CBSE-CLASS-XII SERIES
Biology

Regulation Of Gene Expression

2 previous year questions.

Volume: 2 Ques
Yield: Medium

High-Yield Trend

1
2025
1
2024

Chapter Questions
2 MCQs

01
PYQ 2024
medium
biology ID: cbse-cla
Match the following genes of the lac operon listed in column β€˜A’ with their respective products listed in column β€˜B’:
Select the correct option:
1
(i) (iii) (ii) (iv)
2
(iii) (i) (ii) (iv)
3
(iii) (i) (iv) (ii)
4
(iii) (iv) (i) (ii)
02
PYQ 2025
medium
biology ID: cbse-cla
Assertion (A): A patient of ADA-deficiency requires periodic or repeated infusion of genetically-engineered lymphocytes.
Reason (R): Lymphocytes are not immortal, but have life span.
1
Both (A) and (R) are true and (R) is the correct explanation of (A).
2
Both (A) and (R) are true, but (R) is not the correct explanation of (A).
3
(A) is true, but (R) is false.
4
(A) is false, but (R) is true.

About Regulation Of Gene Expression - CBSE-CLASS-XII

Regulation Of Gene Expression is a vital chapter for CBSE-CLASS-XII aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

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