compared?

(A) experiments done by Raksha and Ramya

(B) experiments done by Sheena and Sulabha
(C) experiments done by Raksha and Sheena
(D) experiments done by Sulabha and Raksha

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25 Shreyas wanted to check whether the Time Period of a simple pendulum 1

5 was dependent on the amplitude. He takes a simple pendulum and sets it
to it oscillate by releasing the bob from a point as shown in the figure. He
notes the time taken for 20 such oscillations and gets the Time Period. After
this, which of the following should he do to correctly test his hypothesis?

(A) change the length of the pendulum

(B) change the mass of the bob of the pendulum
(C) change the distance from which the bob of the pendulum is released
(D) keep the same simple pendulum but change the location of the
experiment

25 The pictures shown here are SEALS used by the Indus Valley civilization and 1
6 were found in Lothal. The size of the seals shown here varies from:

(A) 1 mm to 10 mm.

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(B) 4 mm to 7 mm.
(C) 4 cm to 7 cm.
(D) 1 cm to 10 cm.

25 One of the purposes of HAIR in mammals is to keep them warm. How do 1

7 elephants and rhinos - which are not completely covered by hair - keep
themselves warm?
(A) They have a layer of fat instead of hair.
(B) They move around a lot which keeps them warm.
(C) They have hair underneath the skin which keeps them warm.
(D) They live in the tropics where the surrounding temperatures are not too
low.

25 The unit of distance is metres. The unit of time is seconds. Hence the speed 1
8 of a person who walks 100 metres in 50 seconds is 100m divided by 50
seconds which is 2 m/s or 2 metres per second.
To find out the speed of gas moving through a large gas pipeline, an oil
company measures that 10 kg of gas flows every 10 seconds. The mass flow
rate is obtained by dividing the distance covered by the time taken to cover
it. Then, the mass flow rate in the pipeline is 1 _______.
(A) m/s
(B) kg/s
(C) Kg/m
(D) s/kg

25 Matter may be classified as elements, compounds, or mixtures. Which of the 1

9 following lists includes only mixtures?
(A) dry ice, alcohol, brass
(B) sea water, milk, air
(C) copper, gasoline, bread
(D) paint, blood, mercury

26 The blood pressure in the different arteries and veins in the body is not the 1
0 same. The pressure is higher in arteries closer to the heart and lower in
veins which are far away from the heart. This is shown in the graph below.

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Which of these statements is likely to be correct about these types of blood

vessels?
(A) Blood will flow out fastest if a LARGE VEIN is accidentally cut.
(B) LARGE ARTERIES will have the thickest and most muscular walls.
(C) When the blood leaves the heart, it first enters CAPILLARIES.
(D) A SMALL ARTERY is likely to get divided into many LARGE ARTERIES.

26 Which of these correctly describes the electricity supply in Indian homes? 1

1 (A) 110 V, AC
(B) 220 V, DC
(C) 110 V, DC
(D) 220 V, AC

26 Given below is a list of household waste. The list has been put under 2 1
2 headings. One item in the list has been put under the WRONG heading.
Identify it.

(A) Glass bottle

(B) Leaves
(C) Polythene bags
(D) Tin cans

26 Many bones in the new born baby are soft and separate. They harden and 1
3 fuse as the child grows. A human adult has 206 bones. From this we can

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conclude that a baby must have:

(A) more than 206 bones.
(B) exactly 206 bones, but not the same as an adult.
(C) exactly 206 bones, the same as an adult.
(D) less than 206 bones.

26 The first four compounds in a chemical series are CH4 - C2H6 - C3H8 - C4H10. 1
4 Identify the fifth.
(A) C5H10
(B) C5H12
(C) C6H12
(D) C6H14

26 Blocks arranged like these are used to train robots to perform everyday 1
5 tasks, and test their recognition skills.

In the arrangement alongside, if a robot is instructed to 'bring the cuboid

having the same colour as the pyramid inside the open box', which block
should it bring?

(A)

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(B)

(C)

(D)

26 The real image formed by a convex lens is always upside down. See the 1
6 figure below showing how the eye lens should form images.

Why do we not see upside-down in that case?

(A) Only glass lenses form upside-down images, not the eye lens.
(B) The image is upside-down, but the brain interprets it correctly.
(C) There is another small lens before the image that again inverts the
image.
(D) We do see upside down, everything is actually inverted in real life.

26 Study the graph showing the solubility of a number of salts in water at 1

7 different temperatures.

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At about what temperature do RbCl and NaNO3 have the same solubility?
(A) 0 oC
(B) 35 oC
(C) 95 oC
(D) 100 oC

26 Atoms consist of electrons, protons and neutrons. Isotopes of an element 1

8 show similar chemical properties, but have different atomic weights. Thus
they are likely to have:
(A) same number of electrons, protons and neutrons.
(B) same number of electrons and neutrons; different number of protons.
(C) same number of neutrons and protons; different number of electrons.
(D) same number of electrons and protons; different number of neutrons.

26 According to a recent newspaper report, environmentalists are fighting for 1

9 use of diesel having lower sulphur content. Why?
(A) Manufacture of sulphur is a highly polluting process.
(B) SO2 in the exhaust of these vehicles is a major air pollutant.
(C) Diesel having sulphur harms the engine and the driver's health.
(D) Sulphuric acid is produced in the engine of these vehicles.

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27 A piece of zinc (Zn) - a reactive metal - was dropped into a test tube 1
0 containing hydrochloric acid (HCl). The bubbling in the tube indicated that a
gas was released. The gas could be which of these?
(A) Hydrogen (H2)
(B) Oxygen (O2)
(C) Methane (CH4)
(D) Carbon dioxide (CO2)

27 A maximum of 16.8 g of compound X can be dissolved in 100 ml of water. In 1

1 an experiment, different masses of X were added to separate beakers
containing varying volumes of water as shown.

Arrange these solutions in the DESCENDING order of concentrations.

(A) 4-1-2-3
(B) 4-2-1-3
(C) 1-4-3-2
(D) 1-3-2-4

27 Many modern tanks for water and liquid fuels are made spherical in nature. 1
2 What could be the reason behind this?
(A) It is easier to build spherical tanks compared to tanks of other shapes.
(B) For a given surface area, spherical tanks enclose maximum volume.
(C) It is easier to transport spherical tanks when repairs, etc. are required.
(D) Liquids get preserved better when they are stored in spherical tanks.

27 Viruses are responsible for causing many diseases. Among the following, 1
3 which is NOT true about viruses?
(A) They can only multiply inside another host organism.
(B) They are not visible to the naked eye.
(C) They belong to the amoeba family.
(D) They exhibit a variety of structures.

27 CHLOROPHYLL in the leaf of the plant is responsible for utilization of 1

4 sunlight in the process of photosynthesis. The part of the spectrum required

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for photosynthesis is ABSORBED by chlorophyll. Which colour(s) of the

spectrum does chlorophyll use during photosynthesis?
(A) All the colours
(B) Only the green colour
(C) Mainly the non-green colours
(D) Only the infra-red part

27 A ball is thrown vertically upwards, and then caught again after 10 seconds. 1
5 Which of these graphs shows how its SPEED changes during its motion?

(A)

(B)

(C)

(D)

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27 The contour map of a hilly region shown in the figure below does not show a 1
6 river that actually flows through it.

Which of these arrows could be representing the position and direction of

the river correctly?

(A)

(B)

(C)

(D)

27 If the earth (which is revolving around the sun in the direction shown) is at 1
7 P at 12:00:01 AM on January 1, 2000 a leap year, where will it be at 12:00:01
AM on January 1, 2001?

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(A) Exactly at the same position P.

(B) A little ahead of the position P.
(C) A little behind the position P.
(D) At the position Q shown.

27 Which of these is true about the temperature from the surface of the earth to 1
8 its core?
(A) The temperature RISES constantly from the surface to the core.
(B) The temperature FALLS constantly from the surface to the core.
(C) The temperature FALLS for about 20 kilometres and then RISES till the
core.
(D) The temperature RISES for about 20 kilometres and then FALLS till the
core.

27 Which of these does NOT use radio waves? 1

9 (A) FM radio
(B) Mobile telephone
(C) Television
(D) Camera

28 In the circuit given below, electricity will flow if there is a closed path from P 1
0 to Q. Switches S2 and S3 will not allow electricity to flow if either is open. In
which of these cases will current flow?

(A) S1 and S4 are open; others are closed.

(B) S2 and S4 are open; others are closed.
(C) S1 and S2 are open; others are closed.
(D) S3 and S4 are open; others are closed.

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28 The figure shows five Roman coins issued between 65 AD and 117 AD. Their 1
1 names are also shown alongside.

From the scale given, we can say that the diameter of the sestertius issued
by Nero was about:
(A) 2 cm
(B) 2.6 cm
(C) 3.2 cm
(D) 3.8 cm

28 Which of these is NOT a function of blood? 1

2 (A) To digest and absorb food.
(B) To protect against disease.
(C) To carry waste away from cells.
(D) To carry oxygen to cells.

28 The figure below shows the path taken by a ray of light as it reflects off a 1
3 smooth surface. Which of these is true?

(A) angle ABE = angle ABC

(B) The path A----> B----> C is the shortest path connecting A to C and
touching DE.
(C) B will always be the mid point of DE.
(D) If DE (the mirror) is rotated around B, the ray would still reflect along
BC.

28 Most television sets these days can be operated through a REMOTE 1

4 CONTROL. How do most 'remotes' communicate with TV sets?
(A) Using radio waves
(B) Using infra-red rays
(C) Using ultra-violet rays

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(D) Using microwaves

28 Mary took four pots having the same plants of the same age and applied 1
5 Fertilizers P and Q in the quantities shown. All the plants were kept
undisturbed in similar conditions near each other. The results after a few
days are also shown:

Which of these could explain the observations?

(A) Fertilizer P is more effective for the plant than Fertilizer Q.
(B) Fertilizer Q is more effective for the plant than Fertilizer P.
(C) In smaller quantities Fertilizer P is more effective; in larger quantities,
Fertilizer Q
(D) In smaller quantities Fertilizer Q is more effective; in larger quantities,
Fertilizer P

28 The sound being produced by a large machine in a factory is shown by this 1

6 graph. An engineer has a theory. He says that he will create a sound using a
computer and amplifier that will produce an 'anti-noise' having exactly the
opposite wave form - and this will cancel out the sound and reduce the noise
quite a bit.

Can this idea work?

(A) Yes, this is used in some applications.
(B) Yes, in theory, but it doesn't work in practice.
(C) No, the noise will, in fact double.

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(D) No, the machine will drown out the computer noise.

28 See the map of the world shown below. Which of the places shown is closest 1
7 to Bolshevik Island?

(A) Queen Elizabeth Islands

(B) Moscow
(C) Kolkata
(D) Cape of Good Hope

28 Animals which have three body parts, each having one pair of legs are called: 1
8 (A) arachnids
(B) amphibians
(C) insects
(D) beetles

28 Study the principle of functioning of a seismograph shown in the diagram 1

9 below. Seismographs are used to detect earthquakes and measure their
intensities. The seismograph shown detects horizontal and vertical
vibrations.

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The recordings made on both drums during an earthquake are shown

below.

How long did the quake last?

(A) 3 seconds
(B) 20 seconds
(C) 28 seconds
(D) 44 seconds

29 Two liquids P and Q, and two solids R and S are shown in different 1
0 undisturbed arrangements below. Study the arrangements and arrange P, Q,
R and S in order of INCREASING density.

(A) P < Q < R < S

(B) Q < S < P < R
(C) Q < P < S < R
(D) S < Q < P < R

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29 See the representation of a park in the map below. 1

1

Which of these scenes may be seen by a visitor entering the park from the
entrance ?

(A)

(B)

(C)

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(D)

29 P, Q, R, S and T are five living things in an ecosystem. The following facts are 1
2 known about them:
P eats Q and T. Q eats R and T. R is a food producer.
R is eaten by S, T and Q. P and Q are eaten by S.

Identify the animal which should replace the ‘?' (P ← Q means P eats Q)

(A) P
(B) Q
(C) R
(D) S

29 Scientists have found that even light is affected by the force of gravity, that 1
3 is, the path of a light ray 'bends' towards a massive star near it. See the
figure below.

Where will the neutron star shown above appear to be when seen through a

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telescope on earth.
(A) Near A.
(B) Near B.
(C) Near C.
(D) Near D.

29 The figure below shows 5 heavy metal balls P, Q, R, S and T held by cords is 1
4 such a way that they are exactly touching each other. The first ball P is
pulled away as shown and then released so that it hits the ball Q. Which balls
will move IMMEDIATELY after this?

(A) Only P which will rebound back.

(B) P and Q will rebound back, S and T will move forward.
(C) Q, R, S and T will move forward.
(D) Only T will move forward.

29 Two similar, open cylindrical vessels are connected as shown in the figure. 1
5 One of them has water in it, while the other is empty. We are required to
draw the graph of the water level in each vessel against time immediately
after the stopper is opened.

Which of these is the correct graph?

(The level in one cylinder is shown by the solid line and in the other by the
dotted line)

(A)

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(B)

(C)

(D)

29 The rate of growth of hair on the human head has been estimated as about 1
6 0.44 mm per day. Assuming that this rate is uniform, about what LENGTH of
hair (considering just 1 strand) would a normal male adult cut in 20 years?
(A) About 30 cm.
(B) About 3 m.
(C) About 30 m.
(D) About 300 m.

29 Which of these provides the energy for the motion of a petrol car? 1
7 (A) Petrol
(B) Its battery
(C) Its engine
(D) Petrol and its battery

29 The pH of a substance is a measure of its acidity as shown in the scale below: 1

8

When Suresh complained of acidity, his doctor prescribed a liquid antacid

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which gave him relief. Which of these could be the pH of the antacid?
(A) 0
(B) 3
(C) 7
(D) 9

29 Both AIR CONDITIONERS and AIR COOLERS can be used to cool rooms. 1
9 What is the main difference in the effect they produce?
(A) They are basically the same, but air conditioners cool much more.
(B) Air conditioners control the humidity of the room also, unlike air
coolers.
(C) They are basically the same, but air conditioners are meant for light use
only.
(D) They are basically the same, but air coolers can be used only for a few
hours at a stretch.

30 In which of these ways would our vision have been affected if we had only 1
0 one eye rather than a PAIR of eyes to see with?
(A) We would not be able to distinguish depth well.
(B) We would not be able to distinguish colour well.
(C) We would not be able to distinguish motion well.
(D) Our vision would not be affected in any of the above ways.

30 Isomers are molecules which have the same number and type of atoms, but 1
1 their arrangement is different. For example,

are isomers.

Which of the following is an isomer of ?

(A)

(B)

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(C)

(D)

30 1
2

It is clear from the above guide that the tank should be washed with:
(A) clean water
(B) clean water and detergent
(C) detergent only
(D) (not specified)

30 Which of these flowcharts correctly shows the circulation of blood in the 1

3 human body?

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(A)

(B)

(C)

(D)

30 A seed was sown in a pot full of garden soil. The pot was then placed in a 1
4 tilted position and watered regularly.

Which of these correctly shows the direction in which the root and shoot of
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the plant will start to grow?

(A)

(B)

(C)

(D)

30 The balloon shown here is filled with water. Ramu wants to make a hole in 1
5 the balloon so that the water comes out with maximum force. At which point
should he make the hole?

D. The force will be the same at all points

(A) A
(B) B
(C) C
(D) D

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Marking Scheme
Q No. Rubric Marks
1 B 1
2 C 1
3 D 1
4 A 1
5 D 1
6 D 1
7 B 1
8 C 1
9 A 1
10 C 1
11 C 1
12 B 1
13 B 1
14 C 1
15 C 1
16 C 1
17 C 1
18 A 1
19 D 1
20 B 1
21 B 1
22 B 1
23 A 1
24 C 1
25 C 1
26 B 1
27 A 1
28 B 1
29 A 1
30 C 1
31 C 1
32 C 1
33 A 1
34 D 1

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 Grade 9 - Science

35 D 1
36 A 1
37 B 1
38 B 1
39 B 1
40 B 1
41 B 1
42 B 1
43 A 1
44 C 1
45 C 1
46 B 1
47 A 1
48 A 1
49 B 1
50 C 1
51 A 1
52 B 1
53 D 1
54 C 1
55 A 1
56 D 1
57 A 1
58 C 1
59 B 1
60 C 1
61 D 1
62 C 1
63 D 1
64 C 1
65 D 1
66 C 1
67 B 1
68 A 1
69 C 1
70 C 1

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71 D 1
72 B 1
73 C 1
74 A 1
75 B 1
76 D 1
77 A 1
78 B 1
79 C 1
80 B 1
81 B 1
82 A 1
83 A 1
84 D 1
85 A 1
86 C 1
87 C 1
88 C 1
89 C 1
90 A 1
91 C 1
92 B 1
93 B 1
94 A 1
95 B 1
96 A 1
97 D 1
98 A 1
99 A 1
100 B 1
101 B 1
102 C 1
103 C 1
104 D 1
105 B 1
106 C 1

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107 B 1
108 B 1
109 B 1
110 B 1
111 A 1
112 B 1
113 B 1
114 C 1
115 D 1
116 C 1
117 C 1
118 A 1
119 B 1
120 B 1
121 B 1
122 A 1
123 D 1
124 D 1
125 B 1
126 C 1
127 A 1
128 B 1
129 C 1
130 B 1
131 C 1
132 B 1
133 D 1
134 D 1
135 B 1
136 A 1
137 B 1
138 B 1
139 A 1
140 C 1
141 A 1
142 A 1

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143 D 1
144 D 1
145 A 1
146 C 1
147 B 1
148 B 1
149 D 1
150 B 1
151 D 1
152 B 1
153 A 1
154 C 1
155 D 1
156 B 1
157 A 1
158 C 1
159 C 1
160 A 1
161 C 1
162 C 1
163 B 1
164 A 1
165 C 1
166 C 1
167 A 1
168 C 1
169 B 1
170 C 1
171 B 1
172 B 1
173 B 1
174 A 1
175 D 1
176 A 1
177 D 1
178 B 1

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179 A 1
180 B 1
181 B 1
182 B 1
183 A 1
184 D 1
185 D 1
186 A 1
187 C 1
188 D 1
189 B 1
190 B 1
191 C 1
192 B 1
193 B 1
194 B 1
195 B 1
196 C 1
197 B 1
198 C 1
199 A 1
200 A 1
201 A 1
202 C 1
203 A 1
204 A 1
205 A 1
206 B 1
207 D 1
208 A 1
209 A 1
210 D 1
211 B 1
212 C 1
213 C 1
214 C 1

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215 B 1
216 C 1
217 A 1
218 B 1
219 B 1
220 A 1
221 D 1
222 C 1
223 C 1
224 C 1
225 D 1
226 B 1
227 C 1
228 C 1
229 B 1
230 A 1
231 B 1
232 B 1
233 B 1
234 B 1
235 B 1
236 C 1
237 C 1
238 C 1
239 B 1
240 B 1
241 C 1
242 D 1
243 B 1
244 B 1
245 C 1
246 D 1
247 C 1
248 C 1
249 B 1
250 B 1

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 Grade 9 - Science

251 C 1
252 A 1
253 D 1
254 B 1
255 C 1
256 C 1
257 D 1
258 B 1
259 B 1
260 B 1
261 D 1
262 A 1
263 A 1
264 B 1
265 C 1
266 B 1
267 B 1
268 D 1
269 B 1
270 A 1
271 C 1
272 B 1
273 C 1
274 C 1
275 C 1
276 B 1
277 B 1
278 A 1
279 D 1
280 A 1
281 C 1
282 A 1
283 B 1
284 B 1
285 C 1
286 A 1

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287 A 1
288 C 1
289 C 1
290 B 1
291 A 1
292 D 1
293 C 1
294 D 1
295 C 1
296 B 1
297 A 1
298 D 1
299 B 1
300 A 1
301 B 1
302 A 1
303 C 1
304 B 1
305 D 1

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