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Friday, 9 October

NEET UG 2021 · Zoology · Question 151

NEET 2021 Zoology, question 151

Question 151 of the NEET 2021 paper (code O1) is a Zoology question from Animal Kingdom. Its idea, Phyla Sharing Combined Features, was asked 3 times, in 2019, 2020 and 2021, across NEET 2017–2026. The NTA final answer key gives option 2.

Updated 2026-10-08

Q151 · Zoology

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.

  1. 1(a), (d) and (e) are correct
  2. 2(b), (c) and (e) are correctOfficial answer
  3. 3(c), (d) and (e) are correct
  4. 4(a), (b) and (c) are correct

Official answer: option 2 · NTA final answer key

Same idea

Phyla Sharing Combined Features, in other papers

NEET asked this idea 3 times, in 2019, 2020 and 2021. The other 2 questions below.

  • 2020 Q87Bilaterally symmetrical and acoelomate animals are exemplified by :One-line MCQ · Easy
  • 2019 Q100Consider following features : (a) Organ system level of organisation (b) Bilateral symmetry (c) True coelomates with segmentation of body…Other · Medium

Phyla Sharing Combined Features: every question and how it was framed

The chapter

Animal Kingdom in ten years of NEET

34 questions from 2017–2026, asked in 10 of 10 papers, about 3.3 a paper. Animal Kingdom: Basis of Classification and Non-chordates alone had 18.

Animal Kingdom: questions per paper

0363’173’182’194’205’212’223’234’244’254’26