Organisms and Environment Population Interactions-Mutualism NEET Questions

Biology - Ecology and Environment

Organisms and Environment Population Interactions-Mutualism MCQ Questions


1.
In a mutualistic interaction between two species:
A.
Both species are harmed
B.
One species benefits at the expense of the other
C.
One species benefits and the other is unaffected
D.
Both species benefit
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ANSWER :
D. Both species benefit
2.
Lichens represent a mutualistic relationship between:
A.
Bacteria and algae
B.
Fungus and photosynthesising algae or cyanobacteria
C.
Two fungi
D.
Fungus and bryophyte
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ANSWER :
B. Fungus and photosynthesising algae or cyanobacteria
3.
Mycorrhiza is a mutualistic association between:
A.
Bacteria and plant roots
B.
Two fungi of different species
C.
Fungi and roots of higher plants
D.
Algae and fungi
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ANSWER :
C. Fungi and roots of higher plants
4.
In the fig–wasp mutualism:
A.
Wasp lays eggs on fig leaves and pollinates flowers
B.
Both fig and wasp suffer reduced fitness
C.
Wasp pollinates the fig and uses some developing seeds for its larvae
D.
Fig parasitises the wasp
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ANSWER :
C. Wasp pollinates the fig and uses some developing seeds for its larvae
5.
The Mediterranean orchid Ophrys achieves pollination by:
A.
Offering nectar reward
B.
Wind pollination
C.
Producing large amounts of pollen
D.
Sexual deceit (pseudocopulation by male bee)
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ANSWER :
D. Sexual deceit (pseudocopulation by male bee)
6.
If the female bee's colour patterns change during evolution, which of the following must occur for Ophrys orchid to maintain pollination success?
A.
The orchid must produce more nectar
B.
The orchid must switch to wind pollination
C.
The orchid must change its scent
D.
The orchid flower must co-evolve to maintain resemblance to the female bee
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ANSWER :
D. The orchid flower must co-evolve to maintain resemblance to the female bee