NEET 2022 · BiologyAves MammaliaPrevious Year Question
In which of the following animals, does the digestive tract have additional chambers like crop and gizzard?
Answer: (D) Pavo, Psittacula, Corvus. Crop and gizzard are additional chambers of the digestive tract characteristic of birds (class Aves).
- A.Corvus, Columba, Chameleon
- B.Bufo, Balaenoptera, Bangarus
- C.Catla, Columbia, Crocodilus
- D.Pavo, Psittacula, Corvus✓
Correct Answer
(D) Pavo, Psittacula, Corvus
Solution & Explanation
Crop and gizzard are additional chambers of the digestive tract characteristic of birds (class Aves). Only option D lists all birds: Pavo (peacock), Psittacula (parrot) and Corvus (crow). The other options mix in non-birds such as Chameleon (reptile), Bufo (amphibian), Balaenoptera (mammal), Bangarus (reptile), Catla (fish) and Crocodilus (reptile). Hence option D. NCERT Reference: Page 49, line 43
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