Viruses are fascinating entities that have unique characteristics distinguishing them from other forms of life. Let’s look at the statements provided:
Analyzing the Statements
- (a) They can be crystallized and stored for several years: This is true. Viruses can be crystallized, allowing them to be stored for long periods without losing their infectivity.
- (b) Viruses do not occur as parasites in living cells: This is false. Viruses are obligate parasites, meaning they must infect living cells to replicate and survive.
- (c) They can be cultured on artificial media: This is incorrect. Viruses cannot grow on artificial media; they require living host cells for replication.
- (d) They are devoid of the genetic material of their own: This is false. Viruses contain genetic material, either DNA or RNA, which is essential for their replication.
Conclusion
The only accurate statement is (a). Viruses have unique properties that allow them to be crystallized and stored effectively, while they rely on living cells for their life cycle.
