Class 7 Science Chapter 3 MCQ
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 2020-21.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 2020-21
|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.
Certain breeds of sheep have thick coat of hair which is famous for
Paheli wants to know the name of the breed which is famous for good quality of wool?
Paheli wants to know the name of wool producing countries in the world? Would you help her?
What do you mean by “Raw silk”?
Read the following statements carefully and choose the incorrect sentence(s)?
Silkworms secrete fibre made of
Paheli and Boojho argued about the different words. Choose which of the statement is or are incorrect?
Boojho wants to know the wool producing states in India, from the given options?
Paheli wants to know that generally in which situation bleaching and dyeing of silk fibres (adding colours) are usually done?
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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