Predation NEET Questions

Biology - Ecology and Environment

Predation MCQ Questions


13.
The Monarch butterfly is highly distasteful to its predator (bird) because:
A.
It contains a special chemical acquired during caterpillar stage
B.
It has bright warning colours only
C.
It has a hard exoskeleton
D.
It produces a foul smell
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ANSWER :
A. It contains a special chemical acquired during caterpillar stage
14.
The Monarch butterfly acquires its distasteful chemical from:
A.
Soil minerals
B.
A poisonous weed during its caterpillar stage
C.
Nectar of flowers
D.
Other butterflies
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ANSWER :
B. A poisonous weed during its caterpillar stage
15.
Approximately what percentage of all insects are known to be phytophagous?
A.
75 per cent
B.
10 per cent
C.
25 per cent
D.
50 per cent
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ANSWER :
C. 25 per cent
16.
The term 'phytophagous' refers to organisms that feed on:
A.
Microorganisms
B.
Other animals
C.
Dead organic matter
D.
Plant sap and other parts of plants
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ANSWER :
D. Plant sap and other parts of plants
17.
Why is the problem of predation more severe for plants compared to animals?
A.
Plants are smaller in size
B.
Plants have no immune system
C.
Plants cannot run away from their predators
D.
Plants reproduce slowly
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ANSWER :
C. Plants cannot run away from their predators
18.
The most common morphological means of defense in plants against herbivores are:
A.
Tough leaves
B.
Bright colours
C.
Thorns
D.
Bitter taste
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ANSWER :
C. Thorns