Fibre from Animals

Q.

The process of making yarn from fibres is called __________.

Q.

Name the plant important in sericulture-

1. Pea

2. Legumes

3. Mulberry

4. Cassia

Q.

The process of killing the larvae of silk worms inside their cocoons, with the help of steam, is called as ___.

1. Hair on skin

2. Hair on head

3. Same

4. Can't say

Q.

The process by which the woollen fleece of sheep is cut off with the thin layer of skin is known as

1. Lion, Tiger, Teak

2. Sal, Wild mango tree

3. Bison, Indian giant squirrel, Flying squirrel

4. Elephant

Q. Name the goat that gives the best quality of wool.

Q. How do the hair of certain animals help in keeping their bodies warm?

Q.

Under-hair close to the skin of sheep is used to make soft wool.

1. True

2. False

Q.

In which of the following life stages of the silk moth is silk extracted?

1. Egg

2. Pupa

3. Larva

4. Adult

Q.

Which of the following breeds of sheep are commonly reared in Gujarat?

1. Bakharwal

2. Marwari

3. Patanwadi

4. Nali

Q.

Explain sericulture and moriculture. Can a silkworm be both a caterpillar and a larva? Explain. [3 MARKS]

Q. In India, sheep are shorn generally during which of the following seasons?

1. Winter season
2. Summer season
3. Autumn season
4. Rainy season

Q.

What is filature

Q.

Answer the following:

a.From which animal the wool is obtained for Pashmina shawls. Name the region where this animal is found.

b.Shearing process is done in winters. True/False.

c.Write a note on selective breeding.

Q.

B) Give one word for the following.

2. The process of removal of fleece of the sheep.

Q.

Discuss the process of obtaining silk.

Q. Silk is an animal fibre obtained from __________.

1. silkworm
2. butterfly
3. sheep
4. silk fly

Q.

In the life cycle of the silk moth, the caterpillar covers itself completely with silk fibre .This covering is known as __.

Q. Identify marwari goat from the given images.

1. 
2. 
3. 
4. 

Q. Can you name the various breeds of sheep bred in India and where? What are the breeds known for? [3 MARKS]

Q.

1.The first step in the process of producing wool is _______ (scouring/shearing).

Q.

How do the silk farmers know that when to boil the cocoons and when to get the silk thread off

Q. Pashmina a type of wool is obtained from:

1. camel
2. goat
3. artificially
4. sheep

Q.

Is it right to wear clothes made out of silk fabric ? What does your conscience say about this ? (2m)

Q.

Question 11 (a)

Fill in the blanks in the following statements.
(a) ___ and ___ Fibres are obtained from animals

Q. Sheep is sheared from ................

1. April to October
2. May to December
3. Whole of the year
4. August to September

Q.

Why does Marwari sheep have black hair on head white hair on body

Q. Silk fibers are made of:

1. protein
2. fat
3. None of these
4. Both $A$ and $B$

Q. What is meant by the following terms.
i)Rearing ii)Shearing

Q. Which of the following is an example of soft and fine wool?

1. Both A and B
2. Cotswold
3. Merino
4. None of them

Q. Silk can be obtained from ___.

1. Ilama

2. Alpaca

3. Caterpillars

4. Sheep