a
can niether reproduce asexually nor sexually
b
cannot survive in their respective enviroments
c
do not possess characteristics that can be transmitted from one generation to the next
d
can neither respire nor excrete
Explanation
Correct Option
dNo explanation available
Video Explanation
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Discussions (15)
VPETERS2002
6 years ago
Viruses are microbes which don't need any nutrition. They don't grow,depend on food etc. Respiration is required to break down complex food materials in any organisms. Hence, virus not being to consume any food and depend on the energy of hosts; virus can't respire and they also produce no waste products(Excretion).
AllieMD
7 years ago
The option chosen is wrong because Viruses respire in when in the cell of a living organisms.
