Selected MCQ

Current Question
Which enzyme breaks starch?
  • A. Lipase
  • B. Amylase
  • C. Protease
  • D. Nuclease
Correct Answer: B
Explanation:
Amylase digests starch.
Related Question 1
Which enzyme breaks hydrogen bonds in DNA?
  • A. Ligase
  • B. Helicase
  • C. Polymerase
  • D. Primase
Correct Answer: B
Explanation:
Helicase unwinds DNA strands.
Related Question 2
Which process breaks rocks?
  • A. Weathering
  • B. Fusion
  • C. Respiration
  • D. Photosynthesis
Correct Answer: A
Explanation:
Weathering disintegrates rocks.
Related Question 3
Which enzyme catalyzes RNA synthesis?
  • A. DNA polymerase
  • B. RNA polymerase
  • C. Ligase
  • D. Helicase
Correct Answer: B
Explanation:
RNA polymerase transcribes DNA.
Related Question 4
Which enzyme converts glucose to glucose-6-phosphate?
  • A. Hexokinase
  • B. Ligase
  • C. Amylase
  • D. Lipase
Correct Answer: A
Explanation:
First step of glycolysis.
Related Question 5
Which organelle contains hydrolytic enzymes?
  • A. Mitochondria
  • B. Lysosome
  • C. Golgi
  • D. Ribosome
Correct Answer: B
Explanation:
Lysosomes digest cellular waste.