Tag: botany

Questions Related to botany

A yarn can be split into fine strands of a thread. State True or False.

  1. True

  2. False


Correct Option: A
Explanation:

Yarn itself is a loose thread and they can be split into thin strands. 

Yarn can be converted into fabrics by the process of spinning.

  1. True

  2. False


Correct Option: B
Explanation:

The process of making yarn from fibres is called spinning. Weaving is the process used to convert yarn into 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


Correct Option: A
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.

Moonj is used to make furniture.

  1. True

  2. False


Correct Option: A
Explanation:

The thick part of the grass is used in making furniture items; its outer skin makes for thatch. The leaf of the grass is called moonj.


The stem of the moonj plant is used to make huts, traditional furniture (Table, Mudde) and eco-friendly toys.

Silk fibre is drawn from the cocoon of _________.

  1. butterfly

  2. worm

  3. silkworm

  4. both $A$ and $B$


Correct Option: C
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.

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.