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Previous Year Questions

Civil Services (PT) Exam 2021

20. Consider the following statements: (1) Adenoviruses have single-stranded DNA genomes whereas retroviruses have doublestranded 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

    Click on the right option
    1) 1 only
    2) 2 only ✅
    a) Both 1 and 2
    b) Neither 1 nor 2
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