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Olympiad Test: Fibers To Fabric - 1


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20 Questions MCQ Test Science Olympiad Class 6 | Olympiad Test: Fibers To Fabric - 1

Olympiad Test: Fibers To Fabric - 1 for Class 6 2022 is part of Science Olympiad Class 6 preparation. The Olympiad Test: Fibers To Fabric - 1 questions and answers have been prepared according to the Class 6 exam syllabus.The Olympiad Test: Fibers To Fabric - 1 MCQs are made for Class 6 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Fibers To Fabric - 1 below.
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Olympiad Test: Fibers To Fabric - 1 - Question 1

Cotton is the most desirable fabric for making undergarments because it is:

Olympiad Test: Fibers To Fabric - 1 - Question 2

Which fabric has a dull surface?

Olympiad Test: Fibers To Fabric - 1 - Question 3

Which of the following fabrics does not take stains easily?

Detailed Solution for Olympiad Test: Fibers To Fabric - 1 - Question 3

Yes, silk is the most delicate type of material commonly used to make clothing. Unlike other materials such as cotton, which is much more forgiving when it comes to laundering and fabric care, silk is particularly susceptible to stains and damage from heat and light.

Olympiad Test: Fibers To Fabric - 1 - Question 4

The natural fibres are obtained from:

Olympiad Test: Fibers To Fabric - 1 - Question 5

Nylon and polyester are obtained from:

Detailed Solution for Olympiad Test: Fibers To Fabric - 1 - Question 5

These artificially manufactured fibres were made from polymers obtained from petrochemicals. These fibres are called synthetic or artificial fibres. The two most common ones are nylon and polyester. Nylon is made from two chemicals, adipic acid (AA) and hexamethylenediamine (HMD).

Olympiad Test: Fibers To Fabric - 1 - Question 6

An experiment that tests dye fixation on a 100% cotton-woven fabric would examine which of the following properties?

Olympiad Test: Fibers To Fabric - 1 - Question 7

Which of the following does not yield wool?

Detailed Solution for Olympiad Test: Fibers To Fabric - 1 - Question 7

 

Woolly dog does not yield wool. Wool comes from Yak, camel and goat. These wool-yielding animals bear hair on their body. Hair keeps these animals warm. Wool is derived from these hairy fibres.

Olympiad Test: Fibers To Fabric - 1 - Question 8

The rearing of silkworms to obtain silk is called:

Detailed Solution for Olympiad Test: Fibers To Fabric - 1 - Question 8

Sericulture: Rearing Of Silkworm To Produce Silk
Rearing silkworms to produce raw silk is called sericulture. In this process, silkworms are reared at appropriate temperature and humidity to get silk threads from cocoons.Sericulture: Rearing Of Silkworm To Produce Silk.
Rearing silkworms to produce raw silk is called sericulture. In this process, silkworms are reared at appropriate temperature and humidity to get silk threads from cocoons.

Olympiad Test: Fibers To Fabric - 1 - Question 9

Cotton bolls are developed from the:

Detailed Solution for Olympiad Test: Fibers To Fabric - 1 - Question 9

The ovary swells around the seeds and develops into a boll. As the bolls develop, the leaves on the plant turn red. About four months are needed for the boll to ripen and split open. A cotton boll contains 27 to 45 seeds and each seed grows between 10,000 and 20,000 hairs or fibers.

Olympiad Test: Fibers To Fabric - 1 - Question 10

Silk fibre obtained from silk moth is:

Detailed Solution for Olympiad Test: Fibers To Fabric - 1 - Question 10

Mulberry silkworm is a monophagous insect which reared on the leaves of mulberry only; the morin present in the leaves helps to attract the silkworm.

Olympiad Test: Fibers To Fabric - 1 - Question 11

Silkworms are reared on:

Olympiad Test: Fibers To Fabric - 1 - Question 12

Part of the jute plant that is used to make cloth is the:

Detailed Solution for Olympiad Test: Fibers To Fabric - 1 - Question 12

The jute fiber comes from the stem and ribbon (outer skin) of the jute plant. The fibers are first extracted by retting. The retting process consists of bundling jute stems together and immersing them in slow running water.

Olympiad Test: Fibers To Fabric - 1 - Question 13

Which fabric is made of staple fibre?

Detailed Solution for Olympiad Test: Fibers To Fabric - 1 - Question 13

A staple is the fiber of cotton, wool or ramie etc of no more than a few inches long. A filament is usually a man-made fiber of indefinite length. All fabrics woven, knitted or crocheted are made from yarn.

Olympiad Test: Fibers To Fabric - 1 - Question 14

Which of these is not a property of jute?

Olympiad Test: Fibers To Fabric - 1 - Question 15

Which of these do you think traps the most air?

Olympiad Test: Fibers To Fabric - 1 - Question 16

Ananya, Ranchit, Sanchit and Soni are talking about wool and silk. Who among them is correct?

Olympiad Test: Fibers To Fabric - 1 - Question 17

Can all the fleece of a sheep be used to make wool?

Olympiad Test: Fibers To Fabric - 1 - Question 18

Identify P in the given Venn diagram:

Olympiad Test: Fibers To Fabric - 1 - Question 19

The harvesting of which natural fiber includes rippling, retting, and scutching:

Detailed Solution for Olympiad Test: Fibers To Fabric - 1 - Question 19

Linen is a very strong fibre and slightly silky in appearance, due to the smooth, flat-surfaced nature of the phloem. Linen tends to be lint free, due to the length of the fibre. There are five stages between pulled up fibres and linen ready to be spun: Rippling, Retting, Breaking, Scutching and Hackling.

Olympiad Test: Fibers To Fabric - 1 - Question 20

What does filament mean?

Detailed Solution for Olympiad Test: Fibers To Fabric - 1 - Question 20

A filament is a fiber with an unlimited or seemingly infinite length. The long continuous filament fibers are measured in yards or meters. If a filament is bundled and cut it is called a tow. A fabric is created by fibers which have been spun into yarns and then bonded together.

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