UPSC Prelims GS - 2021

Question 70
DIFFICULT
Correct:
+2
Incorrect:
-2

Consider the following statements:
1. Adenoviruses have single stranded DNA genomes whereas retroviruses have double-stranded DNA genomes.
2. Common cold is sometime caused by an adenovirus whereas AIDS is caused by a retrovirus.
Which of the statements given above is/are correct?

    a
    1 only
    b
    2 only
    c
    Both 1 and 2
    d
    Neither 1 nor 2