NEET BIOLOGY

BIOLOGICAL CLASSIFICATION

VIRUSES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one is NOT true for a virus
A
Has a protein coat called a capsid
B
Has both DNA and RNA
C
Is specific to a certain type or group of organisms
D
Needs a host in order to reproduce
Explanation: 

Detailed explanation-1: -Viruses are smaller and simpler in construction than unicellular microorganisms, and they contain only one type of nucleic acid-either DNA or RNA-never both.

Detailed explanation-2: -Leuko virus is a retrovirus also called as RNA-DNA virus.

Detailed explanation-3: -Final Answer: Viruses do not infect bacteria, fungi and algae is not the correct statement.

Detailed explanation-4: -Also RNA and DNA need to be protected by proteins, but the same proteins can not efficiently pack and protect RNA and DNA. To have both means the virus needs a lot more genes, it is bigger, without any real advantage.

There is 1 question to complete.