Selected MCQ

Current Question
Which system transports nutrients?
  • A. Nervous
  • B. Circulatory
  • C. Respiratory
  • D. Digestive only
Correct Answer: B
Explanation:
Blood carries nutrients.
Related Question 1
Which process transports water upward?
  • A. Diffusion
  • B. Osmosis
  • C. Transpiration
  • D. Active transport
Correct Answer: C
Explanation:
Transpiration pull drives ascent.
Related Question 2
Which blood protein transports iron?
  • A. Hemoglobin
  • B. Albumin
  • C. Transferrin
  • D. Fibrin
Correct Answer: C
Explanation:
Transferrin carries iron.
Related Question 3
A system with negative heat capacity is characteristic of:
  • A. Ideal gas
  • B. Black holes and self-gravitating systems
  • C. Solids
  • D. Liquids
Correct Answer: B
Explanation:
Adding energy can decrease temperature in gravitational systems.
Related Question 4
Which system controls reflex?
  • A. Digestive
  • B. Nervous
  • C. Respiratory
  • D. Circulatory
Correct Answer: B
Explanation:
Nervous system handles reflexes.
Related Question 5
Which system removes waste?
  • A. Digestive
  • B. Excretory
  • C. Respiratory
  • D. Circulatory
Correct Answer: B
Explanation:
Kidneys filter waste.