Question

Which of the following statements regarding viruses is incorrect?

• A. They are non-cellular structures.
• B. They do not show characteristics of life until they enter a living body.
• C. They cannot be crystallized.
• D. All of the above.

Answer 1

Answer: (C)

They cannot be crystallized.

• Viruses possess nucleic acid (either DNA or RNA) enclosed in a protein coat called a capsid.
• It does not possess any cellular structure.
• They are inactive outside any living body. They can replicate only inside the living cells of other organisms.
• Viruses can be crystallized. The first virus to be crystallized is the Tobacco Mosaic virus.

Thus, the correct answer is (C).