Selected MCQ

Current Question
Which cell organelle controls activities?
  • A. Ribosome
  • B. Nucleus
  • C. Golgi
  • D. Mitochondria
Correct Answer: B
Explanation:
Nucleus regulates cell.
Related Question 1
Which hormone controls metabolism rate?
  • A. Insulin
  • B. Thyroxine
  • C. Adrenaline
  • D. Estrogen
Correct Answer: B
Explanation:
Thyroxine regulates metabolic rate.
Related Question 2
Which blood cells carry oxygen?
  • A. WBC
  • B. RBC
  • C. Platelets
  • D. Plasma
Correct Answer: B
Explanation:
Red blood cells transport oxygen.
Related Question 3
Which phase of cell cycle duplicates DNA?
  • A. G1
  • B. S
  • C. G2
  • D. M
Correct Answer: B
Explanation:
DNA synthesis occurs in S phase.
Related Question 4
Which organelle modifies proteins?
  • A. Ribosome
  • B. Golgi
  • C. Lysosome
  • D. Nucleus
Correct Answer: B
Explanation:
Golgi processes and packages proteins.
Related Question 5
Which structure controls gene expression?
  • A. DNA
  • B. RNA
  • C. Protein
  • D. All
Correct Answer: D
Explanation:
Regulation involves DNA, RNA, and proteins.