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.
Which country is the world’s largest producer of wool in the world?
Paheli wanted to buy a gift made of animal fibre obtained without killing the animal. Which of the following would be the right gift for her to buy?
“Boojho wants to know the name of silk producing state(s) in India”. Select the correct option.
The term sericulture is used for
Read the following statements carefully and choose the incorrect sentence(s)?
Paheli wants to know the name of the wool producing states in India?
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?
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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