Botany-Gene Regulation
NEET Botany Gene Regulation Match the Following Question
Type: Match the Following-match the column-Medium-Class 12
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Inducer | (i) Repressor binds to the operator |
| (b) Operon | (ii) Lactose role in gene expression |
| (c) i gene | (iii) Regulatory element in prokaryotes |
| (d) RNA polymerase | (iv) Transcribes the operon |
A
a-i, b-iii, c-ii, d-iv
B
a-ii, b-i, c-iv, d-iii
C
a-iii, b-ii, c-i, d-iv
D
a-iv, b-ii, c-iii, d-i
Correct Answer
Option A
Detailed Explanation
The inducer is lactose, which plays a crucial role in turning on the operon by interacting with the repressor (i). The operon itself is a regulatory element in prokaryotes (iii), and the i gene produces the repressor that binds to the operator. RNA polymerase is responsible for transcribing the operon (iv).
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