NEET UG Zoology Previous Year Questions with Solutions

1

During PCR, primers bind to the DNA strands in the __________ step.

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2

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R . Assertion A : In recombinant DNA technology, lysozyme is used for disrupting

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3

Which of the following statements are not true regarding restriction endonucleases ? A. They are called molecular scissors. B. These are the enzymes responsible for restricting the

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4

The WBC count of a person's blood sample is 8000 /cu.mm. How many eosinophils and lymphocytes would be in the same blood sample approximately ?

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5

Which of the following statements is incorrect ?

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6

The opening between the right atrium and the right ventricle is guarded by __________.

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7

Match List I with List II : List I (Respiratory Volume) List II (Capacity in mL) A. ERV (Expiratory Reserve Volume) I. 2500 - 3000 mL B. RV (Residual Volume) II. 500 mL C. IRV (Ins

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8

In humans, respiration occurs in the following steps. Arrange these steps in the correct order. A. Diffusion of O ₂ and CO ₂ between blood and tissues. B. Diffusion of O ₂ and CO ₂

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9

Sponges exchange O₂ with CO₂ by __________.

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10

Which one of the following statements is incorrect ?

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11

Match List I with List II : List I List II A. Cortisol I. Stimulates the formation of alveoli in mammary glands B. Aldosterone II. Produces anti-inflammatory reactions C. Cholecyst

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12

Match List-I with List-II . List-I List-II A. Excess growth hormone I. Reabsorption of water and electrolytes in kidney B. Luteinizing hormone II. Contraction of uterus during chil

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13

Select the correct sequential steps regarding absorption of fatty acids and glycerol, in intestine. (A) Micelles are reformed into small protein coated fat globules called chylomic

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14

Match List I with List II . List I (Cells) List II (Secretion) A. Peptic cells I. Mucus B. Goblet cells II. Bile juice C. Oxyntic cells III. Proenzyme pepsinogen D. Hepatic cells I

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15

Once the undigested and unabsorbed substances enter the caecum, their backflow is prevented by-

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16

Which of the following statements about the reabsorption process in Henle's loop are correct ? (a) The descending limb of Henle's loop is permeable to water but almost impermeable

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17

The JGA (Juxta Glomerular Apparatus) is a special sensitive region formed by cellular modifications in ____________ related to the same nephron.

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18

Arrange the following events occurring in Renin-Angiotensin mechanism in the correct order : A. Increase in blood pressure and Glomerular filtration rate. B. Reabsorption of Na ⁺ a

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19

Which of the following structure is not a part of the male reproductive system ?

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20

Spermatogonia undergo a series of cell divisions to produce sperms. Select the correct statements from the following : A. Spermatogonia always undergo meiotic cell division. B. Pri

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21

Which of the following hormone is not secreted by human placenta ?

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22

Which of the following represents the correct sequence of arrangement of bones in the lower limb of humans ?

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23

The number of vertebrae in a human is __________.

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24

Which of the following statements are correct with reference to human endoskeleton ? A. Human skull is monocondylic. B. The joint between any two adjoining vertebrae is a cartilagi

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25

Which of the following statements about lac-operon is correct ?

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26

Which of the following enzymes synthesizes precursor mRNA ?

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27

Which of the following statements are correct with reference to a transcription unit ? A. A transcription unit in DNA is defined primarily by three regions : promoter, structural g

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28

Muscle contraction is initiated by a signal sent by the central nervous system through the release of __________.

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29

The specific receptors for neurotransmitters in a synapse are present on :

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30

Which of the following is not a part of human central neural system ?

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31

Match List-I with List-II . List-I List-II A. Both species are harmed I. Predation B. One species is harmed and the other is benefited II. Mutualism C. Both species are benefited I

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32

Choose the correct statements regarding population interactions between two species. A. In both parasitism and commensalism, only one species benefits and the other species is harm

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33

Which of the following equations depicts Verhulst-Pearl logistic population growth ?

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34

Choose the correct statement regarding GIFT to overcome infertility.

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35

Match List I with List II : List I List II A. Progestasert I. Barrier made of rubber used by females B. Multiload 375 II. Oral contraceptive C. Diaphragm III. Hormone releasing IUD

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36

The method of directly of injecting a sperm into ovum in assisted reproductive technology is called :

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37

Male frogs can be distinguished from female frogs due to the presence of : A. Bulging eyes B. Vocal sacs C. Webbed digits in feet D. Copulatory pad on first digit of fore limbs E.

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38

Choose the correct statements regarding frog's anatomy : A. Hepatic portal system is the special venous connection between liver and intestine. B. There are twelve pairs of cranial

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39

In frogs, the number of pairs of cranial nerves arising from the brain are __________.

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40

The inactive form of Bt toxin is converted to the active form in the insect gut __________.

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NEET UG Zoology PYQs with solutions

Molecular Basis of Inheritance

Principles of Inheritance and Variation

Human Reproduction

Human Health and Diseases

Biotechnology - Principles and Processes

Organisms and Populations

Chemical Coordination and Integration

Evolution

Structural Organisation in Animals

Body Fluids and Circulation

Locomotion and Movement

Biotechnology and Its Applications

Breathing and Exchange of Gases

Excretory Products and their Elimination

Microbes in Human Welfare

Neural Control and Coordination

Reproductive Health

Digestion and Absorption

Strategies for Enhancement in Food Production

Chapter

During PCR, primers bind to the DNA strands in the __________ step.

Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R . Assertion A : In recombinant DNA technology, lysozyme is used for disrupting

Which of the following statements are not true regarding restriction endonucleases ? A. They are called molecular scissors. B. These are the enzymes responsible for restricting the

The WBC count of a person's blood sample is 8000 /cu.mm. How many eosinophils and lymphocytes would be in the same blood sample approximately ?

Which of the following statements is incorrect ?

The opening between the right atrium and the right ventricle is guarded by __________.

Match List I with List II : List I (Respiratory Volume) List II (Capacity in mL) A. ERV (Expiratory Reserve Volume) I. 2500 - 3000 mL B. RV (Residual Volume) II. 500 mL C. IRV (Ins

In humans, respiration occurs in the following steps. Arrange these steps in the correct order. A. Diffusion of O ₂ and CO ₂ between blood and tissues. B. Diffusion of O ₂ and CO ₂

Sponges exchange O₂ with CO₂ by __________.

Which one of the following statements is incorrect ?

Match List I with List II : List I List II A. Cortisol I. Stimulates the formation of alveoli in mammary glands B. Aldosterone II. Produces anti-inflammatory reactions C. Cholecyst

Match List-I with List-II . List-I List-II A. Excess growth hormone I. Reabsorption of water and electrolytes in kidney B. Luteinizing hormone II. Contraction of uterus during chil

Select the correct sequential steps regarding absorption of fatty acids and glycerol, in intestine. (A) Micelles are reformed into small protein coated fat globules called chylomic

Match List I with List II . List I (Cells) List II (Secretion) A. Peptic cells I. Mucus B. Goblet cells II. Bile juice C. Oxyntic cells III. Proenzyme pepsinogen D. Hepatic cells I

Once the undigested and unabsorbed substances enter the caecum, their backflow is prevented by-

Which of the following statements about the reabsorption process in Henle's loop are correct ? (a) The descending limb of Henle's loop is permeable to water but almost impermeable

The JGA (Juxta Glomerular Apparatus) is a special sensitive region formed by cellular modifications in ____________ related to the same nephron.

Arrange the following events occurring in Renin-Angiotensin mechanism in the correct order : A. Increase in blood pressure and Glomerular filtration rate. B. Reabsorption of Na ⁺ a

Which of the following structure is not a part of the male reproductive system ?

Spermatogonia undergo a series of cell divisions to produce sperms. Select the correct statements from the following : A. Spermatogonia always undergo meiotic cell division. B. Pri

Which of the following hormone is not secreted by human placenta ?

Which of the following represents the correct sequence of arrangement of bones in the lower limb of humans ?

The number of vertebrae in a human is __________.

Which of the following statements are correct with reference to human endoskeleton ? A. Human skull is monocondylic. B. The joint between any two adjoining vertebrae is a cartilagi

Which of the following statements about lac-operon is correct ?

Which of the following enzymes synthesizes precursor mRNA ?

Which of the following statements are correct with reference to a transcription unit ? A. A transcription unit in DNA is defined primarily by three regions : promoter, structural g

Muscle contraction is initiated by a signal sent by the central nervous system through the release of __________.

The specific receptors for neurotransmitters in a synapse are present on :

Which of the following is not a part of human central neural system ?

Match List-I with List-II . List-I List-II A. Both species are harmed I. Predation B. One species is harmed and the other is benefited II. Mutualism C. Both species are benefited I

Choose the correct statements regarding population interactions between two species. A. In both parasitism and commensalism, only one species benefits and the other species is harm

Which of the following equations depicts Verhulst-Pearl logistic population growth ?

Choose the correct statement regarding GIFT to overcome infertility.

Match List I with List II : List I List II A. Progestasert I. Barrier made of rubber used by females B. Multiload 375 II. Oral contraceptive C. Diaphragm III. Hormone releasing IUD

The method of directly of injecting a sperm into ovum in assisted reproductive technology is called :

Male frogs can be distinguished from female frogs due to the presence of : A. Bulging eyes B. Vocal sacs C. Webbed digits in feet D. Copulatory pad on first digit of fore limbs E.

Choose the correct statements regarding frog's anatomy : A. Hepatic portal system is the special venous connection between liver and intestine. B. There are twelve pairs of cranial

In frogs, the number of pairs of cranial nerves arising from the brain are __________.

The inactive form of Bt toxin is converted to the active form in the insect gut __________.