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Which of the following is not a polysaccharide?(a) Cellulose(b) Stachyose(c) Starch(d) GlycogenThe question was posed to me in an interview for internship.I need to ask this question from Biomolecules Carbohydrates topic in section Biomolecules of Chemistry – Class 12

Answer»

Correct answer is (b) Stachyose

The explanation is: POLYSACCHARIDES are those carbohydrates which yield a very large number of MONOSACCHARIDE UNITS (>10) on hydrolysis. Stachyose (C24H42O21) is a tetrasaccharide that GIVES four monosaccharide units on hydrolysis.



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