NEET Animal Kingdom PYQ practice sheet

20 previous-year NEET Zoology questions from Animal Kingdom, newest papers first. Animal Kingdom carries 38 of the Zoology questions in NEET 2020 to 2026, so this is a good place to test yourself after revising the chapter. Marking: +4 correct, −1 wrong.

Practise all 24 online

1.
RE-NEET 2026
Given below are two statements : Statement I : When any plane passing through the central axis of the body divides the organism into two identical halves, it is called radial symmetry. Statement II : In phylum Echinodermata, both adults and larvae are radially symmetrical. In the light of the above statements, choose the most appropriate answer from the options given below :
- (A)
  Both Statement I and Statement II are correct
- (B)
  Both Statement I and Statement II are incorrect
- (C)
  Statement I is correct but Statement II is incorrect
- (D)
  Statement I is incorrect but Statement II is correct
2.
RE-NEET 2026
Given below are two statements: Statement I : The class name Reptilia refers to creeping or crawling mode of locomotion. Statement II : All organisms belonging to Reptilia have three chambered heart. In the light of the above statements, choose the most appropriate answer from the options given below:
- (A)
  Both Statement I and Statement II are correct
- (B)
  Both Statement I and Statement II are incorrect
- (C)
  Statement I is correct but Statement II is incorrect
- (D)
  Statement I is incorrect but Statement II is correct
3.
RE-NEET 2026
Which of the following is not a characteristic of chordates?
- (A)
  Absence of gills
- (B)
  Presence of post anal part (tail)
- (C)
  Presence of notochord
- (D)
  Central nervous system is dorsal
4.
NEET 2026
A group of researchers procured some fish like animals and upon investigation the following characters were observed: A. Endoskeleton was made of cartilage. B. Ectoparasitic; as they were found attached on fish skin with their circular sucking mouth. C. Paired fins and scales were absent, but 7 pairs of gill slits were present. Which of the following species of animals did they consider to fit best with these characters?
- (A)
  Exocoetus sp.
- (B)
  Branchiostoma sp.
- (C)
  Petromyzon sp.
- (D)
  Scoliodon sp.
5.
NEET 2026
Select the set of fishes which belong to the class Osteichthyes:
- (A)
  Saw fish, Fighting fish and Dog fish
- (B)
  Flying fish, Angel fish and Fighting fish
- (C)
  Starfish, Hagfish and Cuttlefish
- (D)
  Devil fish, Cuttlefish and Hagfish
6.
NEET 2026
Select the incorrect statements from the following: A. Digestive system in Platyhelminthes is incomplete. B. Bilateral symmetry is a characteristic feature of adult Echinoderms. C. Pseudocoelom is possessed by Aschelminthes. D. Notochord is persistent throughout life in the class Chondrichthyes. E. Members of class Reptilia maintain a constant body temperature. Choose the answer from the options given below:
- (A)
  B and E only
- (B)
  A and C only
- (C)
  B and D only
- (D)
  C and D only
7.
NEET 2026
The flightless bird with forelimbs modified as paddle-like structures suited for swimming is known as:
- (A)
  Aptenodytes
- (B)
  Psittacula
- (C)
  Neophron
- (D)
  Struthio
8.
NEET 2024
Consider the following statements: A. Annelids are true coelomates B. Poriferans are pseudocoelomates C. Aschelminthes are acoelomates D. Platyhelminthes are pseudocoelomates Choose the correct answer from the options given below:
- (A)
  D only
- (B)
  C only
- (C)
  B only
- (D)
  A only
9.
NEET 2024
Match List I with List II: List-I: A. Pleurobrachia, B. Radula, C. Stomochord, D. Air bladder List-II: I. Mollusca, II. Ctenophora, III. Osteichthyes, IV. Hemichordata Choose the correct answer from the options given below:
- (A)
  A-IV, B-II, C-III, D-I
- (B)
  A-IV, B-III, C-II, D-I
- (C)
  A-II, B-I, C-IV, D-III
- (D)
  A-II, B-IV, C-I, D-III
10.
NEET 2024
Match List I with List II: List-I: A. Pterophyllum, B. Myxine, C. Pristis, D. Exocoetus List-II: I. Hag fish, II. Saw fish, III. Angel fish, IV. Flying fish Choose the correct answer from the options given below:
- (A)
  A-III, B-I, C-II, D-IV
- (B)
  A-II, B-I, C-III, D-IV
- (C)
  A-IV, B-I, C-II, D-III
- (D)
  A-III, B-II, C-I, D-IV
11.
NEET 2024
The following are the statements about non-chordates: A. Pharynx is perforated by gill slits. B. Notochord is absent. C. Central nervous system is dorsal. D. Heart is dorsal if present. E. Post anal tail is absent. Choose the most appropriate answer from the options given below:
- (A)
  A and C only
- (B)
  B, D and E only
- (C)
  A, B and D only
- (D)
  B, C and D only
12.
NEET 2023
Radial symmetry is NOT found in adults of phylum ________.
- (A)
  Echinodermata
- (B)
  Ctenophora
- (C)
  Hemichordata
- (D)
  Coelenterata
13.
NEET 2023
Select the correct statements with reference to chordates. A. Presence of a mid-dorsal, solid and double nerve cord. B. Presence of closed circulatory system. C. Presence of paired pharyngeal gillslits. D. Presence of dorsal heart. E. Triploblastic pseudocoelomate animals. Choose the correct answer from the options given below:
- (A)
  C, D and E only
- (B)
  A, C and D only
- (C)
  B and C only
- (D)
  B, D and E only
14.
NEET 2023
The unique mammalian characteristics are:
- (A)
  pinna, monocondylic skull and mammary glands
- (B)
  hairs, tympanic membrane and mammary glands
- (C)
  hairs, pinna and mammary glands
- (D)
  hairs, pinna and indirect development
15.
NEET 2022
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): All vertebrates are chordates but all chordates are not vertebrates. Reason (R): Notochord is replaced by the vertebral column in the adult vertebrates. In the light of the above statements, choose the correct answer from the options given below:
- (A)
  (A) is not correct but (R) is correct
- (B)
  Both (A) and (R) are correct and (R) is the correct explanation of (A)
- (C)
  Both (A) and (R) are correct but (R) is not the correct explanation of (A)
- (D)
  (A) is correct but (R) is not correct
16.
NEET 2021
Read the following statements. (a) Metagenesis is observed in Helminths. (b) Echinoderms are triploblastic and coelomate animals. (c) Round worms have organ-system level of body organization. (d) Comb plates present in ctenophores help in digestion. (e) Water vascular system is characteristic of Echinoderms. Choose the correct answer from the options given below.
- (A)
  (c), (d) and (e) are correct
- (B)
  (b), (c) and (e) are correct
- (C)
  (a), (d) and (e) are correct
- (D)
  (a), (b) and (c) are correct
17.
NEET 2021
Match List - I with List - II. List - I: (a) Metamerism, (b) Canal system, (c) Comb plates, (d) Cnidoblasts List - II: (i) Coelenterata, (ii) Ctenophora, (iii) Annelida, (iv) Porifera Choose the correct answer from the options given below.
- (A)
  (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
- (B)
  (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
- (C)
  (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
- (D)
  (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
18.
NEET 2021
Which one of the following belongs to the family Muscidae ?
- (A)
  Cockroach
- (B)
  House fly
- (C)
  Grasshopper
- (D)
  Fire fly
19.
NEET 2021
Which one of the following organisms bears hollow and pneumatic long bones ?
- (A)
  Neophron
- (B)
  Ornithorhynchus
- (C)
  Macropus
- (D)
  Hemidactylus
20.
NEET 2021
Match the following : Choose the correct answer from the options given below.
- (A)
  (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)
- (B)
  (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
- (C)
  (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)
- (D)
  (a)-(i), (b)-(iv), (c)-(iii), (d)-(ii)

Answer key

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