Question

Which of these sentences is true about the virus?

Answer 1

The sentence which is true or a fact about the virus is the sentence in letter B. Viruses can reproduce only within other cells. Viruses are intracellular obligate parasites they can not replicate or express the genes with out living host. 
viruses are acellular so they have to rely on host cellular machinery for reproduction. 
viruses doesnot contain any enzymes for reproduction