Question

write the characteristicsof viruses std viii

Answer 1

Characteristics of Viruses
They are enclosed in a protective envelope.
They have spikes, which helps them to attach to the host cell.
They are non cellular.
They do not respire, do not metabolize and do not grow but they do reproduce.
They contain a protein coat called the capsid.
They have a nucleic acid core containing DNA or RNA.

Answer 2

1)They have spikes which help them in protection.
2)They are non-cellular
3)They contain protein coat called capsid.
4)Contain DNA ,RNA.
5)Enclosed in a protective envelop.