Synthetic Fibres and Plastics Test

Result

Synthetic Fibres and Plastics Test - 28

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Weekly Quiz Competition

Question 1
1 / -0

Polycot is a mixture of:

A
cotton and nylon

B
polyester and nylon

C
polyester and cotton

D
wool and polyester

Solution

Polycot is a mixture of polyester and cotton. It is prepared in the laboratory. Cotton is obtained from natural resources such as plants and whereas polyester is made in a laboratory from petroleum-derived chemicals. Polycot is designed to get the advantages of both the cotton and polyester fibres into one fabric.
Question 2
1 / -0

Which is the correct sequence in context with the least bio degradable to most biodegradable material?

A
Bones, Plastic, Paper, Metal Can

B
Paper, Metal Can, Bones, Paper

C
Plastic, Metal Can, Bones, Paper

D
Plastic, Bones, Paper, Metal Can

Solution

Plastics and metal cans do not get decomposed by microbial activity, making them the least biodegradable. The proteinaceous part of the bone is biodegradable, whereas the mineral-based part is non-biodegradable. The main components of paper are plant material cellulose, and most plant materials are biodegradable.
Thus, the correct answer is option C.
Question 3
1 / -0

Bullet proof helmets are made from :

A
lexan

B
saran

C
glyptal

D
thiokol

Solution

The bullet-resistant facemask is made out of Lexan, or other similarly ballistic resistant clear plastic. The military has employed lexan in the construction of bubble canopies for fighter and strike aircraft.

Hence, option A is correct.
Question 4
1 / -0

Which of the following is not synthetic fibres?

A
Polyester

B
Nylon

C
Acrylic

D
wool

Solution

Hemp is one of the fastest growing plant and one of the first plants to be spun into usable fibre.
Question 5
1 / -0

Suhana wants to present her friend gift made from plant fiber. Which of the following will she select?

A
Woolen shawl

B
Jute bag

C
Nylon scarf

D
Silk saree

Solution

Jute is a long, soft, shiny vegetable fiber that can be spun into coarse, strong threads. It is produced primarily from plants.
Wool is obtained from sheep.
Silk is obtained from the silkworm.
Nylon is a synthetic fiber that is prepared in the industry.

Therefore, the answer is a jute bag.
Question 6
1 / -0

Which of the following fibre is obtained by flax seeds?

A
Silk

B
Cotton

C
Linen

D
Polyester

Solution

Flax is cultivated both for its fibre, from which linen yarn and fabric are made and for its nutritional seeds called flax seed, from which linseed oil is obtained.
Hence, option $$C$$ is correct.
Question 7
1 / -0

Animal fibers are made of :

A
cellulose

B
protein

C
fats

D
animal cells

Solution

Animal fibers are the second most widely used natural fibers after vegetable or plant fibers. They are generally comprised of proteins and can be potential reinforcements in composites.
Examples of this fiber include wool fiber obtained from sheep, goats, lamas, rabbits, musk oxen, etc.
Question 8
1 / -0

Which of the following fibre is not a natural fibre?

A
Cotton

B
Silk

C
Nylon

D
Jute

Solution

Nylon is a man-made synthetic fibre prepared by the process of polymerization. Rest all other fibers mentioned in the options are obtained from natural sources like plants and animals.

Hence, option C is correct.
Question 9
1 / -0

Materials which are not obtained from plants and animals are called :

A
synthetic fibres

B
semi-synthetic fibres

C
natural fibres

D
None of the above

Solution

Fibers that are not obtained from plants and animals and are made in a laboratory using petrochemicals are called synthetic fiber.
Hence the option A is correct.
Question 10
1 / -0

Linen fibre is obtained from __________.

A
chia seeds

B
cotton seeds

C
flax plants

D
cotton flowers

Solution

Linen yarn is spun from the long fibers found just behind the bark in the multi-layer stem of the flax plant. In order to retrieve the fibers from the plant, the woody stem and the inner pith, which holds the fibers together in a clump, must be rotted away.
The cellulose fiber from the stem is spinnable and is used in the production of linen thread.
So, option $$C$$ is correct.

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Synthetic Fibres and Plastics Test - 28

Result

Synthetic Fibres and Plastics Test - 28

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SHARING IS CARING

Question 1

cotton and nylon

polyester and nylon

polyester and cotton

wool and polyester

Solution

Question 2

Bones, Plastic, Paper, Metal Can

Paper, Metal Can, Bones, Paper

Plastic, Metal Can, Bones, Paper

Plastic, Bones, Paper, Metal Can

Solution

Question 3

lexan

saran

glyptal

thiokol

Solution

Question 4

Polyester

Nylon

Acrylic

wool

Solution

Question 5

Woolen shawl

Jute bag

Nylon scarf

Silk saree

Solution

Question 6

Silk

Cotton

Linen

Polyester

Solution

Question 7

cellulose

protein

fats

animal cells

Solution

Question 8

Cotton

Silk

Nylon

Jute

Solution

Question 9

synthetic fibres

semi-synthetic fibres

natural fibres

None of the above

Solution

Question 10

chia seeds

cotton seeds

flax plants

cotton flowers

Solution

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