Genetics And Molecular Biology PYQs — 5 UPSC CSE Previous Year Questions

Question 1

Which of the following statements with regard to genetic medicine is/are correct? Genetic medicines correct/compensate for the faulty genes responsible for disease. Engineered viruses and lipid nanoparticles are used as carriers of the genetic medicine. Genetic medicines alter the entire DNA sequence. Select the answer using the code given below:

Accepted Answer

C. 1 and 2 only

Question 2

The cellular and molecular control of programmed cell death is known as

Accepted Answer

A. apoptosis

Question 3

Assertion (A): “DNA Finger­ printing” has become a powerful tool to establish paternity and identity of criminals in rape and assault cases. Reason (R): Trace evidences such as hairs, saliva and dried semen are adequate for DNA analysis.

Accepted Answer

A. Both A and R are true, and R is the correct explanation of A

Question 4

Match List-I with List-II and select the correct answer using the codes given below the lists:

	List-I		List-II
A.	Theory of mutation	1.	Beadle and Tatum
B.	Theory of evolution	2.	Jacob and Monad
C.	One gene one enzyme hypothesis	3.	Darwin
D.	Operon concept	4.	de Vries

Codes:
ABCD

Accepted Answer

B. 4312

Question 5

Which of the following professional(s) are more likely to run the risk of a permanent change in their cell's DNA?

Researchers using Carbon 14 isotope
X-ray technician
Coal miner
Dyer and painter

Select the correct answer by using the codes given below Codes:

Accepted Answer

C. 1, 2 and 4