Fibre to Fabric-Animal Fibres (CBSE Class-7 Science): Questions 1 - 7 of 9

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Question number: 1

» Fibre to Fabric » Animal Fibres » Processing Fibres Into Wool

MCQ▾

Question

Grease wool is processed into its finished products by either:

Choices

Choice (4) Response
a.

Worsted system

b.

Woollen system

c.

Worsted & Woollen system

d. Question does not provide sufficient data or is vague

Question number: 2

» Fibre to Fabric » Animal Fibres » Wool

MCQ▾

Question

Hairy skin of the sheep has two types of fibres:

Choices

Choice (4) Response
a.

Lambs and Merino

b.

Crossbred and fine soft

c.

Coarse and wiry

d.

Coarse and fine soft

Question number: 3

» Fibre to Fabric » Animal Fibres » Occupational Hazard

MCQ▾

Question

Health risks faced by workers of an industry are called as:

Choices

Choice (4) Response
a.

Sorter’s disease

b.

Occupation hazards

c.

Disease

d. None of the above

Question number: 4

» Fibre to Fabric » Animal Fibres » Processing Fibres Into Wool

MCQ▾

Question

Coarser fibres are then twisted into rope like structures is called as:

Choices

Choice (4) Response
a.

Weaving

b.

Crabbing

c.

Roving

d. All of the above

Question number: 5

» Fibre to Fabric » Animal Fibres » From Fibres to Wool

MCQ▾

Question

What is Shearing?

Choices

Choice (4) Response
a.

Process of harvesting the wool

b.

The clean wool is passed through rollers

c.

Interlocks yarns into loops

d.

Interlocks pieces of yarn at right angles to one another

Question number: 6

» Fibre to Fabric » Animal Fibres » From Fibres to Wool

MCQ▾

Question

Clean wool is passed through roller, which is turn, straighten the fibres and removes unwanted matter is called as:

Choices

Choice (4) Response
a.

Spinning

b.

Carding

c.

Dyeing

d. None of the above

Question number: 7

» Fibre to Fabric » Animal Fibres » Wool

MCQ▾

Question

Wool is widely used in clothing because:

Choices

Choice (4) Response
a.

Its fibres uncurl when stretched but return to their original state when released.

b.

Each fibre is covered with scales

c.

It resists creasing and crushing

d. All a. , b. and c. are correct

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