Tag: botany

Quizzes (264) Questions (5276)

Questions Related to botany

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

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

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

Which of the following is an animal fiber?

  1. Silk

  2. Avian

  3. Alpaca

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
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. 

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

Animal fibers generally comprise of:

  1. collagen.

  2. keratin.
  3. both $A$ and $B$.

  4. triglycerides.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Animal fibers are natural fibers that consist largely of particular proteins. These proteins include collagen, keratin and fibroin.

examples include silk, sinew, wool, catgut, angora, mohair and alpaca.
The animal fibers used most commonly both in the manufacturing world as well as by the hand spinners are wool from domestic sheep and silk.

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

Bed sheets, curtains, tents, parachutes etc are made from :

  1. Natural fibres

  2. Synthetic fibres

  3. Yarn

  4. Plastics
Reveal answer Fill a bubble to check yourself
A,B Correct answer
Explanation

Fibres which are man-made are called synthetic fibres and which occurs naturally are called natural fibres. Rayon (synthetic fibre), when mixed with cotton (natural fibre), is used to making curtains, bedsheets etc. of clothes, ropes, seat-belts, curtains, sleeping bags, parachutes, tents etc.

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

Which of the following represents correct statement(s)?

  1. The fibers of some fabrics such as cotton, jute, silk and wool are obtained from plant and animals. These are called synthetic fibers.

  2. Cotton and jute are examples of fibers obtained from animals.

  3. Wool and silk fibers are obtained from plants.

  4. None of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The correct statements will be-


(A) The fibers of some fabrics such as cotton, jute, silk and wool are obtained from plant and animals. These are called natural fibers.

(B) Cotton and jute are examples of fibers obtained from plants.

(C) Wool and silk fibers are obtained from animals.