Question -
Viruses lack cellular machinery until they enter a living host and multiply.
Options:
A .  True
B .  False
C .  Plant cells have a large vacuole.
D .  Animal cells do not have plastids.
Answer: Option A : A Viruses do not have a cellular machinery. They behave as non-living particles outside their host cell but start reproducing and multiplyingonce they enter their host. Hence, they form the bridge between living and non-living.
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