Answer the following questions :
1) Name the tree whose leaves provide food for the silkworms.
2) Name any four animals which yield wool.
3) What causes sorter’s disease?
4) Name two fibres which are made of proteins.
5) Distinguish between natural silk and artificial silk.
6) What is sericulture?
7) What is cocoon?
8) What do you mean by selective breeding?
Plz answer
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Answers
Answer:
Silkworms only eat fresh mulberry leaves (or artificial food). In California, trees lose their leaves in October and leaf out around late March. Therefore, you cannot raise silkworms year-round. You will need to locate local mulberry trees (Latin name Morus alba).
Answer:
Explanation:
1) mulberry tree
2) Sheeps, Goats, Llamas, Camels
3) Wool industry is an important means of livelihood for many people in our country. But sorter's job is risky as sometimes they get infected by a bacterium, anthrax, which causes a fatal blood disease called sorter's disease.
4) wool, silk
5) The natural silk is the silk that is produced naturally by the silkworm, however, artificial silk is produced with some artificial techniques where the worm is burned in the cocoon only. To identify the difference, burn the silk you have. If the smell of burning hair comes out then it will be natural silk
6)Sericulture means silk farming.