JSS1 BASIC SCIENCE
1.What is the output energy from the energy transformation diagram below?
Electrical energy → Fan →
(a)Chemical energy (b) Mechanical energy (c) heat energy (d) electrical energy
2.One of these is not a renewable energy source
(a) Sun (b) Tidal wave (c) wind power (d) Coal
3.Substance which releases their chemical energy to produce heat and light energy are called (a)
Dynamo (b) Renewable (c) Fuels (d) Pressing iron
4.A bicycle dynamo is used to convert mechanical energy to ___
(a) Chemical energy (b) Electrical energy (c) Sound energy (d) Heat energy
5.If a car has an energy input of 100KJ and 60 % of the energy is converted to kinetic energy. What
is the amount of energy converted to heat?
(a) 20KJ (b) 30KJ (c) 40KJ (d) 50KJ
6.Firewood is an example of
(a) Renewable energy source (b) Non-renewable energy source (c) Both renewable and
non-renewable energy source (d) it is not an energy source
7.The process by which plant manufacture their food though sun light is known as
(a) Renewable energy (b) Pollination (c) Non-renewable energy (d)
Photosynthesis
8.The food that we eat contain what type of energy
(a) Mechanical (b) heat energy (c) Chemical energy (d) Heat energy
9.The major source energy to the earth is
(a) plant (b) Animal (c) Ocean (d) The Sun
10.Which of the following is present in outer space
(a) air (b) force of gravity (c) sound (d) light
11.Minerals are ……………….. a) materials form under the earth b) soft drinks c) atmospheric gasese d)
non of the above.
12.rocks that possess large quantities of metal compounds are called ………………… a)bauxite
b)granite c)ore d)gemstones
13……………..is the uppermost part of the earth where plant grow a) mesosphere b) soil c) lithospher
d) thermosphere
14.all these factors causes weathering except a) water b) insects c) wind d) volcano
Use the diagram to answer question 5 to 7
15.The diagram above represent a)rock b) minerals c) ore d)
soil layer
16. which part of the soil layer do you find plant root a) subsoil b) humus c)bedrock d)non of the
above
17. which layer has the least humus? A) subsoil b) humus c) bedrock d) all of the above
18. the following are examples of pollutant except………….. a) smoke b) dust c) water vapour d)
carbondioxide
19.The setup above is to test …………………. A) soil pH b) soil drainage c) soil texture d) soil layer
20.The 5th line signifies………………………….. a) water b) cylinder c) funnel d) retort stand
21.One the following is not part of the nervous system (a) vein (b) brain (c) spinal cord (d) nerves
22.Which one of the following connect other part of the body.(a) head (b) verves (c) spinal cord (d)
vein
23.The process of removing non –useful material from the body of living organism is called (a)
removal (b) exhalation (c) excretion (d) evaporation
24.In mammals , the major excretory organ is (a) skin (b) liver (c) lungs (d) kidney
25.All the following are sense organs except (a) mouth (b) skin (c) ear (d) eye
The main part of digestive system is called (a) mouth (b) alimentary canal (c) oesophagus (d) lungs
canal
26.Which structure of the cell control all the activities (a) cell wall (b) cell membrane (c) nucleus (d)
cytoplasm
27.Animals are different from plants in that they cannot (a) adapt (b) excrete (c) reproduce (d)
produce food
28.Which one the following does not have nucleus (a) matured red blood cells (b) white blood cells
(c) muscle cells (d) nerve cells
29.When cells of the same type are arranged into groups ,they form (a) organ (b) tissue (c) organism
(d) organ system
30.The main part of digestive system is called (a) mouth (b) alimentary canal (c) oesophagus (d)
lungs canal
SECTION B
CHEMISTRY
Section B
Theory
Use the graph above to answer the following questions
1a Which group of living things existed before the Cambrian period
b. In the period during which the flowering plants appeared, which animal groups also appeared in
the fossil records?
C. How many group new groups were added to the fossil record in the Devonian?
PHYSICS
1. A car engine has an energy input of 200KJ. The energy output is 80KJ of kinetic energy
and 120KJ 0f heat energy. Represent this using a Sankey diagram.
2. Make a sketch of an electric dynamo. On it, indicate the following; the rigid wheel driven
by tyre, cylindrical magnet and coil of wire wound on iron.
3. Indicate whether the following sources of energy are renewable or non- renewable
sources of energy
ENERGY SOURCES RENEWABLE/NON-RENEWABLE ENERGY SOURCES
The sun
Wind power
coal
Crude oil
Fire wood
Waves and tides
Fossil fuels
4. Write the missing terms in the energy transformation diagrams
Electrical energy Electric fan __________________
_______________ Bunsen burner Light energy and heat energy
Strain energy kinetic energy
Electrical energy Pressing iron
Solar energy Plant leaf
5. Differentiate between renewable and non-renewable sources of energy.
RENEABLE ENERGY SOURCES NON-RENEWABLE ENERGY SOURCES
BIOLOGY
1a.On the figure below, write out the name of the system to which each organ belongs
b. match the following systems with their meaning
Nervous system Removes poisonous wastes from the body
Digestive system Takes in oxygen from their and releases carbon
dioxide
Respiratory system Uses messages from the sensory organs and
send messages to the muscles
Excretory system Break down food so that the energy and
materials it contains can be used by the body
c. complete the table of characteristics of life with the following life processes.
Getting rid of waste, taking in or making food, changing position, having young ones,
increasing in size, sensing changes around them, releasing energy from food.
Characteristics Life processes
Nutrition
Respiration
Movement
Growth
Excretion
Reproduction
irritability
2a. what is a cell?
…………………………………………………………………………………………………………………
b. (i) label and identify the cells diagram below
(ii)
c. what are micro-
organisms?..................................................................................................
…………………………………………………………………………………………………………………………………………
d. list the three groups of micro-organisms
(i)……………………………………… (ii)…………………………………….. (iii)
………………………………………..
e. produce a table of diseases caused by viruses and bacteria.
Virus diseases Bacteria diseases
Hints: whooping cough, cholera, typhoid, tuberculosis, aids, small pox, influenza, measles, rubies
