Translation — NEET Biology Questions

Practice 42 questions on Translation from Molecular Basis of Inheritance (NCERT Class 12, Chapter 5). Free samples below — get all 42 in the app.

42 Questions Molecular Basis of Inheritance Class 12

Sample Questions — Translation

Try 5 questions below from Translation. Get all 42 in the MedicNEET app.

MCQ
Q9. What is the role of release factors in translation?
  • A. Bind to start codon
  • B. Prevent tRNA from entering A-site
  • C. Recognise stop codon and release polypeptide
  • D. Extend the growing polypeptide
✅ Correct Answer: C
They terminate translation at UAA, UAG, or UGA.
MCQ
Q6. Which of the following steps requires GTP during translation?
  • A. tRNA movement between sites
  • B. Ribosome binding to DNA
  • C. Peptide bond hydrolysis
  • D. Release factor binding
✅ Correct Answer: A
GTP is used for tRNA translocation and bond formation.
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MCQ
Q3. How is the directionality of translation maintained?
  • A. Codons are read from 3′ to 5′
  • B. Anticodons are synthesized 5′ to 3′
  • C. Ribosome moves along mRNA from 5′ to 3′
  • D. Peptide bonds prevent backward movement
✅ Correct Answer: C
Ribosomes translate mRNA in the 5' to 3' direction, maintaining codon order.
MCQ
Q1. Why is tRNA called an adaptor molecule in translation?
  • A. It binds directly to DNA
  • B. It synthesizes amino acids
  • C. It acts as a link between codon and amino acid
  • D. It carries ribosomes
✅ Correct Answer: C
tRNA reads the mRNA codon through its anticodon and brings the corresponding amino acid.
MCQ
Q11. What enables tRNA to deliver the correct amino acid during translation?
  • A. Promoter
  • B. Codon redundancy and specific amino acid linkage
  • C. Ribosomal RNA and specific amino acid linkage
  • D. Complementary anticodon and specific amino acid linkage
✅ Correct Answer: D
Aminoacyl tRNA synthetase charges each tRNA with a specific amino acid.

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