CEE Probable Model Set: 8 of 8

Total Questions in this part: 200

PHYSICS (Questions 1 - 50)

1. A train is moving with a velocity of 90 km/hr. When the brakes are applied, a uniform retardation
of 0.5 m/s² is produced. The distance it will travel before coming to rest is:
a. 125 m
b. 325 m
c. 625 m
d. 525 m

The dimensions [M L⁻¹ T⁻²] correspond to:

a. Young's modulus
b. Gravitational constant
c. Surface tension
d. Viscosity

Four capacitors, each of 2 µF, are connected as shown in the figure (a square with capacitors on
each side and one across a diagonal). The equivalent capacitance between points A and B (the
two ends of the diagonal capacitor) is:
a. 2 µF
b. 6 µF
c. 8 µF
d. 4 µF

In a Young's double-slit experiment, if the separation between the slits is halved and the distance
of the screen from the slits is doubled, then the fringe width becomes:
a. Half
b. Double
c. Four times
d. Unchanged

The mass number of a nucleus is M and its atomic number is Z. The number of neutrons in the
nucleus is:
a. M
b. Z
c. M - Z
d. M + Z

The ratio of the orbital velocity to the escape velocity for a satellite orbiting close to the Earth's
surface is:
a. 1 : √2
b. √2 : 1
c. 1 : 2
d. 2 : 1

A wire of length L and radius r is fixed at one end. When a force F is applied to the free end, an
extension 'e' is produced. For the same force F, another wire of the same material but of length 2L
and radius 2r will have an extension of:
a. e
b. 2e
c. e/2
d. 4e

In an AC circuit, the instantaneous values of emf and current are e = 200 sin(314t) V and i =
sin(314t + π/3) A. The average power consumed in the circuit is:
a. 200 W
b. 100 W
c. 50 W
d. 25 W
A convex lens is dipped in a liquid whose refractive index is equal to the refractive index of the
lens material. Then its focal length will:
a. Become zero
b. Remain unchanged
c. Become infinite
d. Decrease

The property of a liquid that enables it to resist tensile stress is:

a. Viscosity
b. Surface tension
c. Compressibility
d. Elasticity

A bomb of mass 9 kg at rest explodes into two pieces of masses 3 kg and 6 kg. The velocity of
the 3 kg piece is 16 m/s. The kinetic energy of the 6 kg piece is:
a. 96 J
b. 192 J
c. 384 J
d. 768 J

In a nuclear reaction, which of the following is conserved?

a. Mass only
b. Energy only
c. Momentum only
d. All of the above (mass-energy, momentum, charge)

The part of a transistor which is most heavily doped to emit a large number of charge carriers is
the:
a. Emitter
b. Base
c. Collector
d. Depletion region

To obtain a real, inverted image of the same size as the object with a convex lens of focal length
'f', the object should be placed:
a. At f
b. At infinity
c. Between f and 2f
d. At 2f

According to the first law of thermodynamics, if a system undergoes an isochoric process

(constant volume), then:
a. ΔQ = ΔU
b. ΔQ = ΔW
c. ΔU = ΔW
d. ΔU = 0

A hollow insulated conducting sphere is given a positive charge of 10 µC. What will be the electric
field at the center of the sphere if its radius is 2 meters?
a. 20 N/C
b. 5 N/C
c. Zero
d. 8 N/C

The gravitational force between two objects is F. If the masses of both objects are halved without
changing the distance between them, the new gravitational force would be:
a. F/4
b. F/2
c. F
d. 2F

The specific heat capacity is maximum for:

a. Water
b. Copper
c. Iron
d. Mercury

The photoelectric effect supports the quantum nature of light because:

a. The kinetic energy of photoelectrons depends on light intensity.
b. There is a minimum frequency for emission.
c. The charge of the photoelectrons is quantized.
d. Light is an electromagnetic wave.

The decimal equivalent of the binary number 10110 is:

a. 22
b. 20
c. 18
d. 26

A person of mass 60 kg is in a lift. The tension in the supporting cable is 720 N. The acceleration
of the lift is (g = 10 m/s²):
a. 2 m/s² upwards
b. 2 m/s² downwards
c. 1 m/s² upwards
d. 1 m/s² downwards

A bullet is fired from a rifle. If the rifle recoils freely, the kinetic energy of the rifle is:
a. Less than the kinetic energy of the bullet
b. More than the kinetic energy of the bullet
c. Equal to the kinetic energy of the bullet
d. Zero

A stationary source emits sound of frequency 'f'. A listener moves towards the source with a
velocity 'v '.The apparent frequency heard by the listener is (v is the velocity of sound):
a. f (v / (v - v ))
b. f ((v + v ) /v)
c. f ((v - v ) /v)
d. f (v / (v + v ))

A moving coil galvanometer works on the principle that:

a. A current-carrying coil experiences a force in a magnetic field.
b. A current-carrying coil experiences a torque in a magnetic field.
c. An e.m.f is induced in a coil when the flux changes.
d. Two parallel currents attract each other.

A wire of resistance 4R is bent in the form of a circle. The effective resistance between the ends
of a diameter is:
a. 4R
b. 2R
c. R
d. R/2

The resolving power of the human eye is about:

a. 1 minute of an arc
b. 1 second of an arc
c. 1 degree
d. 0.5 minute of an arc

A solid sphere, a hollow sphere, a disc, and a ring of the same mass and radius are rolling on a
horizontal plane with the same linear velocity. The body with the maximum kinetic energy is the:
a. Solid sphere
b. Hollow sphere
c. Disc
d. Ring

Magnetic lines of force produced by a bar magnet:

a. Originate from the north pole and end at the south pole
b. Form closed continuous loops
c. Intersect each other at the poles
d. Are crowded in the middle of the magnet
The Lyman series of the hydrogen spectrum lies in the:
a. Visible region
b. Infrared region
c. Ultraviolet region
d. Microwave region

In a choke coil, the reactance XL and resistance R should be:

a. XL is high, R is high
b. XL is low, R is low
c. XL is high, R is low
d. XL is low, R is high

An electron and a proton have the same de-Broglie wavelength. The physical quantity which is the
same for both is:
a. Velocity
b. Kinetic energy
c. Momentum
d. Mass

The unit of angular acceleration is:

a. m/s²
b. rad/s
c. rad/s²
d. m/s

When a ray of light enters a glass slab from air:

a. Its wavelength and frequency both change
b. Its wavelength and velocity change, but frequency remains unchanged
c. Its frequency and velocity change, but wavelength remains unchanged
d. Only its frequency changes

A potentiometer is an ideal device for measuring potential difference because:

a. It uses a sensitive galvanometer.
b. It draws no current from the source of emf being measured.
c. It has a long wire.
d. It is based on the Wheatstone bridge principle.

A radioactive nucleus decays by emitting one alpha particle and two beta particles. The daughter
nucleus will be an _______ of the parent nucleus.
a. Isotope
b. Isobar
c. Isotone
d. Isomer

An ideal monatomic gas is taken from state A to state B along a path ACB where P and V are
pressure and volume. The work done during this process is:
(A diagram shows a right-angled triangle ACB on a P-V graph, with A at (V₁, P₂), C at (V₂, P₂), and B
at (V₂, P₁))
a. P₂(V₂ - V₁)
b. P₁(V₂ - V₁)
c. ½(P₂ - P₁)(V₂ - V₁)
d. Zero

A wave is represented by the equation y = 0.5 sin(10t - 2x), where x and y are in meters and t is in
seconds. The speed of the wave is:
a. 5 m/s
b. 10 m/s
c. 2 m/s
d. 0.2 m/s

The force on a current-carrying conductor in a uniform magnetic field is zero when the angle
between the current and the magnetic field is:
a. 90°
b. 45°
c. 30°
d. 0° or 180°

The depletion layer in a p-n junction diode consists of:

a. Mobile electrons and holes
b. Immobile positive and negative ions
c. Neutral atoms
d. Only electrons

An impulse is applied to a body. This is equivalent to a change in its:

a. Velocity
b. Kinetic energy
c. Momentum
d. Potential energy

The angle of contact for a liquid-solid pair is 90°. When a capillary tube of this solid is dipped in
the liquid, the liquid level inside the tube will:
a. Rise
b. Fall
c. Remain at the same level as the outside liquid
d. First rise then fall

In the photoelectric effect, if the intensity of the incident light is doubled, the number of emitted
photoelectrons will:
a. Be halved
b. Be doubled
c. Become four times
d. Remain unchanged

Which logic gate is represented by the Boolean expression Y = A + B?

a. AND
b. OR
c. NOT
d. XOR

Two point charges are separated by a distance 'r' in a vacuum and exert a force 'F' on each other.
If a medium of dielectric constant K is introduced between them, the new force will be:
a. KF
b. F
c. F/K
d. F/K²

Two light sources are said to be coherent if they emit light waves of:
a. The same amplitude and frequency
b. The same frequency and constant phase difference
c. The same amplitude and constant phase difference
d. The same wavelength and amplitude

The property of a material to break with little or no plastic deformation is called:

a. Ductility
b. Malleability
c. Brittleness
d. Toughness

A thin rod of mass M and length L is rotating about an axis passing through its center and
perpendicular to its length. Its moment of inertia is:
a. ML²/12
b. ML²/3
c. ML²
d. (1/2)ML²

The number of significant figures in the measurement 2.64 x 10²⁴ kg is:

a. 2
b. 3
c. 4
d. 24
 An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. The
position of the image is:
a. 6 cm behind the mirror
b. 6 cm in front of the mirror
c. 30 cm behind the mirror
d. 30 cm in front of the mirror

Lenz's law gives:

a. The magnitude of the induced emf
b. The direction of the induced current
c. Both magnitude and direction
d. The magnitude of the induced charge

CHEMISTRY (Questions 51 - 100)

1. An organic compound on treatment with ammoniacal silver nitrate gives a silver mirror. It also
gives a positive iodoform test. The compound could be:
a. Propanal
b. Ethanal
c. Propanone
d. Butan-2-one

The pH of a solution is 5. What is the concentration of H⁺ ions in mol/L?

a. 10⁵
b. 10⁻⁵
c. 10⁹
d. 10⁻⁹

According to VSEPR theory, the shape of a molecule with 2 bond pairs and 2 lone pairs of
electrons around the central atom (like H₂O) is:
a. Linear
b. Trigonal planar
c. Tetrahedral
d. Bent or V-shaped

The mass of one atom of hydrogen is approximately:

a. 1 g
b. 1.66 x 10⁻²⁴ g
c. 6.022 x 10²³ g
d. 1 amu

For an endothermic reaction, the value of ΔH is positive. According to Le Chatelier's principle, an

increase in temperature will:
a. Shift the equilibrium to the left (reactants)
b. Shift the equilibrium to the right (products)
c. Have no effect on the equilibrium
d. Decrease the rate of reaction

The linkage that connects α-D-glucose units in starch is primarily:

a. α-1,4 glycosidic linkage
b. β-1,4 glycosidic linkage
c. α-1,6 glycosidic linkage
d. A peptide bond

The reaction of an aldehyde with an alcohol in the presence of dry HCl gas first produces a
hemiacetal and then an acetal. This is an example of:
a. Electrophilic substitution
b. Nucleophilic addition
c. Elimination reaction
d. Oxidation

The coagulation of a negatively charged sol (like As₂S₃) is most effectively caused by:
a. Na⁺
b. Mg²⁺
c. Al³⁺
d. SO₄²⁻

In the blast furnace, the reducing agent for the iron ore (Fe₂O₃) at higher temperatures is:
a. Coke (C)
b. Carbon monoxide (CO)
c. Limestone (CaCO₃)
d. Silicon dioxide (SiO₂)

Aniline is a weaker base than cyclohexylamine because:

a. The lone pair on the nitrogen atom in aniline is delocalized into the benzene ring.
b. The cyclohexyl group is electron-withdrawing.
c. Aniline is aromatic.
d. Cyclohexylamine can form stronger hydrogen bonds.

Which of the following polymers is a naturally occurring polymer?

a. PVC
b. Teflon
c. Protein
d. Terylene

The pH of a 0.1 M solution of a weak acid is 3. The value of its dissociation constant (Ka) is:
a. 1 x 10⁻³
b. 1 x 10⁻⁴
c. 1 x 10⁻⁵
d. 1 x 10⁻⁶

The addition of water to an alkene in the presence of an acid catalyst follows Markovnikov's rule.
The addition of water to propene gives:
a. Propan-1-ol
b. Propan-2-ol
c. Propanal
d. Propanone

Phenol can be distinguished from ethanol by all of the following reagents EXCEPT:
a. Neutral FeCl₃ solution
b. Bromine water
c. Lucas reagent
d. Sodium metal

Raoult's law states that for a solution of volatile liquids, the partial vapour pressure of each
component is directly proportional to its:
a. Molality
b. Molarity
c. Mole fraction in the solution
d. Normality

The process of heating a carbonate ore strongly in a limited supply of air to convert it into an
oxide is called:
a. Roasting
b. Smelting
c. Calcination
d. Leaching

Which of the following species can act as both a Bronsted acid and a Bronsted base?
a. H₃O⁺
b. OH⁻
c. Cl⁻
d. HCO₃⁻

The rate of a reaction is found to be proportional to the square of the concentration of reactant 'A'.
If the concentration of 'A' is tripled, the rate of reaction will increase by a factor of:
a. 3
b. 6
c. 9
d. 12

The set of quantum numbers n=3, l=1, m=+1 describes an electron in which orbital?
a. 3s
b. 3p
c. 3d
d. 4p

The reaction of a primary amine with chloroform and alcoholic KOH to give an offensive smell is
known as the:
a. Carbylamine test
b. Hinsberg test
c. Diazotization test
d. Tollen's test

The most abundant element in the universe is:

a. Oxygen
b. Silicon
c. Hydrogen
d. Helium

A polymer that can be repeatedly softened by heating and hardened by cooling is a:

a. Thermosetting polymer
b. Thermoplastic polymer
c. Elastomer
d. Fiber

The conversion of a nitro compound to a primary amine can be achieved using:

a. Sn / HCl
b. LiAlH₄
c. H₂ / Ni
d. All of the above

The order of a reaction:

a. Is always an integer
b. Can be determined from the balanced chemical equation
c. Is an experimentally determined quantity
d. Is equal to the molecularity

The molecule with a square planar geometry is:

a. CH₄
b. SF₄
c. XeF₄
d. CCl₄

Photochemical smog is primarily composed of:

a. SO₂, smoke, and fog
b. O₃, PAN, and nitrogen oxides
c. CO and CO₂
d. Methane and CFCs

The Tyndall effect is not observed in:

a. Sols
b. Gels
c. Emulsions
d. True solutions

Two liquids A and B form an ideal solution. At 300 K, the vapour pressures of pure A and pure B
are 100 mmHg and 300 mmHg respectively. If the solution contains 1 mole of A and 4 moles of B,
the total vapour pressure of the solution is:
a. 260 mmHg
b. 280 mmHg
c. 200 mmHg
d. 220 mmHg
The IUPAC name for the complex [Cr(H₂O)₄Cl₂]Cl is:
a. Tetraaquadichlorochromium(III) chloride
b. Dichloridotetraaquachromium(III) chloride
c. Tetraaquadichlorochromate(III) chloride
d. Dichloridotetraaquachromium(II) chloride

A process that is in equilibrium is characterized by:

a. ΔG > 0
b. ΔG < 0
c. ΔG = 0
d. ΔS = 0

Anisole can be prepared by Williamson's synthesis, which involves the reaction of:
a. Phenol with methyl iodide
b. Sodium phenoxide with methyl iodide
c. Benzene with methyl iodide
d. Toluene with sodium hydroxide

The number of unpaired electrons in a Ni²⁺ ion (Z=28) is:

a. 0
b. 1
c. 2
d. 3

The amino acid that is not optically active is:

a. Alanine
b. Valine
c. Glycine
d. Leucine

The compound that shows cis-trans (geometrical) isomerism is:

a. 1-Butene
b. 2-Butyne
c. 2-Methylpropene
d. 2-Butene

A solution that resists a change in pH upon the addition of a small amount of acid or base is
called:
a. An ideal solution
b. A buffer solution
c. A colloidal solution
d. An isotonic solution

The correct order of stability for the following carbocations is: (I) (CH₃)₃C⁺, (II) (CH₃)₂CH⁺, (III)
CH₃CH₂⁺
a. I > II > III
b. III > II > I
c. II > I > III
d. I > III > II

Which of the following oxides is amphoteric in nature?

a. CO₂
b. Na₂O
c. Al₂O₃
d. SO₃

The trend of electron gain enthalpy becomes less negative down a group. Which of the following
shows an anomalous behavior?
a. F > Cl
b. Cl > F
c. O > S
d. N > P

An example of enzyme catalysis is the hydrolysis of urea in the presence of:

a. Invertase
b. Zymase
c. Urease
d. Diastase

The IUPAC name for Ph-CH₂-COOH is:

a. Phenylacetic acid
b. Benzoic acid
c. 2-Phenylethanoic acid
d. Phenylmethanoic acid

The compound used as an antacid is:

a. NaHCO₃
b. Na₂CO₃
c. NaCl
d. NaOH

The allotrope of carbon used as a lubricant is:

a. Diamond
b. Graphite
c. Fullerene
d. Carbon black

The metal that is purified by the van Arkel method is:

a. Nickel
b. Copper
c. Zirconium
d. Iron

The molecule that has a coordinate bond is:

a. CH₄
b. H₂O
c. NH₄⁺
d. C₂H₂

An example of a broad-spectrum antibiotic is:

a. Penicillin G
b. Ofloxacin
c. Erythromycin
d. Dysidazirine

The hydrolysis of sucrose gives an equimolar mixture of:

a. Glucose and Glucose
b. Glucose and Maltose
c. Glucose and Fructose
d. Fructose and Fructose

The process of removing lighter gangue particles by washing in a current of water is called:
a. Leaching
b. Froth flotation
c. Liquation
d. Hydraulic washing (Levigation)

The osmotic pressure of a solution increases when:

a. The temperature is decreased
b. The volume is increased
c. The number of solute molecules is increased
d. The solution is diluted

Aniline is less basic than ethylamine. This can be explained by:

a. The +I effect of the ethyl group and the resonance effect in aniline
b. The -I effect of the phenyl group only
c. The steric hindrance in aniline
d. The hybridization of nitrogen in both compounds

Match the following ores with their chemical formulas:

 | Column I (Ore) | Column II (Formula) |
|---|---|
| A. Galena | 1. ZnS |
| B. Sphalerite | 2. Fe₂O₃ |
| C. Hematite | 3. CuFeS₂ |
| D. Copper Pyrites | 4. PbS |

a. A-4, B-1, C-2, D-3

b. A-1, B-4, C-3, D-2
c. A-4, B-2, C-1, D-3
d. A-3, B-1, C-2, D-4

BOTANY (Questions 101 - 140)

1. A microbiologist is studying an organism that lacks a well-defined nucleus and other membrane-
bound organelles, but has a cell wall made of peptidoglycan. This organism belongs to the
Kingdom:
a. Protista
b. Fungi
c. Monera
d. Plantae

In a typical angiosperm, the process of syngamy (fusion of one male gamete with the egg cell)
and triple fusion (fusion of the second male gamete with the central cell) are collectively known
as:
a. Parthenogenesis
b. Double fertilization
c. Apomixis
d. Polyembryony

The enzyme RuBisCO has a much greater affinity for CO₂ than for O₂. However, in C₃ plants,
photorespiration occurs because:
a. O₂ concentration in the leaf can become much higher than CO₂ concentration on hot, dry days.
b. The enzyme is located in the cytoplasm where O₂ is abundant.
c. High temperatures change the active site of the enzyme to favor O₂.
d. CO₂ is not available in the bundle sheath cells.

A flower has a perianth, which means the calyx and corolla are not distinct. The individual units of
the perianth are called:
a. Petals
b. Sepals
c. Bracts
d. Tepals

The movement of sugars from the source (e.g., leaf) to the sink (e.g., root or fruit) in a plant
occurs through the phloem. This process is best explained by the:
a. Cohesion-Tension Theory
b. Root Pressure Theory
c. Pressure Flow (Mass Flow) Hypothesis
d. Imbibition Theory

A piece of dry wood is placed in water. It swells up primarily due to the process of imbibition,
which is a special type of diffusion where water is absorbed by:
a. Living cells only
b. Solid colloids, causing them to increase in volume
c. A semipermeable membrane
d. The process of osmosis

In a monohybrid cross, an F₁ plant heterozygous for a trait is self-pollinated. If the two alleles
show incomplete dominance, the phenotypic ratio in the F₂ generation will be:
a. 3 : 1
b. 1 : 2 : 1
c. 9 : 3 : 3 : 1
d. 1 : 1
The 'lac operon' in E. coli is an example of gene regulation. The operon is switched on when the
repressor protein is inactivated by the inducer, which is:
a. Glucose
b. Galactose
c. Lactose (or allolactose)
d. Sucrose

A farmer wants to produce seedless grapes. Which plant hormone should be sprayed on the
grapevines to induce parthenocarpy?
a. Abscisic acid
b. Ethylene
c. Cytokinin
d. Gibberellin

A cross-section of a plant root shows vascular bundles arranged in a radial pattern, with xylem
and phloem on different radii. The xylem is exarch, meaning protoxylem is towards the:
a. Center (pith)
b. Periphery (pericycle)
c. Cambium
d. Cortex

Which of the following microorganisms is used in the production of bread and beer due to its
ability to ferment sugars?
a. Lactobacillus
b. Aspergillus
c. Penicillium
d. Saccharomyces cerevisiae

The final electron acceptor of the electron transport system in aerobic respiration is:
a. Cytochrome a₃
b. Water
c. Hydrogen
d. Oxygen

A fruit that develops from a single flower with multiple, free carpels (apocarpous gynoecium) is
called an:
a. Aggregate fruit
b. Multiple fruit
c. Simple fruit
d. Composite fruit

The scientific system of naming organisms, known as binomial nomenclature, assigns each
organism a two-part name consisting of the:
a. Family and Genus
b. Genus and Species
c. Kingdom and Phylum
d. Order and Family

A prion is an infectious agent that is unique because it is composed of:

a. Only RNA
b. Only DNA
c. A nucleoprotein particle
d. Only an abnormally folded protein

In a flower with epigynous arrangement, the ovary is said to be inferior because:

a. It is located above the other floral parts.
b. The other floral parts arise from below the ovary.
c. The thalamus grows upwards, enclosing the ovary completely.
d. The ovary is absent.

The amount of living organic material present in a particular trophic level at a particular time is
called:
a. Standing crop
b. Standing state
c. Gross primary productivity
d. Net primary productivity

The genetic code is universal. This means that a specific codon, for example, AUG, codes for the
same amino acid (Methionine) in:
a. Only prokaryotes
b. Only eukaryotes
c. Only plants
d. Almost all organisms, from bacteria to humans

Which of the following is an incorrect match between the plant and its family?
a. Pea - Fabaceae
b. Potato - Solanaceae
c. Onion - Liliaceae
d. Sunflower - Malvaceae

The radicle of a plant embryo is covered by a protective sheath called the:

a. Coleoptile
b. Scutellum
c. Coleorhiza
d. Aleurone layer

The most abundant enzyme in the world, which catalyzes the first step of the Calvin cycle, is:
a. Pepsin
b. Amylase
c. RuBisCO
d. Nitrogenase

According to the fluid mosaic model, the plasma membrane is composed of a phospholipid
bilayer with:
a. Proteins embedded only on the surface
b. Proteins embedded within and on the surface of the bilayer
c. A rigid and static structure
d. No proteins involved

The process of photolysis of water during photosynthesis releases:

a. Electrons, protons (H⁺), and CO₂
b. Electrons, protons (H⁺), and O₂
c. Protons, neutrons, and O₂
d. ATP, NADPH, and O₂

The fleshy, edible part of an apple is the modified:

a. Ovary
b. Mesocarp
c. Endosperm
d. Thalamus

The loss of water from a plant in the form of vapor is primarily driven by the difference in:
a. Temperature between the leaf and the air
b. Water potential between the leaf and the atmosphere
c. Light intensity
d. CO₂ concentration

A genetic disorder characterized by the presence of an extra Y chromosome in a male (44 + XYY)
is known as:
a. Klinefelter's Syndrome
b. Turner's Syndrome
c. Jacob's Syndrome
d. Down's Syndrome

The cell wall of Fungi is primarily composed of a polysaccharide called:

a. Cellulose
b. Peptidoglycan
c. Chitin
d. Lignin
An interaction where one species is harmed, and the other is unaffected is called:
a. Predation
b. Parasitism
c. Commensalism
d. Amensalism

When pollen from the anther of a flower is transferred to the stigma of another flower on the
same plant, it is called:
a. Autogamy
b. Geitonogamy
c. Xenogamy
d. Allogamy

A plant that is indifferent to the duration of light for flowering is called a:

a. Short-day plant
b. Long-day plant
c. Day-neutral plant
d. Short-night plant

The food reserve in brown algae is typically in the form of:

a. Starch
b. Glycogen
c. Floridean starch
d. Laminarin and mannitol

The main plant body in Pteridophytes is the sporophyte, which is differentiated into:
a. Thallus-like structures
b. Root, stem, and leaves
c. Rhizoids, axis, and leaf-like structures
d. Protonema and leafy stage

Restriction enzymes, which are fundamental tools in genetic engineering, are naturally produced
by:
a. Viruses to cut host DNA
b. Bacteria to protect against viral infection
c. Plants to defend against herbivores
d. Fungi to decompose organic matter

"Bt" in Bt-cotton refers to Bacillus thuringiensis, a bacterium that produces a protein toxic to:
a. Certain insects
b. Fungi
c. Weeds
d. Nematodes

The type of placentation found in the family Fabaceae (e.g., pea) is:
a. Axile
b. Parietal
c. Basal
d. Marginal

A woman with blood group 'A' and a man with blood group 'B' have a child with blood group 'O'.
This indicates that:
a. The woman is homozygous for the A allele.
b. The man is homozygous for the B allele.
c. Both parents are heterozygous.
d. This is not a possible outcome.

The meristem that is located between mature tissues and is responsible for regenerating parts
removed by grazing herbivores is the:
a. Apical meristem
b. Lateral meristem
c. Intercalary meristem
d. Cork cambium

The process of removing non-coding sequences (introns) from a pre-mRNA molecule is called:
 a. Tailing
b. Capping
c. Splicing
d. Transcription

Plants with sunken stomata, thick cuticles, and leaves reduced to spines are typically adaptations
for:
a. Aquatic environments (hydrophytes)
b. Saline environments (halophytes)
c. Arid environments (xerophytes)
d. Temperate environments (mesophytes)

A man with blood group AB marries a woman with blood group O. The possible blood groups of
their children are:
a. A and B only
b. AB and O only
c. A, B, and AB
d. A, B, AB, and O

ZOOLOGY (Questions 141 - 180)

1. The enzyme rennin, found in the gastric juice of infants, acts on the milk protein casein. Its
primary function is to:
a. Digest casein into amino acids
b. Curdle milk, which increases the time it stays in the stomach for digestion
c. Activate pepsinogen into pepsin
d. Emulsify fats present in milk

A person involved in a car accident requires an immediate blood transfusion. Their blood type is
unknown. In such an emergency, the blood group that can be safely transfused is:
a. A positive
b. B positive
c. AB positive
d. O negative

The "pacemaker" of the human heart, which initiates the heartbeat, is the sinoatrial (SA) node. It is
located in the:
a. Upper right corner of the right atrium
b. Lower left corner of the left atrium
c. Interventricular septum
d. Wall of the left ventricle

The human skeleton is divided into the axial and appendicular skeletons. The appendicular
skeleton includes the:
a. Skull, vertebral column, and rib cage
b. Bones of the limbs and their girdles
c. Sternum and ribs
d. Vertebral column and skull

Which of the following is an incorrect match between the animal and its excretory organ?
a. Earthworm - Nephridia
b. Cockroach - Malpighian tubules
c. Prawn - Green glands
d. Flatworm - Kidneys

A person is in a state of alarm or emergency. The hormone that is released in large quantities to
prepare the body for a "fight-or-flight" response is:
a. Insulin
b. Thyroxine
c. Adrenaline (Epinephrine)
d. Aldosterone

The LH surge is a key event in the menstrual cycle. Which of the following statements about it is
 incorrect?
a. It is triggered by high levels of estrogen.
b. It occurs around the 14th day of the cycle.
c. It is responsible for triggering ovulation.
d. It is primarily responsible for the thickening of the endometrium.

The concept of "Founder Effect" is a special case of genetic drift where:

a. A large population is suddenly reduced in size.
b. New alleles are introduced by migration.
c. A new colony is started by a few members of the original population.
d. Natural selection favors an extreme phenotype.

A man who is color-blind marries a woman with normal vision who has no family history of color
blindness. What is the probability of their son being color-blind?
a. 100%
b. 50%
c. 25%
d. 0%

Match the Phylum with its unique characteristic:

| Column I (Phylum) | Column II (Characteristic) |
|---|---|
| A. Aschelminthes | 1. Water Canal System |
| B. Platyhelminthes | 2. Pseudocoelom |
| C. Porifera | 3. Metameric Segmentation |
| D. Annelida | 4. Dorso-ventrally flattened body |

a. A-1, B-4, C-2, D-3

b. A-2, B-4, C-1, D-3
c. A-2, B-1, C-4, D-3
d. A-4, B-2, C-3, D-1

1. Gastrulation is a critical process in embryonic development which involves the movement of cells
to form the three primary germ layers. This process begins after:
a. Fertilization
b. Cleavage and Blastulation
c. Organogenesis
d. Neurulation

The technique used for the early detection of cancer, which involves using antibodies linked to a
radioactive isotope to detect cancer-specific antigens, is known as:
a. Radiography (X-ray)
b. Computed Tomography (CT)
c. Magnetic Resonance Imaging (MRI)
d. Monoclonal antibody-based detection

The majority of carbon dioxide is transported in the blood:

a. As dissolved CO₂ in plasma
b. Bound to hemoglobin as carbaminohemoglobin
c. As bicarbonate ions (HCO₃⁻) in plasma
d. As carbonic acid in RBCs

The longest muscle in the human body is the Sartorius muscle, which helps in flexing and rotating
the thigh. It is located in the:
a. Arm
b. Back
c. Leg (thigh)
d. Abdomen

The study of Darwin's finches on the Galapagos Islands provided strong evidence for:
a. Convergent evolution
b. Lamarckism
c. Adaptive radiation
d. Genetic drift
A person suffers a stroke that damages the occipital lobe of their cerebrum. The most likely
deficit they will experience is related to:
a. Hearing
b. Speech production
c. Vision
d. Personality changes

The life cycle of Plasmodium in humans begins when a mosquito injects sporozoites into the
bloodstream. These sporozoites first multiply in the:
a. Red blood cells
b. Spleen
c. Liver cells
d. Lymph nodes

The condition of muscular stiffness that occurs after death, known as rigor mortis, is due to the:
a. Lack of nerve impulses to the muscles
b. Depletion of ATP, which is required to detach myosin heads from actin
c. Accumulation of excessive lactic acid
d. Breakdown of muscle proteins

The iris of the human eye is an extension of the:

a. Retina
b. Sclera
c. Cornea
d. Choroid

The immunity acquired by a fetus from its mother through the placenta is an example of:
a. Artificial Active Immunity
b. Natural Active Immunity
c. Artificial Passive Immunity
d. Natural Passive Immunity

The deficiency of which of the following vitamins leads to Xerophthalmia (dry eyes) and night
blindness?
a. Vitamin C
b. Vitamin D
c. Vitamin A
d. Vitamin K

A person with blood group O can receive blood from an individual with which blood group?
a. A only
b. B only
c. AB only
d. O only

A person experiences a sudden drop in blood glucose levels (hypoglycemia). The hormone that is
released to counteract this and raise blood glucose is:
a. Insulin
b. Glucagon
c. Aldosterone
d. Cortisol

The cell organelle involved in modifying, sorting, and packaging proteins and lipids for secretion
or delivery to other organelles is the:
a. Endoplasmic Reticulum
b. Ribosome
c. Golgi apparatus
d. Lysosome

The organ of excretion in insects is the Malpighian tubule. It is located at the junction of the:
a. Foregut and midgut
b. Midgut and hindgut
c. Hindgut and rectum
d. Esophagus and crop
Which of the following is a feature of monotremes (like the platypus) that distinguishes them
from other mammals?
a. They are warm-blooded.
b. They possess hair on their body.
c. They lay eggs.
d. They have a four-chambered heart.

The presence of a tail in a human baby at birth is an example of:

a. A vestigial organ
b. Atavism
c. Homology
d. Analogy

In the male reproductive system, the cells that provide nourishment to the developing sperm cells
are the:
a. Leydig cells
b. Interstitial cells
c. Spermatogonia
d. Sertoli cells

The floating ribs in the human rib cage are so named because they are attached to the:
a. Sternum only
b. Vertebral column only
c. Both the sternum and the vertebral column
d. Another rib

The "Age of Man" corresponds to which geological epoch?

a. Pliocene
b. Pleistocene
c. Holocene
d. Miocene

A patient with kidney failure is unable to excrete urea properly, leading to its accumulation in the
blood. This condition is known as:
a. Uremia
b. Anuria
c. Glycosuria
d. Ketonuria

The pulmonary artery is unique among arteries because it carries:

a. Oxygenated blood away from the heart
b. Deoxygenated blood away from the heart
c. Oxygenated blood towards the heart
d. Deoxygenated blood towards the heart

The type of immunity mediated by B-lymphocytes and antibodies is called:

a. Cell-mediated immunity
b. Humoral immunity
c. Innate immunity
d. Autoimmunity

The life cycle of a cockroach, which includes egg, nymph, and adult stages, is an example of:
a. Complete metamorphosis
b. Incomplete metamorphosis
c. No metamorphosis
d. Retrogressive metamorphosis

The germ layer that forms the lining of the gut, liver, and pancreas is the:
a. Ectoderm
b. Mesoderm
c. Endoderm
d. Myoderm

Which of the following animals has a closed circulatory system?

a. Snail
 b. Cockroach
c. Earthworm
d. Starfish

During muscle relaxation, calcium ions are actively pumped back into the:
a. Sarcolemma
b. T-tubules
c. Sarcoplasmic reticulum
d. Cytosol

The study of the causes of diseases is known as:

a. Pathology
b. Etiology
c. Epidemiology
d. Immunology

The hormone inhibin is secreted by the Sertoli cells in males and granulosa cells in females. Its
primary function is to:
a. Stimulate the release of LH
b. Stimulate the release of GnRH
c. Inhibit the secretion of FSH
d. Promote spermatogenesis

The hormone secreted by the pineal gland, which helps regulate the sleep-wake cycle, is:
a. Serotonin
b. Melatonin
c. Cortisol
d. Adrenaline

MAT (Mental Agility Test) (Questions 181 - 200)

1. Find the next term in the logical series: 1, 2, 6, 21, 88, ?
(Hint: The pattern involves multiplication and addition)
a. 445
b. 352
c. 264
d. 528

In a specific coding language, if NEPAL is coded as OFAQB, then INDIA would be coded as:
a. JOEJB
b. JNEJB
c. KPEKB
d. JPEKB

Pointing to a photograph of a boy, Suresh said, "He is the son of the only son of my mother." How
is Suresh related to that boy?
a. Brother
b. Uncle
c. Cousin
d. Father

A group of 1200 persons consisting of captains and soldiers is traveling in a train. For every 15
soldiers, there is one captain. The number of captains in the group is:
a. 70
b. 75
c. 80
d. 85

Find the odd one out from the given options:

a. Sparrow
b. Bat
c. Crow
d. Pigeon
Which of the following Venn diagrams correctly represents the relationship between Elephants,
Wolves, and Animals?
a. Three separate circles.
b. One circle inside another, which is inside a third.
c. Two separate circles inside a larger circle.
d. Two intersecting circles inside a larger circle.

Find the missing number in the sequence: 7, 26, 63, 124, 215, ?
a. 342
b. 343
c. 441
d. 512

'A' is the sister of 'B'. 'B' is married to 'D'. 'B' and 'D' have a daughter 'G'. How is 'G' related to 'A'?
a. Sister
b. Niece
c. Daughter
d. Cousin

How many triangles are present in the figure given below? (A star shape formed by two
overlapping triangles)
a. 6
b. 8
c. 10
d. 12

If 'A' stands for '+', 'B' for '−', 'C' for '×', and 'D' for '÷', then what is the value of the expression 4 D 2
A 3 B 6 C 6?
a. -31
b. -21
c. 25
d. 31

Arrange the words in a logical order: 1. Application, 2. Selection, 3. Interview, 4. Advertisement, 5.

Appointment
a. 4, 1, 3, 2, 5
b. 4, 1, 2, 3, 5
c. 1, 4, 2, 3, 5
d. 1, 3, 4, 5, 2

Find the mirror image of the time 3:15 in a clock.

a. 8:45
b. 9:15
c. 9:45
d. 8:15

Find the missing character.

| 9 | 4 | 20 |
|---|---|---|
| 8 | 5 | 12 |
|7|6|?|
a. 6
b. 9
c. 4
d. 2

A man said to a lady, "Your mother's husband's sister is my aunt." How is the lady related to the
man?
a. Daughter
b. Granddaughter
c. Mother
d. Sister

Identify the figure that completes the pattern. (Visual reasoning question)
 From the given alternatives, select the word which cannot be formed using the letters of the given
word: CHRONOLOGICAL
a. LOGIC
b. CALL
c. CALICO
d. ANALOGY

Find the odd one out.

a. Book
b. Paper
c. Pencil
d. Stationery

All the faces of a cube are painted with blue color. Then it is cut into 125 small equal cubes. How
many small cubes will be formed which are not painted on any face?
a. 8
b. 9
c. 27
d. 36

Statement: The government has decided to increase the prices of petrol and diesel.
Course of Action:
I. The public should protest against the government's decision.
II. The government should subsidize the prices for essential services.
a. Only I follows
b. Only II follows
c. Both I and II follow
d. Neither I nor II is strong

In a single throw of two dice, what is the probability of getting a doublet (same number on both
dice)?
a. 1/6
b. 1/3
c. 1/4
d. 1/2

COMPLETE ANSWER KEY: CEE MODEL SET 8

Q. Ans Q. Ans Q. Ans Q. Ans Q. Ans
1 c 41 b 81 b 121 d 161 c
2 d 42 a 82 c 122 c 162 a
3 b 43 d 83 c 123 b 163 b
4 c 44 a 84 d 124 a 164 a
5 c 45 b 85 a 125 b 165 b
6 a 46 c 86 c 126 c 166 c
7 c 47 c 87 c 127 b 167 c
8 c 48 d 88 d 128 d 168 d
9 b 49 b 89 a 129 b 169 b
10 b 50 b 90 b 130 c 170 d
11 b 51 b 91 a 131 c 171 a
12 d 52 b 92 b 132 b 172 b
13 a 53 d 93 b 133 b 173 d
14 d 54 b 94 d 134 a 174 c
15 a 55 b 95 b 135 d 175 c
16 c 56 a 96 c 136 c 176 c
17 c 57 b 97 d 137 c 177 d
18 a 58 c 98 a 138 c 178 b
19 b 59 a 99 d 139 c 179 b
20 a 60 a 100 a 140 a 180 b
21 a 61 a 101 c 141 b 181 a
22 a 62 c 102 c 142 b 182 b
23 b 63 c 103 a 143 c 183 d
24 b 64 d 104 d 144 c 184 b
25 a 65 c 105 c 145 b 185 b
26 b 66 c 106 b 146 c 186 c
27 d 67 d 107 c 147 d 187 a
28 b 68 c 108 c 148 b 188 a
29 b 69 b 109 d 149 d 189 b
30 c 70 a 110 d 150 a 190 a
31 c 71 c 111 c 151 c 191 a
32 d 72 b 112 d 152 c 192 b
33 b 73 d 113 a 153 b 193 d
34 b 74 c 114 b 154 c 194 a
35 b 75 c 115 d 155 b 195 -
36 a 76 b 116 c 156 d 196 d
37 c 77 b 117 a 157 c 197 d
38 c 78 a 118 d 158 d 198 c
39 b 79 a 119 b 159 c 199 b
40 c 80 c 120 a 160 d 200 a