Which one of the following is not a characteristic of viruses?
Correct answer: C. They do not have the ability to reproduce
- A. They do not respire
- B. They do not excrete
- C. They do not have the ability to reproduce
- D. They can be crystallised
Explanation
Viruses are acellular, obligate, intracellular parasites. Viruses are not alive, because they do not complete all of the seven life processes: Movement, Respiration, Sensitivity, Nutrition, Excretion, Reproduction, and Growth. The only property of life they exhibit is replication.
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