Viruses can be categorised by their shapes.ĭ Explanation: Viruses do not contain ribosomes, so they cannot make proteins. Viruses cannot replicate without a host so they are classified as parasitic.ĭ Explanation: Transmission of the virus through the biting of infected animals, birds, and insects to humans is known as Zoonoses.ĭ Explanation: There are four different types of viruses based on the type of host namely Animal viruses, Plant viruses, Bacteriophage and Insect virus.Ĭ.
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