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Fibre to Fabric (Class 7th)

Total questions: 50

Worksheet time: 38mins

Name
Class
Date
1.

Sorter's disease is related to?

a)

People involved with processing of silk

b)

People involved with processing of cotton

c)

People involved with processing of wool

d)

People involved with processing of jute

2.

Which of the following does not yield wool?

a)

yak

b)

camel

c)

goat

d)

woolly dog

3.

Wool is obtained from the ____ of sheep.

a)

Silk

b)

Sheep

c)

Fibre

d)

Fleece

4.

Name the bacterium by which the people working in wool industry get infected.

a)

Rhizobium

b)

streptococcus

c)

Anthrax

d)

bacillus

5.

The process of washing of sheared skin with hair in tanks to remove any kind of dust, dirt or grease is called

a)

shearing

b)

reeling

c)

scouring

d)

dyeing

6.

Rearing and breeding of silk worm for production of silk is called

a)

silviculture

b)

sericulture

c)

floriculture

d)

apiculture

7.

The process of selecting parents for obtaining special characters in their offspring, is termed as _________.

a)

Selecting selection

b)

Selection breeding

c)

Selective breeding

d)

Breeding selectiona

8.

Pashmina shawls are obtained by the under-fur of a type of ________.

a)

Yak

b)

Llama

c)

Alpaca

d)

Goat

9.

Llama and Alpaca are found in _______.

a)

Tibet

b)

Australia

c)

South Africa

d)

South America

10.

Which country is considered to be the largest producer of silk?

a)

China

b)

India

c)

Nepal

d)

Bhutan

11.

Name the process of removing fleece from sheep

a)

Carding

b)

Shearing

c)

Spinning

d)

ginning

12.

The process of soaking jute stalks in water to let those rot.

a)

Ginning

b)

Retting

c)

Beating

d)

Rotting

13.

Yarn is made from fibres.

a)

true

b)

false

14.

Spinning is the process of making fibres

a)

True

b)

False

15.

Which of the following is a synthetic fibre

a)

Nylon

b)

Cotton

c)

Silk

d)

Wool

16.

Synthetic fibres are also called

a)

Natural fibres

b)

Cloth

c)

Man made fibres

d)

Ginning

17.

In which of the following state you can find Angora goats?

a)

Rajasthan

b)

Uttar Pradesh

c)

Goa

d)

Jammu & Kashmir

18.

Which one is related to silk fiber?

a)

mulberry

b)

strawberry

c)

blackberry

d)

blueberry

19.

The diagram here represents which stage of the silk moth?

a)

pupa

b)

adult

c)

egg

d)

larva

20.

Air is _______conductor of heat.

a)

Good

b)

trapped

c)

Hair

d)

Poor

e)

Sheep

21.

Fleece of sheep generally has ___ types of fibres.

a)

3

b)

2

c)

4

d)

1

22.

Which breed of Indian sheep gives best quality wool?

a)

Nali

b)

Lohi

c)

Marwari

d)

Patanwadi

23.

Which animal is commonly reared for wool in Ladakh and Tibet?

a)

Sheep

b)

Camel

c)

Goat

d)

Yak

24.

Which of the following is the main function of hair?

a)

Traps a lot of air

b)

Protects internal organs

c)

Keeps body cool

d)

Gives beauty

25.

Which of the following is the main component of silk fibre?

a)

Fats

b)

Proteins

c)

Cellulose

d)

Vitamins

26.

In which stage does a silk moth lay eggs?

a)

Pupa

b)

Larvae

c)

Caterpillar

d)

Adult

27.

List the correct order of four stages of the life cycle of a silk moth

a)

Egg, Pupa, Larva, Adult

b)

Egg, Larva, Adult, Pupa

c)

Adult, Egg, Larva, Pupa

d)

Adult, Egg, Pupa, Larva

28.

What are natural fibres produced from?

a)

plants only

b)

animals and plants

c)

animals only

d)

crude oil

29.

Patanwadi, breed of sheep is most commonly found in _______.

a)

Punjab

b)

Jammu

c)

Rajasthan

d)

Gujarat

30.

A cocoon is constructed from one continuous strand of silk measuring about ________ length.

a)

2.5 Km

b)

3.5 Km

c)

4.5 Km

d)

1.5 Km

31.

Wool industry workers face the risk of ______________ disease.

a)

Tuberculosis

b)

Anthrax

c)

Pneumonia

d)

Cholera

32.

Name the small fluffy fibres that needs to be removed during the processing of the wool

a)

Fleece

b)

Burrs

c)

Fibre

33.

Which fibre is used for making gunny bags?

a)

wool

b)

Jute

c)

Silk

d)

Cotton

34.

Pick out one of the natural colour of the fleece.

a)

Green

b)

Brown

c)

Yellow

d)

Blue

35.

Complete the process: Shearing --> Scouring -->

_________ --> Dyeing

a)

Rolling

b)

Reeling

c)

Sorting

36.

In silk production _______ significantly contribute to the nation's economy .

a)

Women

b)

Children

c)

Men

37.

After approximately _______ days, the caterpillar stops eating.

a)

20

b)

30

c)

40

d)

50

38.

Name the process of taking out threads from the cocoon

a)

Shearing

b)

Reeling

c)

Scouring

d)

Dyeing

39.

________ has tiny pockets between its fibre that trap air

a)

wool

b)

cotton

c)

synthetic fabric

d)

jute

40.

Which fibre on burning gives the smell of burning paper?

a)

Cotton

b)

Silk

c)

Wool

d)

Polyester

41.

Where does linen come from?

a)

Flax

b)

Trees

c)

Whales

d)

Llamas

42.

which picture represents the source of cotton?

a)
b)
c)
d)
43.

Which picture shows the source of silk?

a)
b)
c)
d)
44.

Denim is made from?

a)

Silk

b)

Petroleum

c)

Cotton

d)

None of these

45.

Silk fibre is obtained from the _____ of the silk moth.

a)

Fleece

b)

Hair

c)

Cocoons

d)

Skin

46.

Which one of the following is known as artificial silk?

a)

nylon

b)

acrylic

c)

rayon

d)

polyester

47.

Vicuna is an animal that also gives wool. In which of the following continents it is generally found?

a)

Asia

b)

Australia

c)

North America

d)

South America

48.

Which of the following can be related to planting and taking care of forest?

a)

Floriculture

b)

Apiculture

c)

Moriculture

d)

Silviculture

49.

Which of the following terms can be associated with ornamental plants?

a)

Sericulture

b)

Silviculture

c)

Moriculture

d)

Floriculture

50.

Bakharwal is the name of Indian breed of sheep. In which of state is generally found?

a)

Rajasthan

b)

Gujarat

c)

Jammu and Kashmir

d)

Australia