Advertisements
Advertisements
प्रश्न
Silkworms secrete fibre made of ______.
पर्याय
fat
cellulose
protein
nylon
Advertisements
उत्तर
Silkworms secrete fibre made of protein.
Explanation:
Salivary gland of the silkworm secretes fibre made up of protein sericin and fibroin.
APPEARS IN
संबंधित प्रश्न
Very Short Answer Type Questions:
Name two varieties of cloth materials which are commonly used.
Short Answer Type Question:
When we bum wool why do we get the smell of hair bum?
Weaving of yarn makes a piece of fabric.
______ is an example of polyester fabric.
Which of the following represents the correct match for items in Column A with those in Column B.
| Column A | Column B |
| I. Nylon | (i) Thermoplastic |
| II. PVC | (ii) Thermosetting plastic |
| III. Bakelite | (iii) Fibre |
Why is it not advisable to burn plastic and synthetic fabrics?
Match the items of Column I with the items given in Column II.
| Column I | Column II | ||
| (a) | Yak wool | (i) | Sheared hair |
| (b) | Angora goats | (ii) | Silkworm |
| (c) | Mulberry leaves | (iii) | Tibet and Ladakh |
| (d) | Scouring | (iv) | Jammu and Kashmir |
Write a caption for the figures given in Figure.
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?
In ancient times stitching was not known. People used to simply drape the fabrics around different parts of their body. Even today a number of unstitched fabrics are used by both men and women. Can you give four such examples of clothes?
