Class 7 Science Chapter 3 MCQs Questions With Answers NCERT
We have compiled the NCERT MCQ Questions for Class 7 Science Chapter 3 Fibre to Fabric with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 7 Science with Answers on a daily basis and score well in exams. Refer to the Fibre to Fabric Class 7 MCQs Questions with Answers here along with a detailed explanation.
Fibre to Fabric Class 7 MCQ
Choose the correct option.
Question 1.
Fibre is obtained from
(a) animals Silk is obtained from
(b) plants
(c) both(a) and (b)
(d) none of these
Answer
Answer: (c) both(a) and (b)
Question 2.
Silk is obtained from
(a) Llama
(b) yak
(c) sheep
(d) cocoon
Answer
Answer: (d) cocoon
Question 3.
Which one of the following is a wool-yielding animal?
(a) Sheep
(b) Angora goat
(c) Camel
(d) All of these
Answer
Answer: (d) All of these
Question 4.
Which of the following is not a wool-yielding animal?
(a) Goat
(b) Yak
(c) Sheep
(d) None of these
Answer
Answer: (d) None of these
Question 5.
Yak wool is common in
(a) india
(b) america
(c) tibet
(d) china
Answer
Answer: (c) tibet
Question 6.
Which of the following wool-yielding animal is suitable for making Pashmina shawls?
(a) Kashmiri goat
(b) Angora goat
(c) Llama
(d) Alpaca
Answer
Answer: (a) Kashmiri goat
Question 7.
Sheep are
(a) herbivores
(b) omnivores
(c) carnivores
(d) parasite
Answer
Answer: (a) herbivores
Question 8.
Which of following breeds of Indian sheep is suitable for hosiery?
(a) Patanwadi
(b) Marwari
(c) Nali
(d) None of these
Answer
Answer: (a) Patanwadi
Question 9.
Which of the following fibres are made into wool for sweaters?
(a) Shorter fibres
(b) Longer fibres
(c) Both (a) and (b)
(d) None of these
Answer
Answer: (b) Longer fibres
Question 10.
Which of the following article obtained from animal do not kill the animal?
(a) Leather jacket
(b) Silk saree
(c) Woollen shawl
(d) Ivory bangles
Answer
Answer: (c) Woollen shawl
Question 11.
Which of the following is not a type of silk?
(a) Tassar silk
(b) Moth silk
(c) Mooga silk
(d) Mulberry silk
Answer
Answer: (b) Moth silk
Question 12.
The caterpillars of silkworms feed on
(a) peepal leaves
(b) grass
(c) rose leaves
(d) mulberry leaves
Answer
Answer: (d) mulberry leaves
Question 13.
Silk yarn is obtained from
(a) caterpillar
(b) cocoon
(c) pupa
(d) none of these
Answer
Answer: (b) cocoon
Question 14.
Silkworms secrete fibre made of
(a) fat
(b) cellulose
(c) protein
(d) starch
Answer
Answer: (c) protein
Question 15.
Silk is obtained from silk worm which lives on
(a) mango leaves
(b) banana leaves
(c) mulberry leaves
(d) maple leaves
Answer
Answer: (c) mulberry leaves
Question 16.
Which type of wool is common in Ladakh and Tibet?
(a) Yak wool
(b) Sheep wool
(c) Angora wool
(d) Pashmina wool
Answer
Answer: (a) Yak wool
Question 17.
Pashmina shawl is found in
(a) Gujarat
(b) Kashmir
(c) Rajasthan
(d) South America
Answer
Answer: (b) Kashmir
Question 18.
Animal fibre is made up of
(a) cellulose
(b) protein
(c) nylon
(d) rayon
Answer
Answer: (b) protein
Question 19.
Which of the following processes is not a part of wool extraction.
(a) Shearing
(b) Scouring
(c) Sorting
(d) Reeling
Answer
Answer: (d) Reeling
Question 20.
Removal of wool from a sheep is known as
(a) rearing
(b) shearing
(c) sorting
(d) scouring
Answer
Answer: (b) shearing
Question 21.
Sericulture is
(a) rearing of silk worms
(b) rearing of sheep
(c) rearing of honeybees
(d) cotton plantation
Answer
Answer: (a) rearing of silk worms
Question 22.
The fleece is combed to remove
(a) burrs
(b) dust
(c) low quality hairs
(d) none of these
Answer
Answer: (a) burrs
Question 23.
The fibre obtained from cocoon of silk worm is
(a) cotton
(b) jute
(c) silk
(d) nylon
Answer
Answer: (c) silk
Question 24.
Which of the following not a natural fibre?
(a) Silk
(b) Cotton
(c) Polyester
(d) Wool
Answer
Answer: (c) Polyester
Question 25.
For how long do the caterpillars eat mulberry leaves?
(a) 10 to 15 days
(b) 20 to 25 days
(c) 25 to 30 days
(d) 5 to 10 days
Answer
Answer: (c) 25 to 30 days
Question 26.
Reeling of silk is
(a) a process of making silk reels
(b) spinning of silk fibres
(c) weaving of silk cloth
(d) the process of taking silk thread from cocoon
Answer
Answer: (d) the process of taking silk thread from cocoon
Fill in the Blanks
Question 1.
Wool is obtained from the _________ of sheep or yak.
Answer
Answer: Fleece
Question 2.
A fabric is made up of_________ .
Answer
Answer: fibres
Question 3.
The fibres are spun into ________ and then it is woven into
Answer
Answer: yarns, fabric
Question 4.
Fibres can be obtained from both _________ and ________
Answer
Answer: plants, animals
Question 5.
The wool-yielding animals have _________ on their body.
Answer
Answer: hair
Question 6.
The quality of wool depends upon the ________ of sheep.
Answer
Answer: breed
Question 7.
The fine hair provides the fibres for making _________ .
Answer
Answer: wool
Question 8.
Some breeds of sheep have only soft _________ .
Answer
Answer: under-hair
Question 9.
Wool commonly available in the market is _________ wool.
Answer
Answer: sheep
Question 10.
Angora goats are found in _________ regions such as _________ .
Answer
Answer: hilly; Jammu and Kashmir
Question 11.
Alpaca is found in _________ .
Answer
Answer: South America
Question 12.
Marwari breed of sheep is found in _________ .
Answer
Answer: Gujarat
Question 13.
Nowadays scouring is done by _________ .
Answer
Answer: machines
Question 14.
__________ of silk is the process of taking silk threads from cocoon.
Answer
Answer: Reeling
Question 15.
Mooga is a type of ______
Answer
Answer: silk
Question 16.
Wool is obtained from ………………….. of the sheep.
Answer
Answer: Fleece
Question 17.
………………….. wool is obtained from Angora goat.
Answer
Answer: Angora
Question 18.
Wool from the Kashmiri goat is used to prepare ………………….. shawls.
Answer
Answer: Pashmina
Question 19.
Silk and wool are ………………….. fibres.
Answer
Answer: Animal
Question 20.
Silk fibre is made up of a …………………..
Answer
Answer: Protein
Question 21.
Rearing of a silkworm to obtain the silk is called …………………..
Answer
Answer: Sericulture
Question 22.
Silk is obtain from ………………….. of the silk moth.
Answer
Answer: cocoon
True or False
Question 1.
Rampur bushair breed of Indian sheep has carpet quality wool.
Answer
Answer: False
Question 2.
Coarse wool is obtained from Marwari breed sheep.
Answer
Answer: True
Question 3.
Wool is obtained from skin of sheep.
Answer
Answer: False
Question 4.
Separation of wool of different textures is called shearing.
Answer
Answer: False
Question 5.
In India, camels and goat are generally reared for obtaining wool.
Answer
Answer: False
Question 6.
Shearing hurts the sheep.
Answer
Answer: False
Question 7.
After sorting, scouring is done in the process of making fibres into wool.
Answer
Answer: False
Question 8.
Hair of wool yielding animals cannot trap air.
Answer
Answer: False
Question 9.
The fur on the body of camels is also used as wool.
Answer
Answer: True
Question 10.
Yak is not a wool yielding animal.
Answer
Answer: False
Question 11.
Burrs are the large fluffy fibres.
Answer
Answer: False
Question 12.
The hairs of camel, llama and alpaca are processed to yield wool.
Answer
Answer: True
Question 13.
Silk fibres are spun into silk threads.
Answer
Answer: True
Question 14.
Weavers weave silk threads into woollen cloth.
Answer
Answer: False
Question 15.
A pile of cocoons is used for obtaining silk fibres.
Answer
Answer: True
Question 16.
Silkworms are caterpillars of silk moth.
Answer
Answer: True
Question 17.
In India, camels and goats are generally reared for obtaining wool.
Answer
Answer: False
Question 18.
Yak hair is not used to make woollen fabric.
Answer
Answer: False
Question 19.
Silk is obtained form the cocoon.
Answer
Answer: True
Question 20.
Silk is obtained from the leaves of mulberry plant.
Answer
Answer: False
Question 21.
Wool and silk are plant fibres.
Answer
Answer: False
Question 22.
Silk fibres are chemically protein in nature.
Answer
Answer: True
Question 23.
Mulberry silk moth is the most common silk moth.
Answer
Answer: True
Match the items given in column I suitably with those given in column II.
| Column I | Column II |
| 1. Camel wool | (a) Morus alba |
| 2. Angora wool | (b) Cleaning wool |
| 3. Kashmiri goat | (c) Cutting off wool |
| 4. Sheep wool | (d) Baby blanket |
| 5. Silkworm | (e) Anthrax |
| 6. Mulberry tree | (f) Pashmina shawl |
| 7. A disease | (g) Woollen carpet |
| 8. Scouring | (h) Bombyx mori |
| 9. Shearing | (i) Woolly covering |
| 10. Fleece | (j) Woollen sweater |
Answer
Answer:
| Column I | Column II |
| 1. Camel wool | (g) Woollen carpet |
| 2. Angora wool | (d) Baby blanket |
| 3. Kashmiri goat | (f) Pashmina shawl |
| 4. Sheep wool | (j) Woollen sweater |
| 5. Silkworm | (h) Bombyx mori |
| 6. Mulberry tree | (a) Morus alba |
| 7. A disease | (e) Anthrax |
| 8. Scouring | (b) Cleaning wool |
| 9. Shearing | (c) Cutting off wool |
| 10. Fleece | (i) Woolly covering |
| Column A | Column B |
| 1. Sheep | (a) The rearing of silkworm to get silk. |
| 2. Burr | (b) Wool |
| 3. camel | (c) Fur |
| 4. Mulberry leaves | (d) Silkworm |
| 5. Sericulture | (e) Fluffy fibres |
Answer
Answer:
| Column A | Column B |
| 1. Sheep | (b) Wool |
| 2. Burr | (e) Fluffy fibres |
| 3. camel | (c) Fur |
| 4. Mulberry leaves | (d) Silkworm |
| 5. Sericulture | (a) The rearing of silkworm to get silk. |
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