Main constituents of cotton fiber is__________________?
Correct answer: B. Cellulose
- A. Lignin
- B. Cellulose
- C. Starch
- D. Gelatine
Explanation
Cotton fibers are composed almost entirely of cellulose, a polysaccharide made of repeating glucose units. Lignin is characteristic of woody tissues, while starch is a storage carbohydrate in plants.
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