NEET UG 2021 · Zoology · Question 155
NEET 2021 Zoology, question 155
Question 155 of the NEET 2021 paper (code O1) is a Zoology question from Biotechnology and its Applications. Its idea, Insulin Maturation Process, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 1.
Updated 2026-10-08
Q155 · Zoology
With regard to insulin choose correct options.
(a) C-peptide is not present in mature insulin.
(b) The insulin produced by rDNA technology has C-peptide.
(c) The pro-insulin has C-peptide.
(d) A-peptide and B-peptide of insulin are interconnected by disulphide bridges.
Choose the correct answer from the options given below.
- 1(a), (c) and (d) onlyOfficial answer
- 2(a) and (d) only
- 3(b) and (d) only
- 4(b) and (c) only
Official answer: option 1 · NTA final answer key
Same idea
The only question on Insulin Maturation Process
No other NEET paper from 2017–2026 tested this exact idea.
Insulin Maturation Process: every question and how it was framed
The chapter
Biotechnology and its Applications in ten years of NEET
24 questions from 2017–2026, asked in 9 of 10 papers, about 2.3 a paper. Genetically Engineered Insulin alone had 4.