Selected MCQ

Current Question
Which organ detoxifies chemicals?
  • A. Heart
  • B. Liver
  • C. Kidney
  • D. Lung
Correct Answer: B
Explanation:
Liver metabolizes toxins.
Related Question 1
Which organism eats dead matter?
  • A. Producer
  • B. Herbivore
  • C. Carnivore
  • D. Decomposer
Correct Answer: D
Explanation:
Decomposers recycle nutrients.
Related Question 2
Which organ produces urine?
  • A. Kidney
  • B. Bladder
  • C. Liver
  • D. Lung
Correct Answer: A
Explanation:
Kidneys produce urine.
Related Question 3
Which factor increases acidity of organic compounds?
  • A. Electron donating groups
  • B. Electron withdrawing groups
  • C. Alkyl substitution
  • D. Decreasing electronegativity
Correct Answer: B
Explanation:
Electron-withdrawing stabilizes conjugate base.
Related Question 4
Which organism eats both plants and animals?
  • A. Herbivore
  • B. Carnivore
  • C. Omnivore
  • D. Producer
Correct Answer: C
Explanation:
Omnivores consume both.
Related Question 5
Which organ produces insulin?
  • A. Liver
  • B. Pancreas
  • C. Kidney
  • D. Heart
Correct Answer: B
Explanation:
Pancreas secretes insulin.