Animals never feed on Calotropis, because it produces poisonous cardiac glycosides in the body of predator. Which is correct about this?
A
It is morphological defence mechanism
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B
It is chemical defence mechanism to protect from predator
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C
It is anatomical defence mechanism
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D
All of the above
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Solution
The correct option is B It is chemical defence mechanism to protect from predator The Calotropis plant produces highly poisonous cardiac glycosides. That is why animals never feed on Calotropis. This is a chemical defence mechanism to protect from predator.