The eggs of silkworms are subjected to to obtain cocoons.

Q. Analyse the following statements and choose the correct option.​
1. The rearing of silkworms to obtain silk is called sericulture.​
2. The larvae feed on mulberry leaves to produce rough silk.​
3. The larvae shed skin four times before it starts spinning cocoons. ​
4. The Larvae start spinning cocoons after eating mulberry leaves for 2 to 3 days.​
5. Eggs are brought and incubated under controlled conditions.​

Q. Steps for the production of silk are given below in a jumbled order. Arrange them in proper sequence.​
(a) Eggs are warmed to a suitable temperature for the larvae to hatch from eggs.​
(b) Fibers are taken out from the cocoons.​
(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.​

Q.

Choose the correct order of the steps with respect to silkworm rearing.

I. Eggs are incubated under controlled conditions

II. Silk cocoons are boiled

III. Silk fibres are extracted

IV. Egg hatch into larvae

V. Larvae weave a cocoon around themselves

VI. Larvae feed on mulberry leaves

Q. Around 10 kg of silkworm cocoons are needed to produce 1 kg of silk.