Biotechnology applications in medicine — NEET Biology Questions

Practice 35 questions on Biotechnology applications in medicine from Biotechnology and its application (NCERT Class 12, Chapter 10). Free samples below — get all 35 in the app.

35 Questions Biotechnology and its application Class 12

Sample Questions — Biotechnology applications in medicine

Try 5 questions below from Biotechnology applications in medicine. Get all 35 in the MedicNEET app.

MCQ
Q4. How many chains does mature insulin contain?
  • A. One long chain
  • B. Two polypeptide chains
  • C. Three chains with zinc
  • D. Four peptide fragments
✅ Correct Answer: B
Mature insulin consists of A and B chains linked by disulfide bridges.
MCQ
Why is recombinant insulin considered human-identical?
  • A. It is extracted from human cadavers
  • B. It is secreted from T-cells
  • C. It is bound to a C-peptide
  • D. Its amino acid sequence matches human insulin
✅ Correct Answer: D
rDNA technology allows production of insulin with a sequence identical to natural human insulin.
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MCQ
In the process of insulin maturation shown, what happens to the C-peptide?
  • A. It links chains A and B
  • B. It remains part of mature insulin
  • C. It is enzymatically removed
  • D. It becomes part of the receptor
✅ Correct Answer: C
C peptide is cleaved off to produce active insulin.
MCQ
Q3. What was the source of insulin before the advent of recombinant DNA technology?
  • A. Bacterial culture
  • B. Fungal extract
  • C. Human cadavers
  • D. Pancreas of slaughtered animals
✅ Correct Answer: D
Previously, insulin was extracted from the pancreas of cattle and pigs.
MCQ
Assertion (A): Pro-insulin is active in the human body. Reason (R): Pro-insulin has both A and B chains connected by disulfide bridges.
  • A. Both A and R are true, and R is the correct explanation of A
  • B. Both A and R are true, but R is not the correct explanation of A
  • C. A is false, R is true
  • D. A is true, R is false
✅ Correct Answer: C
Pro-insulin is inactive due to the presence of the C peptide.

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