If you’re looking for a way to enhance your Science studies, then look no further than the NCERT MCQ Questions for Class 7 Science Chapter 3 Fibre to Fabric with Answers Pdf free download. MCQ Questions for Class 7 Science with Answers is perfect for those who are in class 7 and want to get ahead of everyone else by mastering their subject skills as soon as possible!
Fibre to Fabric Class 7 MCQs Questions with Answers
Solving Fibre to Fabric Multiple Choice Questions of Class 7 Science Chapter 3 MCQ can be of great help to students as they will be aware of all the concepts. These MCQ Questions on Fibre to Fabric Class 7 with answers pave for a quick revision, thereby helping you learn more about this subject.
Question 1.
The process of taking out threads from the cocoon for use as silk is called:
(a) reeling the silk
(b) reeling silk worms
(c) both of them
(d) none of these
Answer
Answer: (a)
Reeling the silk is taking out threads from the cocoon.
Question 2.
For obtaining silk, mothe are reared and their cocoons are collected to get:
(a) silk threads
(b) silkworms
(c) both silk threads and silk worms
(d) none of these
Answer
Answer: (a)
We get silk threads by rearing silk moths and by collecting cocoons.
Question 3.
Silk industry began in:
(a) China
(b) India
(c) Japan
(d) Korea
Answer
Answer: (a)
China is the place where silk industry began.
Question 4.
They eat day and night and increase enormously in size are named as:
(a) caterpillars
(b) honey bee
(c) butterfly
(d) none of these
Answer
Answer: (a)
Caterpillars eat day and night and increase enormously.
Question 5.
Mostly sheep are reared for getting wool in:
(a) China
(b) India
(c) Japan
(d) Europe
Answer
Answer: (a)
India is the place where mostly sheep are reared for getting wool.
Question 6.
Silk worms are made of:
(a) protein
(b) vitamins
(c) minerals
(d) all of these
Answer
Answer: (a)
Protein makes the silk worm.
Question 7.
Scientific name of mulberry is:
(a) legumes
(b) morus alba
(c) spirogyra
(d) none of these
Answer
Answer: (a)
Morus Alba is scientific name of mulberry.
Question 8.
Cocoon is used for :
(a) reeling the silk
(b) scouring the silk
(c) both (a) and (b)
(d) none of these
Answer
Answer: (a)
Reeling the silk.
Question 9.
Which are the two terms related to silk production ?
(a) Sericulture, Floriculture
(b) Floriculture, Moriculture
(c) Moriculture, Siluiculture
(d) Moriculture, Sericulture
Answer
Answer: (a)
Moriculture, Sericulture are the two terms which are related to silk production.
Question 10.
Wool and silk fibres are obtained from:
(a) plants
(b) animals
(c) plants and animals
(d) all of these
Answer
Answer: (a)
Animals gives us wool and silk fibres.
Question 11.
Wool is obtained from the fleece of:
(a) cow
(b) camel
(c) sheep or yak
(d) all of these
Answer
Answer: (a)
Sheep’s or yak’s fleece gives us wool.
Question 12.
Silk fibres comes from cocoons of:
(a) silk moth
(b) caterpillar
(c) honey bee
(d) butterfly
Answer
Answer: (a)
Silk moth’s cocoon gives us silk fibre.
Question 13.
Which of the following does not yield wool ?
(a) Yak
(b) Woolly dog
(c) Goat
(d) Camel
Answer
Answer: (a)
Woolly dog doesn’t yield wool.
Question 14.
Which part of the black sheep have wool ?
(a) Legs
(b) Face
(c) Abdomen and back
(d) All of these
Answer
Answer: (a)
Mainly abdomen and back of black sheep gives us wool.
Question 15.
Yak wool is common in:
(a) Tibet and Ladakh
(b) Jammu and Kashmir
(c) Ladakh
(d) None of these
Answer
Answer: (a)
Tibet and Ladakh is common for Yak wool.
Question 16.
Angora wool is obtained from:
(a) Camel
(b) Goat
(c) Angora goat
(d) Yak
Answer
Answer: (a)
Angora goat gives us Angora wool.
Question 17.
The goat fur is woven into fine shawls called:
(a) Kashmiri shawls
(b) Ludhiana shawls
(c) Pashmina shawls
(d) None of these
Answer
Answer: (a)
Pashmina shawls is woven by goat fur.
Question 18.
Llama and Alpaca found in:
(a) Africa
(b) South America
(c) Africa and South America
(d) None of these
Answer
Answer: (a)
South America is the place where Llama and Alpaca are found.
Question 19.
The bringing up and looking after the sheep is called:
(a) rearing
(b) shearing
(c) scouring
(d) all of these
Answer
Answer: (a)
Rearing is bringing and looking after the sheep.
Question 20.
The fleece of the sheep along with a thin layer of skin is removed from its body is called:
(a) scouring
(b) hand
(c) shearing
(d) all of these
Answer
Answer: (a)
Shearing is the process in which fleece of sheep with thin layer is removed.
Question 21.
Nowadays scouring is done by:
(a) machine
(b) hand
(c) both machine and hand
(d) none of these
Answer
Answer: (a)
By machine scouring is done nowadays.
Question 22.
Silk fibres are also known as:
(a) animal fibres
(b) plant fibres
(c) animal and plant fibres
(d) none of these
Answer
Answer: (a)
Animal fibres are known as silk fibres.
Question 23.
The rearing of silkworms for obtaining silk is called:
(a) moriculture
(b) apiculture
(c) sericulture
(d) silviculture
Answer
Answer: (a)
Sericulture is rearing of silk worms for obtaining silk.
Question 24.
Which bacterium causes a fatal blood disease ?
(a) Rhizobium
(b) Anthrax
(c) Both rhizobium and anthox
(d) None of these
Answer
Answer: (a)
Anthrax is bacterium which causes fatal’s blood diseases.
Question 25.
The disease caused by anthrax is:
(a) Tuberculosis
(b) Sorter’s disease
(c) Hepatitis-A
(d) None of these
Answer
Answer: (a)
Sorter’s disease is caused by anthrax.
Match Column A with Column B:
Question 1.
| Column A | Column B |
| (a) Scouring | (i) animals |
| (b) Mulberry leaves | (ii) yields silk fibres |
| (c) Yak | (iii) wool yielding animal |
| (d) Cocoon | (iv) food of silk worm |
| (e) Silk fibres | (v) cleaning sheared skin |
Answer
| Column A | Column B |
| (a) Scouring | (v) cleaning sheared skin |
| (b) Mulberry leaves | (iv) food of silk worm |
| (c) Yak | (iii) wool yielding animal |
| (d) Cocoon | (ii) yields silk fibres |
| (e) Silk fibres | (i) animals |
Question 2.
| Column A | Column B |
| (a) Keeps warm | (i) wool |
| (b) Its leaves are eaten by silk worm | (ii) scouring |
| (c) Animal fibre | (iii) fibre |
| (d) Long thread like structure | (iv) silk |
| (e) Thorough washing | (v) mulberry leaves |
Answer
| Column A | Column B |
| (a) Keeps warm | (i) wool |
| (b) Its leaves are eaten by silk worm | (v) mulberry leaves |
| (c) Animal fibre | (iv) silk |
| (d) Long thread like structure | (iii) fibre |
| (e) Thorough washing | (ii) scouring |
Question 3.
| Column A | Column B |
| (a) Lohi | (i) Gujarat |
| (b) Rampur bushair | (ii) Jammu and Kashmir |
| (c) Nab | (iii) Rajasthan, Punjab |
| (d) Bakharwal | (iv) Uttar Pardesh, Himachal Pardesh |
| (e) Marwari | (v) Rajasthan, Haryana, Punjab |
Answer
| Column A | Column B |
| (a) Lohi | (iii) Rajasthan, Punjab |
| (b) Rampur bushair | (iv) Uttar Pardesh, Himachal Pardesh |
| (c) Nab | (v) Rajasthan, Haryana, Punjab |
| (d) Bakharwal | (ii) Jammu and Kashmir |
| (e) Marwari | (i) Gujarat |
Fill in the blanks:
Question 1.
Silk fibres are made of ……………………
Answer
protein
Question 2.
Silk comes from ……………………
Answer
silkworms
Question 3.
Silk and …………………… are animal fibres.
Answer
wool
Question 4.
Wool is obtained from sheep, goat and …………………….
Answer
yak
Question 5.
The hairs of camel, Lama and alpaca are also processed to yield ……………………
Answer
wool
Question 6.
A pile of …………………… is used for obtaining silk fibres.
Answer
cocoon
Question 7.
…………………… weave silk threads into silk cloth.
Answer
Weavers
Question 8.
Silk fibres from cocoons are separated out and reeled into …………………… threads.
Answer
silk
Question 9.
…………………… is done in special machines.
Answer
Reeling
Question 10.
The …………………… called caterpillars eat day and night.
Answer
larvae
Question 11.
…………………… leads the world in silk production.
Answer
China
Question 12.
The …………………… of silk worms for obtaining silk is called sericulture.
Answer
rearing
Question 13.
The …………………… of the sheep along with a thin layer of skin is removed from its ……………………
Answer
fleece, body
Question 14.
The fibres can be dyed in various colours, as the …………………… fleece of sheep and goat.
Answer
natural
Question 15.
The small fluffy fibres called ……………………, are picked out from the hair.
Answer
burrs
Question 16.
The …………………… skin with hair is washed in tanks to remove dust, grease and dirt.
Answer
sheared
Question 17.
The hairy skin is sent to the factory where hair of different …………………… are separated or sorted.
Answer
texture
Question 18.
The longer fibres are made into wool for …………………….
Answer
sweaters
Question 19.
The shorter fibres are spun and woven into …………………… cloth.
Answer
woollen
Question 20.
The female silk moth lays eggs from which hatch larvae comes out are called …………………… or ……………………
Answer
silkworm, caterpillar
State whether the following statements are True’ or ‘False’:
Question 1.
Llama and Alpaca are found in South Africa.
Answer
False
Question 12.
Angora wool is obtained from Yak.
Answer
False
Question 13.
Yak wool is common in Tibet and Ladakh.
Answer
True
Question 14.
Several breeds of sheep are found in different parts of the country.
Answer
True
Question 15.
Wool and silk fibres are obtained from animals and plants.
Answer
False
Question 16.
Pashmina shawls are woven from the fur of Kashmiri goats.
Answer
True
Question 17.
Larvae hatching from eggs of female silk moth are called pupa.
Answer
False
Question 18.
The silk fibre obtained from the cocoon of mulberry silk moth are soft and lustrous.
Answer
True
Question 19.
Removing the fleece of the sheep along with a thin layer of skin is called cutting.
Answer
False
Question 20.
The cotton thread and silk thread spun and woven in the same manner.
Answer
False
Question 21.
Science of raising silk worms so as to obtain silk cocoon is sericulture.
Answer
True
Question 22.
The cocoons are kept under the sun or boiled or exposed to steam.
Answer
True
Question 23.
The female silk moth lays one egg at a time.
Answer
False
Question 24.
The silk fibres cannot be dyed in beautiful colour.
Answer
False
Question 25.
Cotton clothes are thin and does not trap air.
Answer
True
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