Parasitism NEET Questions

Biology - Ecology and Environment

Parasitism MCQ Questions


13.
Host-specificity in parasites means that:
A.
Parasites can infect any host species
B.
Parasites can parasitise only a single species or few species of hosts
C.
Parasites are restricted to one geographic location
D.
Hosts can carry only one type of parasite
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ANSWER :
B. Parasites can parasitise only a single species or few species of hosts
14.
Co-evolution in parasitism refers to:
A.
Convergent evolution of two parasitic species
B.
Evolution of both parasite and predator
C.
Independent evolution of parasites
D.
Evolution of parasite and host together, where each affects the other's evolution
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ANSWER :
D. Evolution of parasite and host together, where each affects the other's evolution
15.
Which of the following parasites depends on a snail and fish as intermediate hosts?
A.
Human liver fluke
B.
Cuscuta
C.
Plasmodium
D.
Tapeworm
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ANSWER :
A. Human liver fluke
16.
Which of the following is true about parasites?
A.
Parasites benefit their host
B.
Most parasites harm the host but do not kill it immediately
C.
Parasites are independent of host's biology
D.
All parasites kill their hosts immediately
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ANSWER :
B. Most parasites harm the host but do not kill it immediately
17.
The cuckoo (koel) lays its eggs in the nest of:
A.
Pigeon
B.
Owl
C.
Crow
D.
Sparrow
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ANSWER :
C. Crow
18.
Why didn't natural selection lead to evolution of harmless parasites?
A.
Because parasites cannot evolve
B.
Because hosts always benefit from parasites
C.
Because harming the host (even slightly) often improves parasite's transmission and reproductive success
D.
Because all parasites must kill the host eventually
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ANSWER :
C. Because harming the host (even slightly) often improves parasite's transmission and reproductive success