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Solution


Q.

For chemical defence against herbivores, Calotropis has                [2023]
1 cardiac glycosides  
2 strychnine  
3 toxic ricin  
4 distasteful quinine  

Ans.

(1)

Calotropis plant produces highly poisonous cardiac glycosides as a defence against herbivores. Thus, herbivores do not browse on this plant.