Theory:

Cotton
The cotton plant is a shrub, grown in the fields having black soil and a warm climate. If you see a cotton field that is ready for picking, that looks like a land filled with snow.
 
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The fruits of the cotton plant (cotton balls) are about the size of a lemon in white color. After maturing, the balls burst open, and then the seeds covered with cotton fibres can be seen.
 
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Then next the fibres are separated from the seeds by combing. This process is called the ginning of cotton. Usually, this ginning process was done by hand but these days, machines are also used for ginning.
Jute
We all have used or seen in our daily life the materials such as gunny sackssapling bags, upholstery, carpet, rugs, most of these products were made of jute.
 
Now, we will learn about how fibres of jute are extracted, where it is planted extensively in India its advantages and disadvantages.
 
Pictured: Jute plant
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Pictured: Jute fibre
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Source
Jute fibre is cultivated from the stem of the jute plant.
Where is it grows well, and why? 
  • The fibres of Jute grow well in regions where it rains a lot.
  • In the Eastern region of India, jute is cultivated extensively, especially in the states of West Bengal, Bihar, and Assam. Because these regions are fairly getting high to very high rainfall.
What are they made of?Jute fibres are composed of cellulose and lignin.
What are the kinds of jutes?Two kinds of jute are produced today: White jute and brown jute.
How is it extracted from a jute plant?
  • After harvesting jute, it is kept submerged in water for a few days.
  • During this period, the stem of the plant rots and the fibres which are present in the stem stay as it is.
  • The process by which fibers are obtained from the stem of the plant is known as retting.
  • Then these fibres are extracted by hand. This process is known as stripping.
Advantages of jute fibreJute fibres are strong, cost-effective, versatile, and anti-static.
Disadvantages of jute fibreFibres of Jute are capable to lose its strength if exposed to water, prone to creasing and juts will lose its color if it exposed to sunlight.
Reference:
Image credits:
https://www.shutterstock.com/image-photo/beautiful-cotton-fields-west-texas-766799671
Cotton balls picture author: faungg's photos
https://www.flickr.com/photos/44534236@N00/4122151376/
Jute picture author: alice Johnson
https://www.wallpaperflare.com/bags-close-pattern-jute-bag-structure-fabric-woven-fibers-wallpaper-amoob
Jute plant picture: https://commons.wikimedia.org/wiki/File:Jute_Field_Bangladesh_(7749587518).jpg