Biological Classification Question 123
123. Viruses are no more “alive” than isolated chromosomes because
(a) both require the environment of a cell to replicate
(b) they require both RNA and DNA
(c) they both need food molecules
(d) they both require oxygen for respiration
Show Answer
Answer : a
Hints & Solutions
(a) Viruses can live only inside the host cell, using their machinery for its own metabolism.