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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?

Classify the following fibres as natural and synthetic. polyester, jute, silk, nylon, cotton, wool NATURAL FIBRES SYNTHETIC FIBRES Comes... View Article

State whether the following statements are true or false. If false, correct them. (a) Silk is a plant fibre. (b) Jute is obtained from the leaves of a plant. (c) Weaving is a process of arranging two sets of yarn together. (d) Cotton yarn on burning gives an odour similar to that of a burning paper.

a) The given statement is false. Silk is an animal fibre, obtained from silkworms.Silk is a natural protein fibre which can be used as a textile... View Article

Some terms related to fabrics are jumbled up and given below. Write them in their correct form. (a) onttoc (b) sinnping (c) vingwea (d) bisref

The correct form is- a) Cotton b) Spinning c) Weaving d) Fibres Cotton is picked up from the fields. The seeds are separated by combing. This... View Article

Yarn, fabric and fibres are related to each other. Show the relationship by filling the blanks in the following sentence. The fabric of cotton saree is made by weaving cotton___ which in turn is made by spinning thin cotton_.

Yarn, fibre. The fabric of cotton saree is made by weaving cotton yarn. Which in turn is made by spinning thin cotton fibre. The process of... View Article

Boojho wants to make yarn from fibre at home. Which of the following will he use to carry out the task? (a) Powerloom (b) Handloom (c) Charkha (d) Knitting needles

c) Charkha Yarns are made from fibres by the process of spinning. Charkha is a hand-operated device used for spinning. Charkha is a hand device... View Article

The correct sequence to get cloth is (a) fibre → fabric → yarn (b) fibre → yarn → fabric (c) fabric → yarn → fibre (d) yarn → fibre → fabric.

b) Fibre → yarn → fabric Fibres are converted into fabric through three processes, spinning and weaving or knitting. Yarns are made from fibres... View Article

Beera is a farmer. His field has black soil and the climate is warm. Which fibre yielding plant should he grow in his field? (a) Jute (b) Cotton (c) Coconut (d) Wool

b) Cotton Black soil and warm climate are good for yielding cotton plants. Because cotton fibres are obtained from the cotton plants and... View Article

Yarn is woven to get fabric using (a) charkha (b) spinning machines (c) looms (d) knitting needles.

c) Looms Looms are used to weave the yarn. Looms are of two types -hand operated or power operated. The weaving of yarn to make fabrics is done... View Article

Which part of the jute plant is used for getting jute fibre? (a) Flower (b) Stem (c) Fruit (d) Leaf

b) Stem Jute fibre is obtained from the stems of jute plan Chorchorus. The key properties of jute fibres are listed below. Jute fibres are... View Article

Boojho went to a cloth shop. There he found a fabric which was smooth to touch, had vibrant colour and shine. The fabric could be (a) cotton (b) wool (c) silk (d) jute.

c) Silk Silk clothes have a smooth and shining texture. It is obtained from cocoon of the silkworm. Silk is a natural protein fibre which can... View Article

Which set of substances is not used for making fibres? (a) Silk, chemicals (b) Yak hair, camel hair (c) Husk, bones (d) Flax, wool

c) Husk, bones Husk and bones are not used for making fibres. Substances in options (a), (b) and (d) are used for making fibres.Fibres are... View Article

Which of the following is not a natural fibre? (a) Cotton (b) Jute (c) Nylon (d) Flax

c) Nylon Nylon is synthesised with the help of chemicals in factories whereas jute, flax and cotton are natural fibres obtained from... View Article

Which of the following materials did people use in ancient times for making clothes? (i) Leaves of trees (ii) Newspaper (iii) Metal foils (iv) Animal skins and furs (a) (i) and (ii) (b) (i) and (iii) (c) (ii) and (iii) (d) (i) and (iv)

d) i and iv In ancient times, barks and big leaves of trees or animal skins and furs were used by people to cover themselves. The first... View Article

Which statement out of the following is incorrect? (a) Use of charkha was popularized by Mahatma Gandhi as a part of the Independence Movement. (b) In India, jute is mainly grown in Kerala and Punjab. (c) To make fabric, the fibres are first converted into yarns. (d) Sufi saint Kabir was a weaver.

b) In India, Jute is mainly grown in Kerala and Punjab In India, jute is mainly grown in West Bengal, Bihar, and Assam. And it is true that use... View Article

Paheli wants to present her friend a gift made of plant-fibre. Which out of the following will she select? (a) Jute bag (b) Woollen shawl (c) Silk saree (d) Nylon scarf

a) Jute bag Jute is a plant fiber, obtained from the stems of the jute plant Corchorus. It is long, soft, and shiny. Jute is spun into strong... View Article

Boojho was having difficulty in seeing things in dim light. The doctor tested his eyesight and prescribed a particular vitamin supplement. He also advised him to include a few food items in his diet. (a) Which deficiency disease is he suffering from? (b) Which food component may be lacking in his diet? (c) Suggest some food items that he should include in his diet, (any four)

Boojho is suffering from night blindness. Night blindness (nyctalopia) is your inability to see well at night or in poor light such as in a... View Article

‘Water does not provide nutrients, yet it is an important component of food’. Explain.

Food is essential for the survival of living organisms. It provides us with energy to carry out daily activities and develop, grow and repair our... View Article

‘Minerals and vitamins are needed in very small quantities by our body as compared to other components, yet, they are an important part of a balanced diet’. Explain the statement.

Vitamins and minerals are two important nutrients that our body must need. A healthy dieted person must include vitamin and mineral rich foods. ... View Article

(a) List all those components of food that provide nutrients. (b) Mention two components of food that do not provide nutrients.

(a) Components of food that provide nutrients are carbohydrates, fats, proteins, vitamins and minerals. It is one of the main sources of energy... View Article

Paheli avoids eating vegetables but likes to eat biscuits, noodles and white bread. She frequently complains of stomach ache and constipation. What are the food items that she should include in her diet to get rid of the problem? Give a reason for your answer.

Paheli should avoid eating biscuits and other such junk food as they contain maida (refined flour) which has minimum quantity of fiber or... View Article

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