Correct option is A
The correct answer is Mulberry leaves.
Mulberry leaves:
· The protein fibre of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons.
· The best-known silk is obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori reared in captivity (sericulture).
· Silkworms are oligophagous insects, and mulberry leaves are their best food source.
· All nutrients and water silkworms need come from mulberry leaves.
· Which is a result of the long-term co-evolution and natural selection between silkworms and mulberry trees.
Thus, the food of silkworms is mulberry leaves.
Information Booster
Silkworm:
· Silkworms eat only mulberry leaves.
· The entire process can be controlled by keeping the worms in a controlled environment.
· Protecting them from ants, mice, and disease; and feeding them mulberry leaves.
· Silkworms produce pupa by feeding on mulberry leaves.
Additional Information
Sericulture:
· The method of raising silkworms and harvesting silk from them is known as sericulture.
· Domestic silkmoth caterpillars (also known as ‘Bombyx mori’) are the most widely used silkworm species in sericulture.
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