Q. Which of the following statements are false about viruses? I. Viruses are facultative parasites II. Viruses can multiply only when they are inside the living cells III. Viruses cannot pass bacterial proof filters IV. Viruses do not contains proteins DNA and RNA Code

A) I, II and III
B) II, III and IV
C) I, III and IV
D) I, II, III and IV
Explanation

Viruses are obligate parasites. If a mixture of viruses and bacteria are filtered through a bacterial proof filter, the viruses will pass through into the filtrate in the flask. Virus were found to be smaller than bacteria because they passed through bacteria proof filters. Viruses are made up of proteins and DNA or RNA

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.