Question

What are these:

a) Cocoon

b) Fleece

c) Silk moth.

plz do answer fast I want to write for exam​

Answer 1

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Ans.a) A cocoon is a silky web spun around the larvae of many insects. Caterpillars emerge from their cocoons as beautiful butterflies. The word cocoon can also refer to a form a self-protection for humans. For some people, their house is a cocoon, a cozy retreat from which they can escape the world.

Ans.b) Fleece is a synthetic insulating fabric made from a type of polyester called polyethylene terephthalate (PET) or other synthetic fibres. It is very comfortable due to its light weight and anti-perspiration qualities, and allows moisture to evaporate, while blocking humidity from the outside.

Ans.c) Silk moth is a kind of insect. ... The larva (or caterpillar) of a silk moth which produces silk is called silkworm. (1) The female silk moth lays eggs on the leaves of a tree (such as mulberry tree) (2) The eggs hatch to form worm-like larvae. The larvae of silk moth are called caterpillars or silkworms.

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Answer 2

Answer:

Cocoon : The rearing of silkworms for obtaining silk is called sericulture. During this process, the caterpillar secretes fibre made of a protein which hardens on exposure to air and becomes silk fibre. And the caterpillar completely covers itself by silk fibres for turning into pupa. This covering is known as cocoon.

Fleece : Fleece is the hair that is obtained from yielding animals such as sheep, yak etc. There are two types of fleece :

• the coarse beard hair
• the fine soft hair close to the  skin

Different types of processes are involved in removing the fleece. They include Shearing, Scouring, Sorting , Burr picking.

Silk moth : The adult silk worm is called Silk moth. The female silk moth lays eggs, from  which hatch larvae which are called  caterpillars or silk worms. When the caterpillar is ready to  enter the next stage it is called pupa. Then the caterpillar completely covers itself by silk fibres and turns into pupa.The further  development of the pupa into moth  continues inside the cocoon.