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Structural Organisation in Animals — NEET UG Zoology PYQs

560 previous year questions from Structural Organisation in Animals with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

560 questionsZoologySolutions on every page
1

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.

NEET 2026 Solution View → 2

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

NEET 2026 Solution View → 3

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

NEET 2026 Solution View → 4

What is the name of the blood vessel that carries deoxygenated blood from the body to the heart in a frog?

NEET 2025 Solution View → 5

In frog, the Renal portal system is a special venous connection that acts to link :

NEET 2025 Solution View → 6

Which of the following statement is correct about location of the male frog copulatory pad?

NEET 2025 Solution View → 7

Match List I with List II : array |l|l|l|l| & List - I & & List - II A. & Squamous Epithelium & I. & Goblet cells of alimentary canal B. & Ciliated Epithelium & II. & Inner lining

NEET 2024 Solution View → 8

Which of the following is/are present in female cockroach? A. Collateral gland B. Mushroom gland C. Spermatheca D. Anal style E. Phallic gland Choose the most appropriate answer fr

NEET 2024 Solution View → 9

In which of the following connective tissues, the cells secrete fibres of collagen or elastin? A. Cartilage B. Bone C. Adipose tissue D. Blood E. Areolar tissue Choose the most app

NEET 2024 Solution View → 10

Match List I with List II related to digestive system of cockroach. array |l|l|r|l| & List I & & List II A. & The structures used for storing of food & I. & Gizzard B. & Ring of 6-

NEET 2024 Solution View → 11

Match List I with List II: array |l|l|r|l| & List I & & List II A. & array l Unicellular glandular epithelium array & I. & Salivary glands B. & Compound epithelium & II. & Pancreas

NEET 2024 Solution View → 12

Three types of muscles are given as a , b and c . Identify the correct matching pair along with their location in human body: Name of muscle/location

NEET 2024 Solution View → 13

Which of the following statements is correct about the type of junction and their role in our body?

NEET 2024 Solution View → 14

In both sexes of cockroach, a pair of jointed filamentous structures called anal cerci are present on

NEET 2024 Solution View → 15

The Cockroach is :

NEET 2023 Solution View → 16

Given below are two statements : Statement I: In cockroach, the forewings are transparent and prothoracic in origin. Statement II : In cockroach, the hind wings are opaque, leather

NEET 2023 Solution View → 17

Given below are two statements: Statement I: Goblet cells are unicellular glands. Statement II : Earwax is the secretion of exocrine gland. In the light of the above statements, ch

NEET 2023 Solution View → 18

Given below are two statements: Statement I: Ligaments are dense irregular tissue. Statement II: Cartilage is dense regular tissue. In the light of the above statements, choose the

NEET 2023 Solution View → 19

Which of the following is characteristics feature of cockroach regarding sexual dimorphism?

NEET 2023 Solution View → 20

In cockroach excretion is brought about by- A. Phallic gland B. Urecose gland C. Nephrocytes D. Fat body E. Collaterial glands Choose the correct answer from the options given belo

NEET 2023 Solution View → 21

Match List I with List II. List I List II A. Mast cells I. Ciliated epithelium B. Inner surface of bronchiole II. Areolar connective tissue C. Blood III. Cuboidal epithelium D. Tub

NEET 2023 Solution View → 22

Match List-I with List-II. Choose the correct answer from the options given below :

NEET 2023 Solution View → 23

Which of the following types of epithelium is present in the bronchioles and Fallopian tubes?

NEET 2022 Solution View → 24

Choose the correct statement about a muscular tissue:

NEET 2022 Solution View → 25

Tegmina in cockroach, arises from:

NEET 2022 Solution View → 26

Match list - I with the list - II. List- I List- II (a) Bronchioles (i) Dense regular connective tissue (b) Goblet cell (ii) Loose connective tissue (c) Tendons (iii) Glandular tis

NEET 2022 Solution View → 27

Choose the correct statements : (a) Bones support and protect softer tissues and organs (b) Weight bearing function is served by limb bones (c) Ligament is the site of production o

NEET 2022 Solution View → 28

Excretion in cockroach is performed by all, EXCEPT :

NEET 2022 Solution View → 29

Which of the following is not a connective tissue?

NEET 2022 Solution View → 30

Which of the following statements wrongly represents the nature of smooth muscle?

NEET 2021 Solution View → 31

Which of the following characteristics is incorrect with respect to cockroaches?

NEET 2021 Solution View → 32

Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitate communication with neighbouring cells via rapid transfer of ions

NEET 2021 Solution View → 33

Following are the statements about prostomium of earthworm. (a) It serves as a covering for the mouth. (b) It helps to open cracks in the soil into which it can crawl. (c) It is on

NEET 2021 Solution View → 34

Select the incorrectly matched pair from following:

NEET 2020 Solution View → 35

Match the following columns with reference to cockroaches and select the correct option: Column - I Column - II (a) Grinding of the food particles (i) Hepatic caeca (b) Secrete gas

NEET 2020 Solution View → 36

If the head of cockroach is removed, it may live for few days because

NEET 2020 Solution View → 37

Goblet cells of alimentary canal are modified from

NEET 2020 Solution View → 38

Cuboidal epithelium with brush border of microvilli is found in

NEET 2020 Solution View → 39

In cockroach, identify the parts of the foregut in correct sequence:

NEET 2020 Solution View → 40

Which one of the following is the most abundant protein in the animals?

NEET 2020 Solution View → 41

Which is not true for cockroach?

AIIMS 2019 Solution View → 42

Identify the tissue and its related function.

AIIMS 2019 Solution View → 43

Which of the following holds true for blood circulation in earthworm?

AIIMS 2019 Solution View → 44

In the given diagram of a section of bone tissue, certain parts have been indicated by alphabets. Select the answer in which these alphabets have been correctly matched with the pa

AIIMS 2019 Solution View → 45

Which cell must be present in mucus secreting organs?

AIIMS 2019 Solution View → 46

Identify the given diagram of tissue performing secretion and absorption.

AIIMS 2019 Solution View → 47

Select the correct position of testis in Periplaneta americana.

AIIMS 2019 Solution View → 48

Mach the following cell structures with their characteristic features. Select the correct option from the following

NEET 2019 Solution View → 49

The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in:

NEET 2019 Solution View → 50

Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth:

NEET 2019 Solution View → 51

Which of the following statements is incorrect?

NEET 2019 Solution View → 52

In frog, mesorchium is a thin fold of membrane extending between

AIIMS 2018 Solution View → 53

Select the option with correct matching.

AIIMS 2018 Solution View → 54

The kind of epithelium present in inner surface of bronchioles and Fallopian tubes is

AIIMS 2018 Solution View → 55

Which is the first formed tissue in the embryo?

AIIMS 2018 Solution View → 56

Presence of gills in the tadpole of frog indicates that

AIIMS 2018 Solution View → 57

Histamine is secreted by

JIPMER 2018 Solution View → 58

Which of the following features is used to identify a male cockroach from a female cockroach?

NEET 2018 Solution View → 59

The figure shows different human tissues labelled as A to D . Which option gives the correct identification of the label, its location and one feature?

AIIMS 2017 Solution View → 60

Dense regular connective tissue is present in

JIPMER 2017 Solution View → 61

Select the correct route for the passage of sperms in male frogs.

NEET 2017 Solution View → 62

Frog's heart when taken out of the body continues to beat for sometime. Select the best option from the following statements: (i) Frog is a poikilothermic (ii) Frog does not ha

NEET 2017 Solution View → 63

Pseudostratified epithelium is found in

AIIMS 2016 Solution View → 64

Assertion : Gap junctions perform cementing function to keep the neighbouring cells together. Reason : Tight junctions facilitate the cells to communicate with each other by connec

AIIMS 2016 Solution View → 65

In male cockroaches, sperms are stored in which part of the reproductive system?

NEET 2016 Solution View → 66

Which of the following features is not present in Periplaneta americana ?

NEET 2016 Solution View → 67

Smooth muscles are

NEET 2016 Solution View → 68

Which type of tissue is correctly paired with its location?

NEET 2016 Solution View → 69

Assertion: The nymph of a cockroach undergoes moulting several times. Reason : There is gradual metamorphosis in cockroach.

AIIMS 2015 Solution View → 70

Assertion : Blood in cockroach is colourless haemolymph with no respiratory pigment. Reason : Respiration in cockroach occurs through diffusion in haemolymph.

AIIMS 2015 Solution View → 71

The function of the gap junction is to:

NEET 2015 Solution View → 72

Erythropoiesis starts in:

NEET 2015 Solution View → 73

The terga, sterna and pleura of cockroach body are joined by:

NEET 2015 Solution View → 74

Select the incorrect statement

AIIMS 2014 Solution View → 75

Refer the given figure of digestive system of earthworm and identify the part labelled X .

AIIMS 2014 Solution View → 76

Six highly chitinous plate-like teeth are found in of cockroach

JIPMER 2014 Solution View → 77

Which of the following tissue is a vascular?

JIPMER 2014 Solution View → 78

Choose the correctly matched pair:

NEET 2014 Solution View → 79

Choose the correctly matched pair:

NEET 2014 Solution View → 80

Intercalated discs are characteristic of muscles found in

AIIMS 2013 Solution View → 81

Assertion : A mutual exchange of sperms occurs between two earthworms during mating. Reason : Mature sperms and egg cells and nutritive fluid are deposited in cocoons produced by g

AIIMS 2013 Solution View → 82

Achondroplasia is a disease related with the defect in the formation of

JIPMER 2013 Solution View → 83

Match the items of column I with column II and choose the correct option from the codes given below. array ll|ll & Column I & & Column II A. & Neuron & 1. & Ossein B. & Bone-matrix

JIPMER 2013 Solution View → 84

Which of the following cells in earthworm play a role similar to liver in vertebrates?

JIPMER 2013 Solution View → 85

Yellow bone marrow is found specially in the medullary cavity

JIPMER 2013 Solution View → 86

What will happen if ligaments are torn?

JIPMER 2013 Solution View → 87

Identify the tissue shown in the diagram and match with its characteristics and its location.

NEET 2013 Solution View → 88

Which one of the following is one of the paths followed by air or O ₂ during respiration in the adult male Periplaneta americana as it enters the animal body?Spiracle in metathorax

NEET 2013 Solution View → 89

Select the correct option with respect to cockroaches.

NEET 2013 Solution View → 90

What external changes are visible after the last moult of a cockroach nymph?

NEET 2013 Solution View → 91

Which of the following is correct regarding respiration in adult frog?

AIIMS 2012 Solution View → 92

Assertion : Frog can change its colour, according to its surroundings. Reason : It is a way of mimicry to capture preys.

AIIMS 2012 Solution View → 93

What is common between earthworm and Periplaneta?

AIIMS 2012 Solution View → 94

Blood is a kind of

JIPMER 2012 Solution View → 95

Pheretima and its close relatives derive nourishment from

NEET 2012 Solution View → 96

Compared to those of humans, the erythrocytes in frog are

NEET 2012 Solution View → 97

The four sketches (I, II, III and IV) given below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its

NEET 2012 Solution View → 98

Given below is the diagrammatic sketch of a certain type of connective tissue. Identify the parts labelled A, B, C and D, and select the right option about them

NEET 2012 Solution View → 99

Select the correct statement from the ones given below with respect to Periplaneta americana.

NEET 2012 Solution View → 100

The supportive skeletal structures in the human external ears and in the nose tip are examples of

NEET 2012 Solution View → 101

Tendon and ligament are example of

AIIMS 2011 Solution View → 102

Which of the following is a correct match?

AIIMS 2011 Solution View → 103

Assertion : Blood in cockroach is colourless haemolymph with no respiratory pigment. Reason : Respiration in cockroach occurs through diffusion in haemolymph.

AIIMS 2011 Solution View → 104

Stratified epithelium is found in

JIPMER 2011 Solution View → 105

In mammals, histamine is secreted by

JIPMER 2011 Solution View → 106

The ciliated columnar epithelial cells in humans are known to occur in

NEET 2011 Solution View → 107

Which one of the following structures in pheretima is correctly matched with its function?

NEET 2011 Solution View → 108

Frogs differ from humans in possessing

NEET 2011 Solution View → 109

The cells lining the blood vessels belong to the category of

NEET 2011 Solution View → 110

Consider the following four statements (I-IV) related to the common frog Rana tigrina, and select the correct option stating which ones are true (T) and which ones are false ( F )

NEET 2011 Solution View → 111

Which of the following is correctly states as it happens in the common cockroach?

NEET 2011 Solution View → 112

One very special feature in the earthworm Pheretima is that

NEET 2011 Solution View → 113

Microvilli of intestinal epithelium are similar in function with

AIIMS 2010 Solution View → 114

The type of epithelial cells which line the inner surface of Fallopian tubes, bronchioles and bronchi are known as

AIIMS 2010 Solution View → 115

Assertion : Pharyngeal nephridia play a role in the conservation of water in the earthworm. Reason : They help the earthworm in keeping the skin moist for cutaneous respiration.

AIIMS 2010 Solution View → 116

Assertion : In cockroach respiratory gases directly comes in contact with the various organs of the body. Reason : Cockroaches do not have respiratory pigment.

AIIMS 2010 Solution View → 117

The blood of cockroach contains no respiratory pigment. It means that

JIPMER 2010 Solution View → 118

The velocity of conduction of nerve impulse in frog is

JIPMER 2010 Solution View → 119

Sciatic vein of frog opens in

JIPMER 2010 Solution View → 120

The kind of epithelium which forms the inner walls of blood vessels is

NEET 2010 Solution View →
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