Describe economic importance of sericulture.

The economic importance of sericulture are:
    - It can be exported to increase the economy status of farmers.
    - Employment opportunities for women.
    - It can be practiced with very low hand holding.
    - All things used in sericulture con be sold.
    - Sericulture gets effective market. 

What is the food of a Seri silkworm? Name the stage of the lifecycle when the silkworm produces silk thread?

Seri silkworm eats the leaves of mulberry as its food.
In pupal stage of its lifecycle it produces silk thread of about 1500 m length.

Why are the eggs of a silkworm kept below 18°c during winter?

We all know that, the leaves of mulberry are not available during winter. If available also, the silkworm cannot survive there because of coldness. And the egg of Silkworm only hatches once it get temperature of 18C to 25C. So, it can be stored for the desired time below 18c. As a result, to grow the silkworm in favorable season, it kept below 18c during winter.

Write down the features of artificial silk.

The features of artificial silk are:
    - It & not shiny, light and durable as natural.

Write any 3 precautions to be taken during sericulture.

Three precautions to be taken during sericulture are:
    - The eggs should be stored below the temp 18C for long term.
    - Clean and dry mulberry leaves should be fed to larvae.
    - A few cocoon of good quality should be kept as seed.

Write a program that accepts the length of three different rods and displays whether a triangle can be formed or not by using the rods. [Hint: A triangle can be formed if the sum of two sides is gr...

Differentiate between:a.    Pupa and cocoon.b.    Pupa of silkworm and pupa of honey bee.c.    Natural silk and artificial silk.

a.    Pupa and cocoon.