NEET 2018 · BiologyAves MammaliaPrevious Year Question
Identify the vertebrate group of animals characterized by crop and gizzard in its digestive system
Answer: (A) Aves. Birds (class Aves) are the only vertebrate group whose digestive tract has the additional chambers, the crop and gizzard.
- A.Aves✓
- B.Reptilia
- C.Amphibia
- D.Osteichthyes
Correct Answer
(A) Aves
Solution & Explanation
Birds (class Aves) are the only vertebrate group whose digestive tract has the additional chambers, the crop and gizzard. Reptilia, Amphibia and Osteichthyes lack these specialised chambers, so the answer is Aves. NCERT Reference: Page 49, line 43
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