Fibres from Plants

Q. What are fibres?

Q.

Cotton is obtained from which part of the cotton plant?

1. Stem

2. Flower

3. Seeds

4. Fruit

Q.

Differentiate between natural and man-made fibres with the help of an example. [2 MARKS]

Q.

Sushweta wants to present her friend a gift made of plant fibre. Which one of the following will she select?

1. Nylon scarf

2. Jute bag

3. Woollen shawls

4. Cotton kurtis

Q.

Pick the synthetic fiber out of the following?

1. Cotton

2. Nylon

3. Jute

4. Wool

Q. Name two items that are made from coconut fibre.

Q.

Give one example each of manmade and natural fibre. [2 MARKS]

Q. Fibres based on cellulose as their structural material are

(a) flax
(b) cashmere
(c) silk
(d) wool

Q. Which of these is not an animal fibre?

(a) wool
(b) silk
(c) jute
(d) angora

Q.

How the synthetic fibres are made?

Q.

7. Sate whether the sentences are true or false. Correct and rewrite the wrong sentences.

b. All fibres are made of cotton wool.

1. True
2. False

Q. Which part of the jute plant is used for getting jute fibre?

1. Root
2. Leaves
3. Flower
4. Stem

Q. What are natural fibres?

Q.

Which is the odd one?

1. Nylon

2. Terylene

3. Polyester

4. Wool

Q. What is the structural difference between white collagen fibres and yellow elastin fibres?

Q. Identify the product based on the given features.
I. It is a man-made product.
II. It has a linear arrangement of monomer units.
III. It is used for making goods like toys, combs, containers, etc.

1. Jute
2. Thermoplastics
3. Thermosets
4. Rayon