Home Biology Biological Classification General In some viruses, RNA is present instead of D…
Biology Biological Classification General Single Correct MCQ
Published on: August 13, 2026

In some viruses, RNA is present instead of DNA indicating that

A
their nucleic acid must combine with host DNA before replication.
B
they cannot replicate.
C
there is no hereditary information.
D
RNA can act to transfer heredity

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Text Solution

Verified by Experts
The correct answer is:
D

In most living organisms, DNA serves as the primary genetic material. However, some viruses (known as RNA viruses) use RNA to store and transmit their genetic instructions. This indicates that RNA is capable of functioning as a hereditary material, carrying coded information from one generation of virus particles to the next. Notable examples of such viruses include the Tobacco Mosaic Virus (TMV), influenza virus, and retroviruses like HIV.

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