Selected MCQ

Current Question
Which system removes waste?
  • A. Digestive
  • B. Excretory
  • C. Respiratory
  • D. Circulatory
Correct Answer: B
Explanation:
Kidneys filter waste.
Related Question 1
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 2
Which system controls reflex?
  • A. Digestive
  • B. Nervous
  • C. Respiratory
  • D. Circulatory
Correct Answer: B
Explanation:
Nervous system handles reflexes.
Related Question 3
Which system exchanges gases?
  • A. Digestive
  • B. Respiratory
  • C. Circulatory
  • D. Nervous
Correct Answer: B
Explanation:
Lungs exchange gases.
Related Question 4
Which system transports nutrients?
  • A. Nervous
  • B. Circulatory
  • C. Respiratory
  • D. Digestive only
Correct Answer: B
Explanation:
Blood carries nutrients.
Related Question 5
The Hamiltonian of a system represents:
  • A. Total potential energy
  • B. Total kinetic energy
  • C. Total energy of the system
  • D. Only internal energy
Correct Answer: C
Explanation:
Hamiltonian corresponds to total energy in many systems.