Question

Which of the following is not concerned with the viruses?

• A. Viruses are made up of nucleic acid and proteins.
• B. Viruses multiply only in living host cell.
• C. Viruses can not use oxygen for respiration.
• D. Viruses can be grown in sugary liquid.

Answer 1

The correct option is D Viruses can be grown in sugary liquid.

Viruses multiply only in living host cell, as they can not multiply outside the living cell and remains as nonliving. Viruses are composed of protein and nucleic acid and they cannot use oxygen for respiration. They can not grow in sugar syrup. As they need necessary proteins for protein synthesis, a copy of the genetic material, which are only available within a cell.
Therefore, the correct answer is option D.