The silk moth larvae spend ____ days on eating mulberry leaves for its growth.
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.
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
Question 2
Which of the following is not a type of silk? (a) Mulberry silk (b) Tassar silk (c) Mooga silk (d) Moth silk