NEET UG 2023 · Zoology · Question 151
NEET 2023 Zoology, question 151
Question 151 of the NEET 2023 paper (code G6) is a Zoology question from Molecular Basis of Inheritance. Its idea, lac z, y and a Gene Products, was asked 3 times, in 2019, 2023 and 2024, across NEET 2017–2026. The NTA final answer key gives option 3.
Updated 2026-10-08
Q151 · Zoology
Match List I with List II.
| List I | List II |
|---|---|
| A. Gene 'a' | I. β-galactosidase |
| B. Gene 'y' | II. Transacetylase |
| C. Gene 'i' | III. Permease |
| D. Gene 'z' | IV. Repressor protein |
Choose the correct answer from the options given below:
- 1A-III, B-I, C-IV, D-II
- 2A-II, B-I, C-IV, D-III
- 3A-II, B-III, C-IV, D-IOfficial answer
- 4A-III, B-IV, C-I, D-II
Official answer: option 3 · NTA final answer key
Same idea
lac z, y and a Gene Products, in other papers
NEET asked this idea 3 times, in 2019, 2023 and 2024. The other 2 questions below.
- 2024 Q101The lactose present in the growth medium of bacteria is transported to the cell by the action of:One-line MCQ · Medium
- 2019 Q166Match the following genes of the Lac operon with their respective products : (a) i gene | (i) β-galactosidase (b) z gene | (ii) Permease…Match the lists · Medium
lac z, y and a Gene Products: every question and how it was framed
The chapter
Molecular Basis of Inheritance in ten years of NEET
61 questions from 2017–2026, asked in 10 of 10 papers, about 5.8 a paper. Gene Regulation and the lac Operon alone had 7.