NEET UG 2021 · Zoology · Question 173

NEET 2021 Zoology, question 173

Question 173 of the NEET 2021 paper (code O1) is a Zoology question from Animal Kingdom. Its idea, Aves, was asked 3 times, in 2018, 2021 and 2022, across NEET 2017–2026. The NTA final answer key gives option 3.

Updated 2026-10-08

Q173 · Zoology

Which one of the following organisms bears hollow and pneumatic long bones ?

1 Macropus 2 Ornithorhynchus 3 Neophron Official answer 4 Hemidactylus

Official answer: option 3 · NTA final answer key

Same idea

Aves, in other papers

NEET asked this idea 3 times, in 2018, 2021 and 2022. The other 2 questions below.

2022 Q 155 In which of the following animals, digestive tract has additional chambers like crop and gizzard ? One-line MCQ \cdot Medium 2018 Q 148 Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system. One-line MCQ \cdot Easy

Aves: 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. Chordate Classes alone had 16.

Chapter analysis Study this chapter Practise this chapter

Aves, in other papers

Animal Kingdom in ten years of NEET

Animal Kingdom: questions per paper