Class 7 chemistry MCQs with answers are provided here for Chapter 3 Fibre to Fabric. These MCQs are based on the CBSE board curriculum and correspond to the most recent Class 7 chemistry syllabus. By practising these Class 7 Multiple choice questions, students will be able to quickly review all of the ideas covered in the chapter and prepare for the Class 7 annual examinations as well as other competitive exams.
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Class 7 Fibre to Fabric MCQs
1. Which of the following animals yields wool?
a) Yak
b) Goat
c) Both (a) and (b)
d) None of the above
Answer: c
2. _______ phase requires a lot of feeding.
a) Caterpillar
b) Larva
c) Both (a) and (b)
d) None of the above
Answer: c
3. Which state is a leading producer of wool?
a) Himachal Pradesh
b) Punjab
c) Haryana
d) None of the above
Answer: b
4. Which of the following is an animal fibre?
a) Wool
b) Silk
c) Both (a) and (b)
d) None of the above
Answer: c
5. _______ is responsible for Sorter’s disease.
a) Anthrax
b) Bacillus
c) Silkworm
d) None of the above
Answer: a
6. Which of the following countries is the leading producer of silk?
a) The United States of America
b) China
c) Las Vegas
d) None of the above
Answer: b
7. Which of the following fibre is obtained from the angora goat?
a) Mohair wool
b) Alpaca wool
c) Cashmere wool
d) None of the above
Answer: a
8. Which of the following is a plant fibre?
a) Cotton
b) Coir
c) Jute
d) All of the above
Answer: d
9. What are the four stages of the silkworm?
a) Egg, Larva, Pupa, Adult
b) Seed, Larva, Pupa, Adult
c) Seed, Larva, Moth, Adult
d) Egg, Pupa, Moth, Adult
Answer: a
10. How many silkworms are reared to produce a kg of silk?
a) 1200
b) 5500
c) 2900
d) Cannot be determined
Answer: b
11. We can use ______ to obtain silk thread from cocoons.
a) Reeling
b) Sorting
c) Scouring
d) All of the above
Answer: a
Explanation: Reeling is used to obtain silk fibre from the cocoons. It is done either manually or by special machines when the silk fibre is delicately unwounded.
12. Which of the following fibre is rough to touch?
a) Silk
b) Wool
c) Cotton
d) None of the above
Answer: b
13. Which of the following processes is used to clean sheared skin?
a) Reeling
b) Scouring
c) Sorting
d) None of the above
Answer: b
14. Which of the following countries produces the best wool?
a) Australia and New Zealand
b) China and The United States of America
c) Australia and United Kingdoms
d) None of the above
Answer: a
15. Which of the following are wool-yielding animals of the camel family?
a) Alpaca and Yak
b) Alpaca and Llama
c) Llama and Yak
d) None of the above
Answer: b
16. Which of the following produces the finest wool?
a) Merino sheep
b) Alpaca camel
c) Llama camel
d) None of the above
Answer: a
17. Which of the following fibre is made of protein?
a) Silk
b) Wool
c) Jute
d) None of the above
Answer: a
18. ________ and ______ are obtained from animals.
a) Cotton and Jute
b) Silk and Wool
c) Wool and Teflon
d) None of the above
Answer: b
19. ______ traps more air in it as compared to _______.
a) Wool, silk
b) Silk, wool
c) Jute, wool
d) Polyester, wool
Answer: a
20. Angora goat produces ______ fibre.
a) Cashmere
b) Mohair
c) Alpaca
d) None of the above
Answer: b
Read Also:
- Synthetic Fibres and Natural Fibres
- Chemistry Worksheets Class 7 on Chapter 3 Fibre to Fabric with Answers – Set 1
- Chemistry Worksheets Class 7 on Chapter 3 Fibre to Fabric with Answers – Set 2
- Chemistry Worksheets Class 7 on Chapter 3 Fibre to Fabric with Answers – Set 3
- Chemistry Concept Questions and Answers
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