Tag: fibres

Questions Related to fibres

The fibre that burns completely leaving no residue is:

  1. Cotton

  2. Acrylic

  3. Polyester

  4. Polythene


Correct Option: A
Explanation:

Cotton is the fibre that bums completely, leaving no residue.

It is advised to wear clothes in summer made of:

  1. Silk

  2. Wool

  3. Nylon

  4. Cotton


Correct Option: D
Explanation:

In summer, it is advised to wear clothes made of cotton. We sweat a lot in summers. Cotton is a good absorber of water. Thus, it absorbs sweat from our body and exposes the sweat to the atmosphere, making its evaporation faster.


Hence, option D is correct.

When you visit a hill station, which of the following you should use for shopping?

  1. bags made up of cotton

  2. bags made up of polyethene

  3. bags made up of nylon

  4. none of the above


Correct Option: A
Explanation:

Hill stations are crowded and have waste disposal problem. Thus, plastic use should be minimum. Some hill stations like Nainital, have banned use of polyethene bags.

Which part of the cotton plant yields cotton balls?

  1. Leaf

  2. Fruit

  3. Seed

  4. Flower


Correct Option: B
Explanation:

The fruit part of cotton plant yields cotton balls.

Preshrink cotton is called:

  1. natural cotton

  2. terycotton

  3. sanforized cotton

  4. none of the above


Correct Option: C
Explanation:

Preshrink cotton is known as sanforized cotton.

Which of the following statements is not true?

  1. Fabric is made of yarn.

  2. Jute is the outer covering of coconut.

  3. Polyester is a synthetic fibre.

  4. Silk fibre is obtained from silk worms.


Correct Option: B
Explanation:

The outer covering of coconut is called coir.

Define fibres.

  1. They are continuous filaments similar to thread

  2. Filaments made up of cellulose only

  3. Thread like filaments which are man made

  4. Thick rope like structures made up of tree bark


Correct Option: A
Explanation:

Fibers  are a class of hair-like materials that are continuous "'filaments"' or are in discrete elongated pieces, similar to pieces of thread. They can be used as a component of composite materials. 

Which of the following is an animal fiber?

  1. Silk

  2. Avian

  3. Alpaca

  4. All of the above


Correct Option: D
Explanation:

Animal fibers are generally made up of proteins. 

Examples include silk, wool, angora, mohair, and alpaca. Silk fiber collected from dried saliva of bugs or insects during the preparation of cocoons. 
Avian fibers from birds, for example, feathers and feather fiber. 

_____________ fibres are obtained from plants and animals.

  1. Natural 

  2. Plant

  3. Animal

  4. Synthetic


Correct Option: A
Explanation:

Natural fibres are obtained from plants and animals.

Examples of natural fibres are wool, silk, etc.

___________________ are obtained from cotton plant and sheep respectively.

  1. Wool and cotton

  2. Cotton and wool

  3. Silk and wool

  4. Wool and silk


Correct Option: B
Explanation:

Cotton is obtained from cotton plant and wool is obtained from sheep.