Question 2 Is silkworm a caterpillar or a larva of silkmoth?
The silkworm is the larva or caterpillar of the domestic silkmoth Bombyx mori. Both the caterpillar and larva of a silkmoth are called silkworm.
Explain sericulture and moriculture. Can a silkworm be both a caterpillar and a larva? Explain. [3 MARKS]
Question 19
Steps for the production of silk are given below in a jumbled order. Arrange them in their proper sequence. (a) Eggs are warmed to a suitable temperature for the larvae to hatch from eggs. (b) Fibres are taken out from the cocoon. (c) After 25 to 30 days, the caterpillars stop eating and start spinning cocoons. (d) The larvae/caterpillars or silkworms are kept in clean trays along with freshly chopped mulberry leaves. (e) Female silk moths lay eggs. (f) Cocoons are kept under the sun or boiled in water.