Which of the following devices was popularized by Mahatma Gandhi as a part of the independence movement?
- AHandloom.
- BShuttle.
- ✓Charkha.
- DMachine.
Answer: C.
View full solution →Question types
Fibre to Fabric question types
418 questions across 9 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
418
Questions
9
Question groups
5
Question types
01
[1 Marks Each] M.C.Q.
235 Q→02Assertion (A) & Reason (B) MCQ
8 Q→03[1 Marks Each] Blanks
31 Q→04True Or False.[1 Marks Each]
17 Q→05[1 Marks Each] QUE - ANS
85 Q→06[3 Marks Each] QUE-ANS
5 Q→07[5 Marks Each] QUE-ANS
9 Q→08case /data -based (4 Marks)
7 Q→09Answer The Following Questions In Short.[2 Marks Each]
21 Q→Sample Questions
Fibre to Fabric questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Lint is:
- AA thread that is obtained by spinning fibres.
- BAn electrically operated device used for spinning.
- ✓The fibrous material that is left after removing seed from cotton bolls.
- DThe fruits of cotton plant.
Answer: C.
View full solution →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.
- BRetting is involved in processing of $Q$ whereas ginning is involved in processing of $S.$
- C$P$ could be wool, $Q$ could be jute, $R$ could be sisal and $S$ could be cotton.
- ✓Fabrics made from $P$ and $S$ are excellent winter clothing's whereas fabrics made from $Q$ and $R$ form excellent summer clothing's.
Answer: D.
View full solution →Which of the following processes involves the separation of seeds from cotton bolls?
- AWinnowing.
- BCarding.
- ✓Ginning.
- DSpinning.
Answer: C.
View full solution →Which one is thinner?
- ✓Fabric.
- BYam.
- CFibre.
- DAll are of same size.
Answer: A.
View full solution →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 mason $R$ 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): Cotton is comfortable to wear in hot, humid weather.
Reason (R): Cotton absorbs sweat.
Assertion (A): Cotton is comfortable to wear in hot, humid weather.
Reason (R): Cotton absorbs sweat.
- ✓Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
- BBoth $A$ and $R$ are true but $R$ is not the correct explanation of $A$
- C$A$ is true but $R$ is false
- D$A$ is false but $R$ is true
Answer: A.
View full solution →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 as section. Select your answers to these items using codes given below.
Assertion (A): Jute can be effective substitute of plastic bags.
Reason (R): Jute is $100\%$ bio-degradable and recyclable.
Assertion (A): Jute can be effective substitute of plastic bags.
Reason (R): Jute is $100\%$ bio-degradable and recyclable.
- ✓Both $A$ and $R$ are true and $R$ is the correct explanation of $A$
- BBoth $A$ and $R$ are true but $R$ is not the correct explanation of $A$
- C$A$ is true but $R$ is false
- D$A$ is false but $R$ is true
Answer: A.
View full solution →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 mason $R$ 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): The fruits of the cotton plant are about the size of a lemon.
Reason (R): Cotton plants are generally grown at places having black soil and warm climate.
Assertion (A): The fruits of the cotton plant are about the size of a lemon.
Reason (R): Cotton plants are generally grown at places having black soil and warm climate.
- ABoth $A$ and $R$ are true and $R$ is the correct explanation of $A$
- ✓Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$
- C$A$ is true but $R$ is false
- D$A$ is false but $R$ is true
Answer: B.
View full solution →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 as section. Select your answers to these items using codes given below.
Assertion (A): In India jute is mainly grown in West Bengal, Bihar and Assam.
Reason (R): The jute plant is normally harvested when it is at flowering stage.
Assertion (A): In India jute is mainly grown in West Bengal, Bihar and Assam.
Reason (R): The jute plant is normally harvested when it is at flowering stage.
- ABoth $A$ and $R$ are true and $R$ is the correct explanation of $A$
- ✓Both $A$ and $R$ are true but $R$ is not the correct explanation of $A$
- C$A$ is true but $R$ is false
- D$A$ is false but $R$ is true
Answer: B.
View full solution →Fill in the blank with appropriate words:
On large scale, cotton clothes are made by machines in ________.
On large scale, cotton clothes are made by machines in ________.
Cotton is obtained from $.........$ of plant. $($seed$/$ stem$).$
View full solution →The jute plant is harvested at $.........$ stage.
View full solution →Separating the cotton fibres from the seeds is known as $.........$
View full solution →Jute is obtained from $......... ($plant$/$ animal$)$.
View full solution →Fruits of cotton plants are called $.........$
View full solution →Cotton is the most important industrial crop. True/ False
Clothes protect us from adverse weather condition. True/ False
While working in kitchen, we should wear cotton clothes. True/ False
Twisting of fibres into yam increases cohesion. True/ False
Jute is obtained from the stem of ‘putson’. True/ False
State whether the following statements are true or false:
Yarn is made from fibres.
Yarn is made from fibres.
When stitching was not known, how did people use fabrics available with them?
What were the wearings of the people of stone age?
What are natural fibres? Give example.
What is known as golden fibre?
Fill in the names of useful items made from jute fibres in. One such example is given:
Classify the following fibres as natural or synthetic:
Nylon, Wool, Cotton, Silk, Polyester, Jute.
Nylon, Wool, Cotton, Silk, Polyester, Jute.
What is retting? Explain how fibres are obtained from the jute plants.
What are the three stages in history of the development of clothing material?
Which of these are natural fibres:
- Silk.
- Nylon.
- Wool.
- Polyester.
- Cotton.
In which season is cotton planted? What is its course of growth?
Match the articles given in Column $I$ with the articles of Column $II$.
View full solution →|
|
$COLUMN\ I$
|
|
$COLUMN\ II$
|
|
$a$
|
Sweater
|
$i$
|
Cotton
|
|
$b$
|
Cotton bolls
|
$ii$
|
Wool
|
|
$c$
|
Dhoti
|
$iii$
|
Ginning
|
|
$d$
|
Gunny bags
|
$iv$
|
Jute
|
Describe the two main processes of making fabric from yarn.
What is done in the process of spinning? Name any device used for spinning.
A cotton shirt, before it reaches you, completes a long journey. Elaborate this journey starting from cotton bolls.
He pours one spoon of dye on each fabric.
He then washes the fabrics with the same detergent.
Atul has four different fabrics.
The table shows what he inds after the wash.
$10.$ Which question can be answered through Atul’s activity?
He then washes the fabrics with the same detergent.
Atul has four different fabrics.
The table shows what he inds after the wash.
| Silk | Acrylic | Nylon | Cotton |
| Light stain | No stain | No stain | Light stain |
- AWhich detergent best removes stains?
- ✓Which type of fabric best retains dye?
- CWhich is the best dye to colour fabrics?
- DWhich fabric is most comfortable to wear in summers?
Answer: B.
View full solution →
$9.$ What is the woman in the picture doing?
The picture shows a piece of fabric.
Four friends discuss ways to ind out if the fabric is made of natural or synthetic ibres.
The table lists their suggestions.
$8.$Who made the correct suggestion?
Four friends discuss ways to ind out if the fabric is made of natural or synthetic ibres.
The table lists their suggestions.
| Friend | Suggestion |
| Tina | Colour the fabric and check how well it retains colour |
| Amit | Burn the fabric and check if it melts or burns |
| Sania | Soak the fabric in water and check if it absorbs water |
| Mahesh | Tear the fabric and check how strong the fabric is |
- ATina
- ✓Amit
- CMahesh
- DSania
Answer: B.
View full solution →Rohan wants to ind out which type of fabric best absorbs water.
He soaks four different types of fabrics in water for $15$ minutes.
He places each fabric on a sieve and allows the water to drain.
He then measured the mass of the wet fabrics.
$6.$What extra information does Rohan need to ind out which fabric best absorbs water?
$A.$ The time each fabric took to dry completely
$B.$ The mass of each fabric before soaking in water
$C.$ The amount of water in which the fabrics were soaked
$D.$ The temperature of the water in which the fabrics were soaked
$7.$What does Rohan need to keep the same for all the four fabrics?
Circle $‘Yes’$ or $‘No’$ for each row
View full solution →He soaks four different types of fabrics in water for $15$ minutes.
He places each fabric on a sieve and allows the water to drain.
He then measured the mass of the wet fabrics.
| Fabric type | Mass of the wet fabric |
| Cotton | $120\ g$ |
| Silk | $100\ g$ |
| Polyester | $85\ g$ |
| Wool | $110\ g$ |
$A.$ The time each fabric took to dry completely
$B.$ The mass of each fabric before soaking in water
$C.$ The amount of water in which the fabrics were soaked
$D.$ The temperature of the water in which the fabrics were soaked
$7.$What does Rohan need to keep the same for all the four fabrics?
Circle $‘Yes’$ or $‘No’$ for each row
| Should this be kept same for all the four fabrics? | $Yes$ or $No$ |
| The colour of the fabrics | $Yes/No$ |
| The size of the fabrics | $Yes/No$ |
| The thickness of the fabrics | $Yes/No$ |
$3.$Which feature was used to group the fabrics?
$A.$ Shiny/Dull
$B.$ Rough/Smooth
$C.$ Natural/Synthetic
$D.$ Animal ibre/Plant ibre
$4.$What is the correct sequence for making cotton shirt from cotton balls?
$A.$ Fabric spun into fibres $\rightarrow $Fibres woven into yarn
$B.$ Fibres spun into yarn $\rightarrow $Yarn woven into fabric
$C.$ Yarn woven into fabric $\rightarrow $ Fabric spun into fibres
$D.$ Yarn knitted into fibres$ \rightarrow $ Fibres woven into fabric
$5.$Which part of a cotton plant is used to obtain cotton balls?
$A.$ Fruit
$B.$ Stem
$D.$ Leaves
$C.$ Flowers
The following is an answer given by Boojho to a question asked by his teacher- “Cotton, wool, silk and jute are classified as natural fibres whereas nylon and polyester are classified as synthetic fibres.”
Can you tell what question the teacher has asked?
Can you tell what question the teacher has asked?
Boojho with perfect eyesight was finding it difficult to pass a thread through the eye of a needle. What can be the possible reason for this?
Fill in the blanks to complete the life story of cotton fibre.
My parents, cotton plants were grown in _____________ soil and _____________ climate. The plants bore fruits called _____________ I, the cotton fibre was separated from seeds in the cotton bolls by the process of _____________ Other cotton fibres and myself were made into yarn by the process of _____________ The yarn was _____________ to give beautiful colours and then _____________ to get cotton fabric.
My parents, cotton plants were grown in _____________ soil and _____________ climate. The plants bore fruits called _____________ I, the cotton fibre was separated from seeds in the cotton bolls by the process of _____________ Other cotton fibres and myself were made into yarn by the process of _____________ The yarn was _____________ to give beautiful colours and then _____________ to get cotton fabric.
Distinguish between the following:
Knitting and Weaving.
Knitting and Weaving.
Why does wearing many layers of cotton clothes keep you warmer in winter than wearing one thick sweater?
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