Q. Viruses are no more ‘alive’ than isolated chromosomes because
A) They both require oxygen for respiration
B) Both require the environment of a cell to replicate
C) They require both RNA and DNA
D) They both need food molecules
Explanation
Viruses are noncellular obligate parasites. In the free state, they are just like the particles. They do not have their own metabolic machinery. They use host’s machinery for multiplication.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.