Selected MCQ

Current Question
Which molecule carries genetic code to ribosome?
  • A. tRNA
  • B. mRNA
  • C. rRNA
  • D. DNA
Correct Answer: B
Explanation:
mRNA transports genetic information.
Related Question 1
Which molecule carries oxygen in muscle?
  • A. Hemoglobin
  • B. Myoglobin
  • C. Collagen
  • D. Keratin
Correct Answer: B
Explanation:
Myoglobin stores oxygen in muscle.
Related Question 2
Which molecule carries amino acids?
  • A. mRNA
  • B. rRNA
  • C. tRNA
  • D. DNA
Correct Answer: C
Explanation:
tRNA transports amino acids.
Related Question 3
Which RNA is structural component of ribosome?
  • A. mRNA
  • B. tRNA
  • C. rRNA
  • D. snRNA
Correct Answer: C
Explanation:
rRNA forms ribosomal structure.
Related Question 4
Which blood vessel carries oxygenated blood?
  • A. Vein
  • B. Artery
  • C. Capillary
  • D. Venule
Correct Answer: B
Explanation:
Arteries carry oxygen-rich blood (except pulmonary).
Related Question 5
Which molecule has highest dipole moment?
  • A. CO₂
  • B. NH₃
  • C. CH₄
  • D. BF₃
Correct Answer: B
Explanation:
NH₃ is polar with lone pair.