Selected MCQ

Current Question
Which organ stores urine?
  • A. Kidney
  • B. Bladder
  • C. Liver
  • D. Heart
Correct Answer: B
Explanation:
Bladder stores urine.
Related Question 1
Which organ produces urine?
  • A. Kidney
  • B. Bladder
  • C. Liver
  • D. Lung
Correct Answer: A
Explanation:
Kidneys produce urine.
Related Question 2
Which organ stores bile?
  • A. Liver
  • B. Gallbladder
  • C. Pancreas
  • D. Kidney
Correct Answer: B
Explanation:
Gallbladder stores bile.
Related Question 3
Which biomolecule directly stores hereditary information in most organisms?
  • A. Protein
  • B. DNA
  • C. Lipid
  • D. Polysaccharide
Correct Answer: B
Explanation:
DNA encodes genetic information in nucleotide sequence.
Related Question 4
Which organism eats dead matter?
  • A. Producer
  • B. Herbivore
  • C. Carnivore
  • D. Decomposer
Correct Answer: D
Explanation:
Decomposers recycle nutrients.
Related Question 5
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.