Class – Mammalia — NEET Biology Questions

Practice 20 questions on Class – Mammalia from Animal Kingdom (NCERT Class 11, Chapter 4). Free samples below — get all 20 in the app.

20 Questions Animal Kingdom Class 11

Sample Questions — Class – Mammalia

Try 5 questions below from Class – Mammalia. Get all 20 in the MedicNEET app.

MCQ
Why are mammalian kidneys significant for terrestrial adaptation?
  • A. Regulate water and salt balance
  • B. Involved in food digestion
  • C. Help in breathing.
  • D. Assist in hearing
✅ Correct Answer: A
Kidneys filter waste and help maintain internal water balance, crucial for terrestrial life.
MCQ
Which feature distinguishes mammals from birds despite both being warm-blooded?
  • A. External ears and mammary glands
  • B. Feathers and flight
  • C. Cold-blooded nature
  • D. Lungs for respiration
✅ Correct Answer: A
While both are warm-blooded, mammals possess mammary glands and external ears (pinnae), which birds lack.
👆 Want all 20 Class – Mammalia questions? Get them in the app. Download MedicNEET →
MCQ
Which of the following examples is not a mammal?
  • A. Macropus
  • B. Ornithorhynchus
  • C. Camelus
  • D. Chelone
✅ Correct Answer: D
Chelone is a reptile; the others are all mammals.
MCQ
Why do mammals require a four-chambered heart while reptiles can function with a three-chambered one?
  • A. Mammals are cold-blooded while reptiles are warm blooded
  • B. Reptiles have gills for respiration and therefore have reduced need
  • C. Mammals need complete separation of oxygenated and deoxygenated blood
  • D. Reptiles are larger in size
✅ Correct Answer: C
Mammals are endothermic and require efficient oxygen delivery for high metabolic rates, necessitating a four-chambered heart. Reptiles (except crocodiles) have a three-chambered heart allowing some mixing.
MCQ
What adaptive significance does hair/fur provide in mammals?
  • A. Helps in flying
  • B. Reduces water loss
  • C. Maintains body temperature
  • D. Aids in digestion
✅ Correct Answer: C
Hair and fur provide insulation, allowing mammals to regulate body heat and survive in varied environments.

Practice All 20 Questions from Class – Mammalia

You've seen 5 sample questions. Get all 20 with detailed NCERT-mapped explanations in the MedicNEET app.

📲 Download MedicNEET Free
Available on Android • 12,771 Biology Questions • 3 Formats
📲 Download MedicNEET — 12,771 Biology Questions