Animal physiology and adaptations MCQs

By: Prof. Dr. Fazal Rehman Shamil | Last updated: September 12, 2024

1. What is the primary function of the integumentary system in animals?
a) Circulation
b) Protection
c) Digestion
d) Respiration
Answer: b) Protection

2. Which of the following animals is known for its ability to undergo estivation to survive extreme heat?
a) Polar bear
b) Kangaroo rat
c) African lungfish
d) Penguin
Answer: c) African lungfish

3. In mammals, which organ is primarily responsible for filtering blood and producing urine?
a) Liver
b) Stomach
c) Kidneys
d) Lungs
Answer: c) Kidneys

4. What adaptation helps camels survive in desert environments?
a) Thick fur
b) Hibernation
c) Fat stored in humps
d) Webbed feet
Answer: c) Fat stored in humps

5. Which type of adaptation allows Arctic foxes to survive in cold environments?
a) Thick fur and fat layers
b) Long legs for running
c) Bright coloration for camouflage
d) Slim bodies for heat dissipation
Answer: a) Thick fur and fat layers

6. What physiological process is used by animals to regulate their body temperature?
a) Photosynthesis
b) Thermoregulation
c) Metamorphosis
d) Osmoregulation
Answer: b) Thermoregulation

7. Which animal adaptation is primarily used for avoiding predators?
a) Hibernation
b) Camouflage
c) Estivation
d) Photosynthesis
Answer: b) Camouflage

8. Which of the following is an example of a behavioral adaptation in animals?
a) Sharp claws
b) Fur coloration
c) Bird migration
d) Thick skin
Answer: c) Bird migration

9. What is the primary advantage of the counter-current heat exchange system in some animals?
a) Enhancing oxygen absorption
b) Reducing water loss
c) Preventing overheating
d) Conserving body heat
Answer: d) Conserving body heat

10. How do desert animals like the kangaroo rat minimize water loss?
a) By sweating profusely
b) By producing highly concentrated urine
c) By drinking large amounts of water
d) By living near water sources
Answer: b) By producing highly concentrated urine

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