Sample Questions — Class – Aves
Try 5 questions below from Class – Aves. Get all 30 in the MedicNEET app.
MCQ
Birds excrete nitrogenous waste primarily as:
✅ Correct Answer: A
Birds are uricotelic and excrete nitrogenous wastes as uric acid to conserve water.
MCQ
What role do feathers play in bird physiology?
✅ Correct Answer: D
Feathers help birds fly and also provide insulation to maintain constant body temperature.
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MCQ
Birds lay eggs with hard shells. What is the primary adaptive benefit?
✅ Correct Answer: A
Hard, calcareous shells prevent water loss, allowing successful reproduction in terrestrial environments.
MCQ
How does the heart structure of birds support their high metabolic rate?
✅ Correct Answer: A
Birds have a 4-chambered heart which keeps oxygenated and deoxygenated blood separate, supporting their active, high-energy lifestyle.
MCQ
Which of the following statements about birds is/are correct?
I. Their skeleton is made of compact, solid bones.
II. They have 4-chambered hearts.
III. Air sacs help in respiration.
IV. Their forelimbs are adapted for grasping.
✅ Correct Answer: A
Birds have pneumatic (not solid) bones and wings instead of grasping forelimbs. They do have 4-chambered hearts and air sacs.
Practice All 30 Questions from Class – Aves
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