A) Ejection of noxious chemicals
B) Possession of toxic hairs
C) Mimicry of inedible objects
D) Secretion of pheromones
Correct Answer: A
Solution :Pheromones are the chemicals, which when released by an animal in its surrounding, affect the behaviour and development of other individuals of the same species and act as a chemical messenger among them. These are meant for sexual attraction, recognition of area and individuals, alarming and communication, aggressiveness, etc but not for a defence mechanism of prey to avoid predator.
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