A reptile moves efficiently on land partly because its body covering reduces:
Correct Answer: A. Water loss
MCQ Collection
Animal Form and Function-I MCQs
Practice Animal Form and Function-I questions with answers and explanations.
If an animal lacks a protective body covering, the immediate risk would most likely be:
Correct Answer: A. Injury, infection, and water imbalance
A zoology student compares mammalian hair and reptilian scales. Both are rich in:
Correct Answer: A. Keratin
A deep-sea fish senses faint light from bioluminescent organisms. The receptor type required is:
Correct Answer: A. Photoreceptor
In a vertebrate muscle fiber, contraction becomes impossible when actin and myosin interaction is blocked. This shows that movement depends on:
Correct Answer: A. Sliding filament mechanism
A student observes that mammalian sweat glands help cool the body. This is an example of the integument contributing to:
Correct Answer: A. Thermoregulation
A student sees a fish scale, bird feather, and mammalian hair in one practical. These are all examples of:
Correct Answer: A. Body covering adaptations
An animal with a shell can withdraw soft parts when disturbed. This behavior mainly uses shell as:
Correct Answer: A. Mechanical defense
A blood vessel stretch receptor helps regulate blood pressure. This receptor is called a:
Correct Answer: A. Baroreceptor
A student compares smooth muscle with skeletal muscle. Smooth muscle is most likely to be found in:
Correct Answer: A. Walls of internal organs
A feather is damaged in a bird, but the bone remains intact. The affected system is mainly the:
Correct Answer: A. Integumentary system
A cockroach can move its legs quickly because the exoskeleton has:
Correct Answer: A. Joints and muscle attachment points