Explore topic-wise MCQs in Science.

This section includes 73 Mcqs, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.

1.

The process of separating fibres of cotton from its seeds is called:

A. Knitting 
B. Ginning
C. leaues 
D. Weaving
E. None of these
Answer» C. leaues 
2.

If P represents the fibre and Q represents the fabric, find out the correct order in which Q is made from P.  

A. P, Weaving, Spinning, Obtained from source, Yarn, Q
B. P, Obtained from source, Spinning, Weaving, Yarn, Q
C. wheat  
D. None of these 
Answer» D. None of these 
3.

Refer to the given flow chart and select the correct option. 

A. X-Flax,   V-Silk   
B. W- Cotton, V- Silk  
C. Both (a) and (b)    
D. X-Jute,   Z-Wool
Answer» D. X-Jute,   Z-Wool
4.

_____ is used to make yam from fibres.

A. Loom   
B. Spinning wheel
C.  Levelling \[\to \] manuring\[\to \] sowing irrigation.
D. Ginning
E. None of these
Answer» C.  Levelling \[\to \] manuring\[\to \] sowing irrigation.
5.

Which of the following does not belong to the group formed by others?

A.  Polyester   
B.  Silk 
C.  The removal of microorganisms.
D.  Terylene
Answer» C.  The removal of microorganisms.
6.

Silk thread is obtained from which stage of lifecycle of silkworm?

A. Egg
B. Adult silkworm
C.  Genetic engineering
D. Cocoon
E. None of these
Answer» E. None of these
7.

Which of the following is the main ingreadient of the cotton fibre?

A. Cellulose 
B. Protein
C.  Dependence on fertilizers, weedicides and pesticides.
D. Pectin
E. None of these
Answer» B. Protein
8.

Weaving is a process used for:

A. Preparing yarns    
B. Preparing fabrics
C.  Excessive irrigation
D. All the above
E. None of these
Answer» C.  Excessive irrigation
9.

Which of the following is not an artificial fibre?

A. Rayon  
B. Nylon
C.  Crocodile   
D. Acrylic
E. None of these
Answer» F.
10.

Raghu wants to gift his friend something that is made of animal fibre. Which gift will he give?

A. Cotton clothes 
B. Silk kurta
C.  Rabbit   
D. Both [b] and [c]
E. None of these
Answer» E. None of these
11.

Silk cotton is a:

A. Plant fibre  
B. Animal fibre
C.  Herbivore  
D. Both [a] and [b]
E. None of these
Answer» B. Animal fibre
12.

The fabrics which are made from fibres obtained from cotton, silk and jute are known as:

A. Nylon fibres
B. Artificial fibres
C.  Radish   
D. Acrylic fibres
E. None of these
Answer» D. Acrylic fibres
13.

Which of the following should come in the empty box given below?

A.  Spindle 
B.  Handpicking
C.  Chilly
D.  Handloom
Answer» B.  Handpicking
14.

Which of the following is not a thing made up of a natural fibre?

A. Cotton shirt 
B. Woollen socks
C. 20 
D. Silk sarees
E. None of these
Answer» F.
15.

Which of the following will be more stretchable?

A. Knitted fabric
B. Woven fabric
C. Fruits  
D. Either [a] are [b]
E. None of these
Answer» B. Woven fabric
16.

Which of the following materials is grouped wrongly in the chart given below?

A.  Flax  
B.  Rayon 
C. only to chew the food.   
D.  Polyester
Answer» C. only to chew the food.   
17.

The fibre containing pod of cotton is called:

A. Cotton stem  
B. Cotton boll
C. Tongue
D. Cotton flower
E. None of these
Answer» C. Tongue
18.

Which of the following statements is true about woollen fibre?

A.  Wool is a poor insulator of heat.
B.  Wool is a good insulator of heat.
C.    Boiling 
D.  Wool is cheaper than cotton.
Answer» C.    Boiling 
19.

Yams are produced from:

A. Network of plastic wires.
B. Fibres spun together.
C.  Premolars 
D. Burning of fabrics.
E. None of these
Answer» C.  Premolars 
20.

_____ is removing the wool from sheep using special clippers.

A. Soaking    
B. Shearing
C. Food items in block (1) and (2) should be interchanged.
D. Weaving
E. None of these
Answer» C. Food items in block (1) and (2) should be interchanged.
21.

Which of the following was not used by ancient people to cover their bodies?

A. Big leaves of trees  
B. Animal skins
C.   (1) (2) e f    
D. Furs
E. None of these
Answer» D. Furs
22.

Which of the following machines work on the principle of charkha?

A.  Dyeing machine
B.  Shearing machine
C.    2 and 3 only  
D.  Power loom
Answer» D.  Power loom
23.

Which among the following is the leading country in the production of silk?

A. Japan   
B. China
C.  beri-beri.  
D. Australia
E. None of these
Answer» C.  beri-beri.  
24.

___ is/are removed by combing woollen fibres.

A. Dust 
B. Fleece
C.  gives energy instantly.
D. Grease
E. None of these
Answer» D. Grease
25.

The flax fibre is obtained from ____ of flax plant.

A. Flower
B. Root
C.  Small intestine
D. Leaves
E. None of these
Answer» C.  Small intestine
26.

Silk is obtained from which stage of the lifecycle of silkworm?

A. Egg  
B. Larva
C.  malaria.
D. Adult
E. None of these
Answer» D. Adult
27.

Which of the following statements is not correct? (i)  Coarse wool is obtained from Marwari. (ii) Anthrax is a viral disease. (iii) Combing is done before scouring. (iv) Bakharwal is found in Jammu and Kashmir.

A. (i) and (ii)
B. (ii) and (iii)
C. Spinning   
D. (i) and (iv)
E. None of these
Answer» C. Spinning   
28.

Refer to the given flow chart and select the correct statement regarding P, Q, R and S. 

A. P is the strongest natural fibre.
B. Q is made up of protein while R is made up of cellulose.
C. P, Obtained from source, Spinning, Yarn, Weaving, Q
D. R is composed of fibroin and sericin.
Answer» E.
29.

Which of the following is formed when fibres are twisted by spinning?

A.  Warp   
B.  Weft
C. W-Flax,  Z-Wool
D.  Yarn   
Answer» E.
30.

Which of the following breeds of sheep is found in Rajasthan?

A. Lohi 
B. Nali
C. Process of producing yarn from fibres is known as ginning.
D. Both [a] and [b]
E. None of these
Answer» E. None of these
31.

Reeling refers to:

A. Rearing of silk worms.
B. Taking out silk fibres from the cocoons.
C. Knitting needle  
D. Burning of silk.
E. None of these
Answer» C. Knitting needle  
32.

Refer to the given flow chart and select the incorrect option regarding P, Q, R and S.

A. P is a protein fibre whereas Q, R and S are cellulosic fibres.
B. Retting is involved in processing of Q whereas ginning is involved in processing of S.
C.  Rayon
D. Fabrics made from P and S are excellent winter clothing's whereas fabrics made from Q and R form excellent summer clothing's.
Answer» E.
33.

In South America wool is obtained from which of the following animals?

A.  Goat and Sheep
B.  Angora Goat
C. Caterpillar   
D.  Yak and Sheep
Answer» D.  Yak and Sheep
34.

Sericulture is related to which of the following animals?

A. Silkworm  
B. Hen
C. Glucose
D. Cow
E. None of these
Answer» B. Hen
35.

Refer to the given figures, X and Y and select the correct statement regarding them.

A. X is used in spinning while Vis used in weaving.
B. Both X and Yare used in the process of twisting fibres to make yarn.
C. Preparing fibres 
D. Both X and Y are used in the process of making fabric from two sets of yarns.
Answer» C. Preparing fibres 
36.

Which of the following is an animal product?

A. Silk  
B. Cotton
C. Polyester   
D. Both [a] and [c]
E. None of these
Answer» E. None of these
37.

Which part of the cotton plant yields cotton bolls?

A.  Leaf 
B.  Fruit   
C. Woolen sweater 
D.  Flower
Answer» C. Woolen sweater 
38.

Hand looms or power looms are used for which of the following?

A. Ginning 
B. Weaving
C. Synthetic fibre 
D. Shearing
E. None of these
Answer» C. Synthetic fibre 
39.

Which of the following animals does not yield wool?

A. Goat
B. Buffalo
C. Natural fibres 
D. Alpaca
E. None of these
Answer» C. Natural fibres 
40.

Which of the following is a plant fibre?

A. Flax 
B. Wool
C.  Ginning
D. Both [b] and [c]
E. None of these
Answer» B. Wool
41.

DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 3 The cotton is separated from the seeds in machines called

A. gins 
B.   spindle
C. Jute bag
D.   charkha
Answer» B.   spindle
42.

DIRECTIONS: On the basis of following diagram/picture answer the questions given below: Arrange the given figures of different phases of life cycle of silkworm in correct sequence

A.  I\[\to \]II\[\to \]III   
B.  III\[\to \]I\[\to \]II
C. Both are equally stretchable
D.  III\[\to \]II\[\to \]I
Answer» C. Both are equally stretchable
43.

DIRECTIONS: Match Column-I with Column-II and select the correct answer using the codes given below the columns. Column - I Column - II A. Pulled and twisted strands to make fibre (p) Un spun cotton B. Used for making gunny bags (q) Yarn C. Strongest man-made fibre (r) Jute D. Used as fillers in pillow, mattresses (s) Nylon

A. \[A\to (q);B\to (r);C\to (s);D\to (p)\]
B. \[A\to (r);B\to (s);C\to (q);D\to (p)\]
C.  Terylene  
D. \[A\to (p);B\to (r);C\to (q);D\to (s)\]
Answer» B. \[A\to (r);B\to (s);C\to (q);D\to (p)\]
44.

DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other labelled as ?Reason R?. You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion (A): Silkworms are usually killed with heat before it reaches the moth stage Reason (R): The emergence of silk moth from cocoons damage the continuity of the thread of the cocoon.

A. Both A and R are true and R is the correct explanation of A.
B. Both A and R are true but R is not the correct explanation of A.
C. Cotton worm 
D. A is false but R is true.
Answer» B. Both A and R are true but R is not the correct explanation of A.
45.

Which of the following is the correct order of making cotton fabric from cotton ball?

A. Ginning \[\to \]Weaving\[\to \]Spinning
B.  Spinning \[\to \]Ginning\[\to \]Weaving
C.  Wool does not absorb water.
D.  Ginning \[\to \]Spinning\[\to \]Weaving
Answer» E.
46.

Cotton plant is grown in such places that have

A. black soil
B.  warm climate
C. Cotton clothes.
D.  black soil and cool climate
Answer» D.  black soil and cool climate
47.

DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 1 Divyank and Amar are working on a project report on 'Occupational Hazards'. They went to cotton and wool spinning mills and mulberry farm for their research. They observed that due to improper working environment and lack of safety measures there were many health hazards faced by the workers in their routine activities like respiratory diseases, skin infections, etc. They discussed the problems faced by the workers with their teacher. Their teacher decided to write the letter to the concerned authority to highlight the seriousness of the issue and to take proper steps/action in this regard. Which of the following disease is related to wool industry?

A. Rinder pest 
B. Anmrax
C. Ginning
D. Both (a) and (b)
Answer» C. Ginning
48.

Fabrics made from which of the following is not suited to be used in cold and dry places?

A. Cotton    
B.   Wool
C. Nylon clothes
D.   Fur
Answer» B.   Wool
49.

Jute is a long, soft, plant fibre that can be spun into coarse, strong threads. Jute is a rainy season crop, which grows best in warm and humid climate. In which part of India jute is grown?

A. Assam 
B.   West Bengal
C.  Spindle
D.   All of these
Answer» C.  Spindle
50.

The number of sets of yams arranged together to make a fabric by process of weaving is

A.
B.   2
C. India
D.   any number
Answer» C. India