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Structural Organisation in Animals

Previous year questions with solutions · 2000 – 2026

91Questions
34Papers covered
5.06% ↓54.4%Weightage in 2026
’00
’01
’02
’03
’04
’06
’07
’08
’09
’10
’11
’12
’13
’14
’15
’16
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’19
’20
’21
’22
’23
’24
’25
’26
Year-wise statistics questions · papers · average per paper · weightage
YearQuestionsPapersAvg / paperWeightage
20264225.06% ↓54.4%
202541411.11% ↑19.4%
20248249.30% ↓14%
202341410.81% ↓17.1%
2022924.513.04% ↑30.4%
202141410.00% ↑33.3%
20203137.50% ↑38.8%
20192125.41% ↑89.2%
20181112.86% ↓51.4%
20172125.88% ↑27.5%
2016321.54.62% ↑38.5%
20152213.33% ↓51.7%
20142126.90% ↑19%
20134225.80% ↓44.9%
201262310.53% ↓27.5%
2011924.514.52% ↑829%
2010120.51.56% ↓89.1%
200961614.29% ↑164.3%
20082125.41% ↑51.4%
20071113.57% ↓59.5%
20063138.82% ↑164.7%
20041113.33% ↓48.3%
20032126.45% ↓6.5%
20022126.90% ↑10.3%
20012126.25% ↓42.2%
200041410.81%

⚠ 2 of these questions are out of the current syllabus (marked on the question).

91 questions · newest paper first · page 1 of 4

1

Choose the correct statements regarding frog's anatomy: Choose the correct answer from the options given below:

  1. B and D only
  2. A, B and C only
  3. B and C only
  4. A, C and E only
NEET (UG) 2026
2

Male frogs can be distinguished from female frogs due to the presence of: Choose the correct answer from the options given below:

  1. A and B only
  2. C and E only
  3. B and D only
  4. B and C only
NEET (UG) 2026
3

In water, frogs respire using .

  1. trachea
  2. skin
  3. buccal cavity
  4. lungs
RE-NEET (UG) 2026
4

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

  1. 12
  2. 6
  3. 9
  4. 10
RE-NEET (UG) 2026
5

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

  1. Kidney and intestine
  2. Kidney and lower part of body
  3. Liver and intestine
  4. Liver and kidney
NEET (UG) 2025
6

Frogs respire in water by skin and buccal cavity and on land by skin, buccal cavity and lungs. Choose the correct answer from the following :

  1. The statement is false for water but true for land
  2. The statement is false for both the environments
  3. The statement is true for water but false for land
  4. The statement is true for both the environments
NEET (UG) 2025
7

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

  1. Pulmonary vein
  2. Vena cava
  3. Aorta
  4. Pulmonary artery
NEET (UG) 2025
8

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

  1. Second digit of fore limb
  2. First digit of the fore limb
  3. First and Second digit of fore limb
  4. First digit of hind limb
NEET (UG) 2025
9

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

  1. 5th segment
  2. 10th segment
  3. 8th and 9th segment
  4. 11th segment
NEET (UG) 2024
10

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

  1. (a) Smooth - Toes (b) Skeletal - Legs (c) Cardiac - Heart
  2. (a) Skeletal - Triceps (b) Smooth - Stomach (c) Cardiac - Heart
  3. (a) Skeletal - Biceps (b) Involuntary - Intestine (c) Smooth - Heart
  4. (a) Involuntary - Nose tip (b) Skeletal - Bone (c) Cardiac - Heart
NEET (UG) 2024
11

Match List I with List II related to digestive system of cockroach. Choose the correct answer from the options given below:

  1. A-IV, B-II, C-III, D-I
  2. A-I, B-II, C-III, D-IV
  3. A-IV, B-III, C-II, D-I
  4. A-III, B-II, C-IV, D-I
NEET (UG) 2024
12

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

  1. A-II, B-I, C-III, D-IV
  2. A-IV, B-III, C-I, D-II
  3. A-III, B-IV, C-I, D-II
  4. A-II, B-I, C-IV, D-III
NEET (UG) 2024
13

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

  1. Adhering junctions facilitate the cells to communicate with each other.
  2. Tight junctions help to stop substances from leaking across a tissue.
  3. Tight junctions help to perform cementing to keep neighbouring cells together.
  4. Gap junctions help to create gap between the cells and tissues.
RE-NEET (UG) 2024
14

Which of the following is/are present in female cockroach? Choose the most appropriate answer from the options given below:

  1. B and D only
  2. B and E only
  3. A only
  4. A and C only
RE-NEET (UG) 2024
15

In which of the following connective tissues, the cells secrete fibres of collagen or elastin? Choose the most appropriate answer from the options given below :

  1. B, C, D and E only
  2. A, B, C and E only
  3. B, C and D only
  4. A, C and D only
RE-NEET (UG) 2024
16

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

  1. A-II, B-III, C-I, D-IV
  2. A-II, B-IV, C-III, D-I
  3. A-III, B-I, C-II, D-IV
  4. A-III, B-IV, C-I, D-II
RE-NEET (UG) 2024
17

Given below are two statements: In the light of the above statements, choose the correct answer from the options given below:

  1. Both Statement I and Statement II are false
  2. Statement I is true but Statement II is false
  3. Statement I is false but Statement II is true
  4. Both Statement I and Statement II are true
NEET (UG) 2023
18

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

  1. A-II, B-III, C-I, D-IV
  2. A-II, B-I, C-IV, D-III
  3. A-III, B-IV, C-II, D-I
  4. A-I, B-II, C-IV, D-III
NEET (UG) 2023
19

In cockroach, excretion is brought about by – Choose the correct answer from the options given below :

  1. A, B and E only
  2. B, C and D only
  3. B and D only
  4. A and E only
NEET (UG) 2023
20

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

  1. Presence of anal styles
  2. Presence of sclerites
  3. Presence of anal cerci
  4. Dark brown body colour and anal cerci
NEET (UG) 2023
21

Which of the following is not a connective tissue?

  1. Blood
  2. Adipose tissue
  3. Cartilage
  4. Neuroglia
NEET (UG) 2022
22

Tegmina in cockroach, arises from

  1. Prothorax
  2. Mesothorax
  3. Metathorax
  4. Prothorax and Mesothorax
NEET (UG) 2022
23

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

  1. (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
  2. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
  3. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
  4. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
NEET (UG) 2022
24

Which of the following is present between the adjacent bones of the vertebral column?

  1. Intercalated discs
  2. Cartilage
  3. Areolar tissue
  4. Smooth muscle
Out of syllabusNEET (UG) 2022
25

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

  1. Stratified squamous epithelium
  2. Simple squamous epithelium
  3. Simple columnar epithelium
  4. Ciliated epithelium
NEET (UG) 2022 (Phase 2)
26

Choose the correct statement about a muscular tissue

  1. Smooth muscles are multinucleated and involuntary.
  2. Skeletal muscle fibres are uninucleated and found in parallel bundles.
  3. Intercalated discs allow the cardiac muscle cells to contract as a unit.
  4. The walls of blood vessels are made up of columnar epithelium.
NEET (UG) 2022 (Phase 2)
27

Match List-I with List-II regarding the organs of Cockroach: Choose the correct answer from the options given below :

  1. (a) - (i), (b) - (iv), (c) - (iii), (d) - (ii)
  2. (a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)
  3. (a) - (iii), (b) - (ii), (c) - (i), (d) - (iv)
  4. (a) - (ii), (b) - (iv), (c) - (i), (d) - (iii)
NEET (UG) 2022 (Phase 2)
28

Choose the correct statements: Choose the most appropriate answer from the options given below:

  1. A, B and E only
  2. A, B and D only
  3. B, C and E only
  4. A, C and D only
NEET (UG) 2022 (Phase 2)
29

Excretion in cockroach is performed by all, EXCEPT:

  1. Hepatic caeca
  2. Uricose glands
  3. Malpighian tubules
  4. Fat body
NEET (UG) 2022 (Phase 2)
30

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

  1. These muscles are present in the wall of blood vessels
  2. These muscles have no striations
  3. They are involuntary muscles
  4. Communication among the cells is performed by intercalated discs
NEET (UG) 2021