Questions Related to botany

Multiple choice botany fibre to fabric: plant fibre classification of fibres fibres history of fabric

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

  1. synthetic fibres

  2. semi-synthetic fibres

  3. natural fibres

  4. None of the above

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Fibres which are not obtained from plants and animals and are made in a laboratory using petrochemicals are called synthetic fibre.


Hence the option A is correct.

Multiple choice botany fibre to fabric: plant fibre classification of fibres fibres history of fabric

Silk fibre is drawn from the cocoon of _________.

  1. butterfly

  2. worm

  3. silkworm

  4. both $A$ and $B$
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Silkworm, its larvae are fed with mulberry leaves, and, after the fourth moult, they climb a twig placed near them and spin their silken cocoons. 


This process is achieved by the worm through a dense fluid secreted from its structural glands, resulting in the fibre of the cocoon.

Hence the option C is correct.

Multiple choice botany fibre to fabric: plant fibre classification of fibres fibres history of fabric

It is advised to wear clothes in summer made of:

  1. Silk

  2. Wool

  3. Nylon

  4. Cotton

Reveal answer Fill a bubble to check yourself
D Correct answer
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.

Multiple choice botany fibre to fabric: plant fibre classification of fibres fibres history of fabric

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

Reveal answer Fill a bubble to check yourself
A Correct answer
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.