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प्रश्न
Silkworms secrete fibre made of
विकल्प
fat
cellulose
protein
nylon
उत्तर
protein
Explanation:
The salivary gland of the silkworm secretes fibre made up of protein sericin and fibroin.
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संबंधित प्रश्न
Very Short Answer Type Questions:
What are the fabrics?
Short Answer Type Question:
When we bum nylon, why we do not get the smell of burning paper or burning hair?
Weaving of yarn makes a piece of fabric.
Why is it not advisable to burn plastic and synthetic fabrics?
_________ and _________ fibres are obtained from animals
Write a caption for each of the figures given in Figure 3.2 (a–d).
Some term related to fabric is jumbled up and given below. Write it in its correct form.
sinnping
Some term related to fabric is jumbled up and given below. Write it in its correct form.
vingwea
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?
Match the articles given in column I with the articles of column II.
| COLUMN I | COLUMN II | ||
| (a) | Sweater | (i) | Cotton |
| (b) | Cotton bolls | (ii) | Wool |
| (c) | Dhoti | (iii) | Ginning |
| (d) | Gunny bags | (iv) | Jute |
