State whether true or false:

A parasite can have multiple hosts.
A. True
B. False
C. I - Surface protein, II - RNA, III - Capsid, IV - HIV envelope, V - Viral enzymes
D. I - HIV envelope, II - Viral enzymes, III - Capsid, IV - Surface protein, V - RNA

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Answer: Option A
: A

For the completion of their life cycle, some parasites require more than just the host. For example, tapeworm completes its life cycle in humans and cows/pigs. In humans which is the definitive host, it multiplies and causes the symptoms. In cows and pigs (the reservoir host), it just resides and does not show any ill effects.

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