Multiple choice

Assertion: Human immunodeficiency virus is spherical with a 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 answer as

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

  1. Both A and R are correct and R is the correct explanation of A.

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

This option is correct because human immunodeficiency virus (HIV) is spherical with a diameter of about 90-120 nm. Its genome consists of single-stranded RNA associated with reverse transcriptase enzyme.

Keep practicing — related questions