MHT-CET 2024 Previous Year Question Paper PDF with Solutions and Answer Key PDF

April 22, 2024 Shift 1

Ques 1. Which of the following statements best describes the relationship between the hormones ANF and Angiotensin 2 in terms of their physiological effects on the body?

A. ANF promotes sodium reabsorption, while Angiotensin 2 dilates blood vessels

B. ANF dilates blood vessels, while Angiotensin 2 promotes sodium reabsorption

C. Both ANF and Angiotensin 2 promote sodium reabsorption.

D. Both ANF and Angiotensin 2 dilate blood vessels

Ans: ANF dilates blood vessels, while Angiotensin 2 promotes sodium reabsorption

Ques 2. Which of the following factors ensures that coding for the same amino acid, such a methionine and valine, using identical anticodons remains non-ambiguous

A. Redundancy of the genetic code

B. Degeneracy of the genetic code

C. Complementary base pairing between codons and anticodons

D. The presence of start and stop codons in the mRNA

Ans: Degeneracy of the genetic code

Ques 3. In males, the penis is analogous to which structure in females?

A. Urethra

B. Labia majora

C. Clitoris

D. Vagina

Ans: Clitoris

Ques 4. Which of the following enzymes is secreted by the urinary bladder?

A. Amylase

B. Urease

C. Renin

D. The urinary bladder does not typically secrete enzyme

Ans: The urinary bladder does not typically secrete enzyme

Ques 5. Which of the following statements about pollen grains is incorrect?

A. Pollen grains develop from megaspores.

B. Pollen grains contain two cells: a generative cell and a tube cell.

C. Pollen grains are released from the stigma during pollination.

D. Pollen grains play a crucial role in the reproductive process of seed plants

Ans: Pollen grains develop from megaspores.

Ques 6. Which of the following statements is correct regarding the number of codons and their degeneracy?

A. There are 20 codons, and all of them exhibit degeneracy

B. There are 64 codons, and none of them exhibit degeneracy

C. There are 64 codons, and some of them exhibit degeneracy

D. There are 20 codons, and none of them exhibit degeneracy

Ans: There are 64 codons, and some of them exhibit degeneracy

Ques 7. Which of the following is an emulsion?

A. Butter

B. mist

C. Milk

D. Jellies

Ans: C) Milk

Ques 8. When a stem of a plant is cut a few inches above the soil and xylem sap is seen flowing out through the cut end, this exudation is

considered evidence for the existence of root pressure. Who proposed the theory of root pressure?

A Robert Hooke

B Stephen Hales

C Joseph Priestley

D Gregor Mendel

Ans. C

Ques 9. What is the transforming principle in Griffith's experiment?

A. A protein that transfers genetic information

B. A polysaccharide coat present in S-strain bacteria

C. A substance that can transfer genetic material from one bacterium to another

D. A lipid molecule responsible for bacterial transformation

Ans. C

Ques 10. Who first identified the transforming principle?

A. Oswald Avery

B. Frederick Griffith

C. James Watson

D. Rosalind Franklin

Ans. C

April 22, 2024 Shift 2

Ques 1. In a family, a man with haemophilia, a genetic disorder where blood doesn't clot properly, marries a woman who is a carrier of the

gene but does not express the disorder. What is the probability that their son will have haemophilia?

A 0%

B 25%

C 50%

D 75%

Ans: C

Ques 2. Which of the following is a characteristic symptom of Down syndrome?

A. Abnormal growth of hair

B. Heart murmurs

C. Skin rash

D. Eye color changes

Ans. B

Ques 3. During puberty, how many primary follicles are typically present in the ovaries of a female?

A 2 million

B 1 million

C Thousands

D. None

Ans: C

Ques 4. The causative agent of malaria is

A. Plasmodium falciparum

B. Anopheles mosquito

C. Trypanosoma brucei

D. Entamoeba histolytica

Ans: A

Ques 5. Which virus is responsible for causing AIDS?

A. Hepatitis B virus

B. Human papillomavirus (HPV)

C. Human immunodeficiency virus (HIV)

D. Influenza virus

Ans: C

Ques 6. Which disease is primarily spread by female Anopheles mosquitoes?

A. Dengue fever

B. Malaria

C. Zika virus

D. Chikungunya

Ans: B

Ques 7. What is genomics?

A. The study of genes within an organism

B. The study of heredity and variation in organisms

C. The study of the structure and function of the genome

D. The study of the interactions between genes and the environn

Ans: A

Ques 8. Molecular scissor of genetic engineering?

A. DNA Ligase

B. Ligase

C. Restriction endonuclease

D. RNA Polymerase

Ans: C

Ques 9. _____ is also called terror of Bengal.

A. Pistia

B. Eichhornia

C. Water hyacinth

D. Both (b) and (C)

Ans: D

Ques 10. Which amino acids are histones rich in, facilitating their interaction with DNA ?

A. Glycine and proline

B. Lysine and arginine

C. Alanine and serine

D. Aspartic acid and glutamic acid

Ans: B

Ques 11. Leaf cutting is done successfully in which of. The following plant _______ .

A. rose

B. blackberry

C. sansvieria

D. Bougainvillea

Ans: C

Ques 12. How many ATP molecules are needed as an initial investment in the glycolytic cycle (normal glycolysis)?

A. 1

B. 2

C. 3

D. 4

Ans: B

Ques 13. Total genetic content of an organism is called

A. Gene pool

B. Genetic drift

C. Gene frequency

D. Gene mutation

Ans: A

Ques 14. Theca interna releases which hormone

A Progesterone

B Estrogen

C LH

D FSH

Ans: B

Ques 15. Which of the following is an example of an outbreeding device in plants?

A. Cleistogamy

B. Autogamy

C. Xenogamy

D. Geitonogamy

Ans: C

Ques 16. Which of the following techniques is commonly used to introduce herbicide resistance into plants ?

A. RNA interference

B. CRISPR-Cas9 gene editing

C. Polymerase chain reaction (PCR)

D. Agrobacterium-mediated gene transfer

Ans: D

Ques 17. Which microorganism is use in yoghurt production

A. streptococcus thermophilus

B. ststreptococcus penicillium

C. penicillium roqueforti

D. aspergillus niger

Ans: A

Ques 18. If p is the magnitude of linear momentum of a particle executing a uniform circular motion then the ratio of centripetal force

acting on the particle to its linear momentum is given by

Ans: v/r

Ques 19. An e.m.f of 5 volt is produced by a self inductance when the current changes at a steady rate from 3A to 2A in 1 millisecond the

value of self inductance is

Answer: L = 5 * 10 ^ - 3

Ques 20. Two monkeys off mass 10 kg and 8 kg are moving along a vertical light rope the former climbing up with an acceleration of 2

m/second square while the latter coming down with a uniform velocity of 2 m/sec square find the tension in the rope at the fixed support

Ans: 184N

Ques 21. "Water is flowing through a horizontal pipe in stream line flow at the narrowest part of the pipe?

A. velocity is maximum and pressure is minimum

B. pressure is maximum and velocity is minimum

C. both pressure and velocity are minimum

D. both pressure and velocity are maximum"

Ans: A

Ques 22. "The height from earth's surface at which acceleration due to gravity becomes g/ where g is acceleration due to gravity on the

surface of earth and R is radius of earth?

A. √2R

B. R

C. R/√2

D. 2R

Ans: B

Ques 23. How many steps are there in the process of glycolysis, the metabolic pathway that converts glucose into pyruvate ?

A. 6

B. 8

C. 10

D. 12

Ans: C

Ques 24. Correct sequence in water absorption by root hairs.

A. Imbibition, diffusion, osmosis

B. Osmosis, imbibition, diffusion

C. Diffusion, imbibition, osmosis

D. Osmosis, diffusion, imbibition

Ans: A

Ques 25. Anneling process of PCR is performed at ___ temperature

A. 90-98°C

B. 40-60°C

C. 70-75°C

D. 20-25°C

Ans: B

Ques 26. Which of the following flowers is most likely to be pollinated by birds ?

A. A flower with a long, tubular shape and bright red color

B. A flower with a strong fragrance and white petals

C. A flower that opens only at night and emits a strong scent

D. A flower with small, inconspicuous petals and a dull color

Ans: A

Ques 27. Bond present between two nucleotides on single strand of DNA is

A. Phosphodiester bond

B. Hydrogen bond

C. Glycosidic bond

D. Covalent bond

Ans: A

April 23, 2024 Shift 2

Physics Questions

Ques 1. Find the ratio of K.E. and P.E. when a particle performs SHM when it is at (1 / n) times of its amplitude from mean position.

A. n2 / 2

B. n2 + 1

C. N2 - 1

D. n2

Ans. C

Ques 2. Two spheres are given that r = 10 cm and distance between them is 20 cm and axis is passing between the middle of the distance.

What is the moment of inertia?

Ans. 14/5 MR2

Ques 3. Safety speed for vehicle moving along curved horizontal banked road.

Ans. V =√ (rgtanθ)

Ques 4. In hydrosere succession, which stage comes just before the sedge meadow stage?

A. Rooted submerged stage

B. Phytoplankton stage

C. Reed swamp stage

D. Climax stage

Ans. C

Ques 5. The maximum kinetic energy of the photoelectrons varies.

Ans. K.E ∝ 1/λ

Ques 6. If L is the inductance and R is the resistance then the unit of L/R is:

Ans. Sec.

Ques 7. A lift weighing 250 kg is to be lifted up at a constant velocity of 0.20m what would be the minimum horsepower of the motor to be

used.

Ans. 0.66 hp

Ques 8. A large number of bullets are fired in all directions with same speed v. What is the maximum area on the ground on which these

bullets will spread.

Ans. A= π (u2/g)2

Biology Questions

Ques 1. Which of the following best describes sympatric speciation ?

A. Speciation that occurs due to geographic isolation

B. Speciation that occurs in the same geographic region without physical separation

C. Speciation that occurs due to migration to a new habitat

D. Speciation that occurs through gradual accumulation of small changes over time

Ans. B

Ques 2. Which of the following causes typhoid fever ?

A. Salmonella typhi

B. Mosquito

C. Plasmodium

D. Nicotine

Ans. A

Ques 3. Which scientists are credited with proposing the transpiration pull theory, also known as the cohesion-tension theory?

A. Charles Darwin and Francis Darwin

B. Stephen Hales

C. Henry Dixon and John Joly

D. Ernst Münch

Ans. D

Ques 4. Between which among the following, the relationship is not an example of common syllogism

A. Orchid and the tree on which it grows

B. Cattle egret and grazing cattle

C. Sea anemone and clown fish

D. Female wasp and fig species

Ans. D

Ques 5. How do most arthropods circulate nutrients and gases throughout their bodies ?

A. Open circulatory system

B. Closed circulatory system

C. No circulatory system

D. Diffusion through body tissues

Ans. A

Ques 6. What is the movement of cytoplasm within a cell called ?

A. Endocytosis

B. Exocytosis

C. Cytokinesis

D. Cytoplasmic streaming

Ans. D

Ques 7.

Assertion : Insects are important pollinators for many flowering plants.

Reasoning : Insects visit flowers to obtain nectar or pollen, and in the process, they inadvertently transfer pollen from one flower to another,

facilitating cross - pollination.

A. Both the assertion and reasoning are correct, and the reasoning correctly explains the assertion

B. Both the assertion and reasoning are correct, but the reasoning does not correctly explain the assertion

C. The assertion is correct, but the reasoning is incorrect

D. Both the assertion and reasoning are incorrect

Ans. A

Ques 8. How many times does oxidation occur in the Krebs cycle of cellular respiration ?

A. Once

B. Twice

C. Three times

D. Four times

Ans. D

Ques 9. How many water molecules are released as byproduct in the Krebs cycle of cellular respiration ?

A. One

B. Two

C. Three

D. Four

Ans. B

Ques 10. During which phase of its life cycle does the Plasmodium parasite enter the human body when a female Anopheles mosquito

bites a human ?

A. Sporozoite phase

B. Merozoite phase

C. Gametocyte phase

D. Trophozoite phase

Ans. A

Ques 11. Which of the following structures is responsible for the production of sperm in the male reproductive system ?

A. Prostate gland

B. Seminal vesicles

C. Epididymis

D. Testes

Ans. D

Ques 12. During double fertilization in angiosperms, which of the following events occurs ?

A. Fusion of a sperm cell with the egg cell to form a zygote, followed by fusion of another sperm cell with the polar nuclei to form endosperm

B. Fusion of a sperm cell with the egg cell to form the endosperm, followed by fusion of another sperm cell with the polar nuclei to form a zygote

C. Fusion of a sperm cell with the egg cell to form a seed, followed by fusion of another sperm cell with the polar nuclei to form

endosperm

D. Fusion of a sperm cell with the polar nuclei to form the zygote, followed by fusion of another sperm cell with the egg cell to form endosperm

Ans. A

Chemistry Questions

Ques 1. IUPAC Name of Acetone is

Ans. propan-2-one

Ques 2. IUPAC name of Glyceraldehyde is

Ans. 2,3-dihydroxypropanal

Ques 3. Find the time required to complete a reaction 90 %.if the reaction is completed 50% in 15 minutes

Ans. 47.57 minutes

Ques 4. Magnetic Moment of Mn 2+ is

Ans. 5.9

April 24, 2024 Shift 2

Biology

Ques 1. Phenylketonuria is caused by

Ans. Phenylalanine hydroxylase (PAH)

Ques 2. Arrange meninges in outer to inner order

Ans. Dura mater, Arachnoid, Pia mater

Ques 3. Which hormones do stimulate the production of pancreatic juice and bicarbonate?

Ans. Cholecystokinin (CCK) and secretin

Ques 4. Arrange the following menstrual phases in order.

Ans. Menstruation, Follicular phase, Ovulation and Luteal phase

Ques 5. Last electron acceptor in ETS is

Ans. Oxygen (02)

Ques 6. Which of the following reverse the apical dominance.

1.Auxin

2. Cytokinin

3. Gibberellin.

Ans. 2) Cytokinin

Ques 7. From where female gametophyte does not developed from

A. megaspore mother cell

B. nucellus

C. megaspore

D. microspre mother cell

Ans. D

Ques 8. Inorganic phosphate involved in which step of respiration ?

Ans. Glycolysis

Physics

Ques 1. A vessel completely filled with water has holes A and B at depths h and 3h from the top respectively Hole A is a square of side L

and B is circle of radius r the water flowing out per second from both the holes is same then L is equal to

Ans. L= 31/4 π1/2 r

Ques 2. A cylinder of fixed capacity 67.2 litres contains helium gas at STP the amount of heat needed to rise the temperature of the gas in

the cylinder by 20° C is

Ans. 747.9 J

Chemistry

Ques 1. Affinity of Hb towards CO, CO₂, O₂ (Arrange in increasing order).

Ans. CO> CO₂> O₂

Ques 2. Boron has two isotopes with atomic masses 10 and 11 if it's average atomic mass is 10.81 the abundance of lighter isotope is

Ans. 19

April 27, 202 Shift 1

Biology Questions

Ques. Question related to Chemical Coordination: Hormones.

Ques. Question related to Bacterial DNA : Avery-MacLeod-McCarty experiment.

Ques. Question related to Bacteriophage: Hershey-Chase experiment.

Ques. Question related to Ecological Succession.

Ques. Question related to Pulmonary Artery.

Ques. Aldose: What type of monosaccharides are fructose and glucose, xylose? they belong to which family based on their functional groups?

Ques. Question related to Reproduction in higher and lower plants.

Physics Questions

Ques. A metallic sphere of radius R is charged to a potential V the magnitude of the electric field at a distance r (r > R) from the centre of the sphere is

Ques. The coefficient of performance of a refrigerator is 5 if the temperature inside the freezer is -20°C the temperature of the surroundings to which it rejects heat is