Q. Read the following paragraph. An insect whose mouthparts are biting and chewing type in the larval condition, while they are siphoning type in the adult and this insect gives an economically important substance during yet another stage of its development. The insect is

A) Anopheles
B) Laccifer
C) Bombyx
D) Apis
Explanation

The caterpillar larvae of silkmoth (Bombyx mori) are voracious feeder, so they have the continuous supply of food. Each caterpillar larvae has a mandibulate (biting and chewing) type of mouthparts adapted to feed easily on mulberry leaves, while adult has siphoning type of mouthparts. Commercial silk is obtained from the cocoons of Bombyx mori.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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