AIPMT MAINS2012Botany-Genetics
AIPMT MAINS 2012 Botany Gene Regulation MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Read the following four statements (A⁻D):
(A) In transcription, adenosine pairs with uracil.
(B) Regulation of lac operon by repressor is referred to as positive regulation.
(C) The human genome has approximately 50,000 genes.
(D) Haemophilia is a sex-linked recessive disease.
How many of the above statements are right?
A
Two
B
Three
C
Four
D
One
Correct Answer
Option A
Detailed Explanation
Statement (D) is correct. Statement (A) is incorrect because in transcription, adenosine pairs with thymine. Statement (B) is incorrect as regulation by repressor is negative. Statement (C) is incorrect as the human genome has approximately 30,000 genes.
Found an issue with this question?