Q. Pheromones are

A
Endohormones
B
Ectohormones
C
Growth regulators
D
None of these
Solution:

Pheromones are chemicals capable of acting like hormones outside the body of the secreting individual, to impact the behavior of the receiving individuals. There are alarm pheromones, food trail pheromones, sex pheromones, and many others that affect behavior or physiology.

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