AIDS NEET 2025 Level Human Health and Disease Zoology NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

When a retrovirus infects an animal cell:

1.	c DNA is introduced into cell
2.	Viral RNA is produced by reverse transcription
3.	Viral RNA incorporates into host genomes
4.	Infected cell can survive while viruses are being replicated and released

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Assertion (A):	The enzyme that facilitates the synthesis of copy DNA is reverse transcriptase.
Reason (R):	Reverse transcriptase is made naturally by retroviruses.

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 (A) is True.

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