Selected MCQ

Current Question
Which system controls reflex?
  • A. Digestive
  • B. Nervous
  • C. Respiratory
  • D. Circulatory
Correct Answer: B
Explanation:
Nervous system handles reflexes.
Related Question 1
Which system controls body?
  • A. Digestive
  • B. Nervous
  • C. Respiratory
  • D. Circulatory
Correct Answer: B
Explanation:
Nervous system regulates functions.
Related Question 2
Which hormone controls metabolism rate?
  • A. Insulin
  • B. Thyroxine
  • C. Adrenaline
  • D. Estrogen
Correct Answer: B
Explanation:
Thyroxine regulates metabolic rate.
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 structure controls gene expression?
  • A. DNA
  • B. RNA
  • C. Protein
  • D. All
Correct Answer: D
Explanation:
Regulation involves DNA, RNA, and proteins.
Related Question 5
Which part controls breathing?
  • A. Brainstem
  • B. Cerebrum
  • C. Heart
  • D. Lung
Correct Answer: A
Explanation:
Brainstem regulates respiration.