Selected MCQ

Current Question
Which organelle contains hydrolytic enzymes?
  • A. Mitochondria
  • B. Lysosome
  • C. Golgi
  • D. Ribosome
Correct Answer: B
Explanation:
Lysosomes digest cellular waste.
Related Question 1
Which layer contains clouds?
  • A. Troposphere
  • B. Stratosphere
  • C. Mesosphere
  • D. Thermosphere
Correct Answer: A
Explanation:
Weather and clouds occur in troposphere.
Related Question 2
Which layer contains ionosphere?
  • A. Troposphere
  • B. Stratosphere
  • C. Thermosphere
  • D. Mesosphere
Correct Answer: C
Explanation:
Ionosphere lies within thermosphere.
Related Question 3
Which organelle modifies proteins?
  • A. Ribosome
  • B. Golgi
  • C. Lysosome
  • D. Nucleus
Correct Answer: B
Explanation:
Golgi processes and packages proteins.
Related Question 4
Which organelle has its own DNA?
  • A. Nucleus
  • B. Mitochondria
  • C. Ribosome
  • D. Golgi
Correct Answer: B
Explanation:
Mitochondria contain circular DNA.
Related Question 5
Which organelle synthesizes lipids?
  • A. Rough ER
  • B. Smooth ER
  • C. Ribosome
  • D. Lysosome
Correct Answer: B
Explanation:
Smooth ER produces lipids.