Correct option is A
Juvenile hormone, responsible for regulating development and metamorphosis in insects, is secreted by the corpora allata.
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Juvenile hormone or neotenin is secreted by:
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- 1)Government of India has passed which act by parliament to regulate the import, manufacture, sale, transport, distribution and use of insecticides:
- 2)Principal pulsating organ which causes the flow of the blood in insect is known as:
- 3)Newly hatched silkworm larva is technically known as:
- 4)Insect in which all the ten pairs of spiracles are open and functional is known as:
- 5)Aedes aegypti is a vector of:
- 6)Timely planting of sorghum escapes the damage of:
- 7)Only the right mandible is functional in the insect order:
- 8)The organophosphate insecticides were developed in which country during World War II as a substitute for nicotine:
- 9)The males are winged and females wingless in:
- 10)The inverted Y-shaped suture on the insect head is known as:
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