Question

2. Which of the following is produced by an animal ?
A)Oil
B)Gum
C)Rubber
D)Silk​

Answer 1

Explanation:

mark as brillent

see answer

Answer 2

Answer:

Silk​ is produced by an animal.

⇒The answer is C)Silk.

Explanation:

What is silk?

Silk is defined as a natural protein fibre, some forms of which can be woven into textiles.

The protein fibre of silk is mainly made of fibroin and is produced by certain insect larvae to form cocoons.

The most highly sought silk is produced from the cocoons of the larvae of mulberry silkworm Bombyx mori reared in sericulture.

Following steps to extract silk:-

1. According to sericulture, female silk moths lay around 300 – 500 eggs at any one time. These eggs eventually hatch to form silkworms, which are incubated in a controlled environment until they hatch into larvae (caterpillars).
2. After spinning their cocoon, the silkworms will eventually enclose themselves inside it and then it’s time to extract the silk threads.
3. Threads are then carefully reeled from the cocoon which are then wound on a reel. This is usually washed out with soap and boiling water to wash out remaining sericin in the threads.
4. Finally washed and degummed silk threads will be bleached and dried before the dyeing process commences.
5. The traditional silk dying technique in which threads will be soaked together in bundles, inside a pot of hot indigo leaves and water.
6. This process will continue multiple times over a span of days to ensure proper colour tone and quality.
7. The process is spinning which basically unwinds the dyed fibres on to a bobbin, so that they lay flat ready for the weaving process.
8. In Weaving process the final piece of silk comes together. Satin weave, plain weave and open weave are most common ways in which silk can be woven and the finish of the silk will depend on the type of weave.
9. Now it will need to be printed after pre-treatment. This can be done in two different ways, they are Digital Printing & Screen Printing.
10. There are many different ways of Silk finishing, mainly by applying different chemical treatments by adding a host of valuable properties including fire resistance and crease-proofing.

Describe about silk? Link is given below:-

https://brainly.in/question/3589947

Who gives us silk?  Link is given below:-

https://brainly.in/question/184931