Multiple choice

Assertion: Human immunodeficiency virus is spherical with diameter of about 90-120 nm. Reason: Its genome consists of single stranded DNA associated with reverse transcriptase enzyme.

Directions: In the following question there are two statements, Assertion (A) and Reason (R), consider both the statements independently and mark your answers as under:

1. A and R both are correct and R is correct explanation of A.
2. A and R both are correct and R is not correct explanation of A.
3. A is correct and R is incorrect.
4. A is incorrect and R is correct.
5. A and R both are incorrect.

  1. A and R both are correct and R is correct explanation of A.

  2. A and R both are correct and R is not the correct explanation of A.

  3. A is correct and R is incorrect.

  4. A is incorrect and R is correct.

  5. A and R both are incorrect.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A is correct whereas R is incorrect. Human immunodeficiency virus (HIV) is spherical with diameter of about 90-120 nm. Its genome consists of single stranded RNA associated with reverse transcriptase enzyme.

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