Which one of the following is the example of insect hormone?
A. Endosulphan
B. Ecdysone
C. Chitin
D. Allethrin
Answer: Option D
Solution(By Examveda Team)
Allethrin is an example of insect hormone.The allethrins are a group of related synthetic compounds used in insecticides. They are classified as pyrethroids, i.e. synthetic versions of pyrethrin, a chemical with insecticidal properties found naturally in Chrysanthemum flowers.
They were first synthesized in the United States by Milton S. Schechter in 1949. Allethrin was the first pyrethroid.
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Allethrin is not an example for insect hormone. Ecdysone is an example of insect hormone, which is commonly known as moulting hormone.