Class 7 Science Chapter 3 MCQ (Multiple Choice Questions) of Fibre to Fabric. There are about 20 sets of MCQ tests, each test containing 5 questions with answers and explanation of answers updated for new academy session 2022-23. These questions are design in such a way, it covers all the important questions, intext questions and keywords of the chapter 3 of class 7 Science.
Class 7 Science Chapter 3 MCQ for 2022-23
Class: | 7 |
Subject: | Science |
Contents: | Multiple Choice Questions – MCQ Tests |
Class 7 Science Chapter 3 MCQ Tests
Class 7 Science Chapter 3 MCQ tests with answers and explanation are given below. It provides the complete revision for 7th Science Chapter 3. Every time starts a new test, when you click the button Start a New Test. After attempting 3 or 4 tests out of these 20 tests, you will feel confident about this chapter. It will also help in solving doubts related to Chapter 3 of grade 7 Science.
Which country is the world’s largest producer of wool in the world?
The silkworm is
Which is the world’s best-known textile fibre brand?
Certain breeds of sheep have thick coat of hair which is famous for
The eggs of silkworm are stored in which of the following things?
Which country is the second largest producer of silk in the world?
The general process that takes place at a sheep shearing shade is
What do you mean by “Raw silk”?
Silk fibre is obtained from
“Boojho wants to know the name of silk producing state(s) in India”. Select the correct option.
The term sericulture is used for
Which of the following statement is or incorrect?
Read the following statements carefully and choose the incorrect sentence(s)?
Which of the following statement is or are incorrect?
Selective breeding is a process of
Paheli wants to know the name of the wool producing states in India?
Paheli and Boojho argued about the different words. Choose which of the statement is or are incorrect?
Paheli wants to know, what the maximum length of continuous silk thread that can be obtained from a cocoon?
Which of the following is not a type of silk?
Boojho wants to know why caterpillars need to shed their skin but we humans do not?
Read the following statement about wool yielding animals and choose the incorrect sentence.
Reeling of silk is
Paheli wants to know that generally in which situation bleaching and dyeing of silk fibres (adding colours) are usually done?
Boojho wants to know the name of the wool producing states in India?
Which of the following statement is or are incorrect?
Important Questions of 7th Science Chapter 3
What is the name of silkworms?
Silk is also natural animal fibre, obtained from the silkworms named Bombyx Mori.
What is Sericulture?
The practice of rearing silkworms to produce silk is called Sericulture.
What are the common helth problems from which workers suffering in Sericulture industry?
Respiratory disorders, Asthma, scabies, blisters and skin infections are some of the common health problems that workers working in sericulture industry suffer from.
What do you know about Reeling?
The process of collecting of silk thread from cocoons is Reeling.
Uses of Silk
- In the manufacture of clothing, dress materials, curtains and upholstery.
- For handicrafts and items like parachutes, bicycle tyres, comforter filling and artillery gunpowder bags.
- Through a special manufacturing process, it is made suitable for use as nonabsorbable surgical sutures.
- Doctors also use it to make prosthetic arteries.
- As a material to write on.
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