Question

Which one of the following statements about glucose and sucrose is incorrect?
(a) both are soluble in water (b) both are naturally occurring
both are carbohydrates
Both are disaccharides
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Answer 1

Answer:

both are carbohydrates,soluble in water, naturally occurring are correct

disaccharide is wrong

Answer 2

The incorrect statements about glucose and sucrose are an option (D) both are disaccharides.

• Glucose and sucrose are carbohydrates similar to fructose, galactose, mannose etc.
• Disaccharides are carbohydrates in which two same or different monosachharide joined by glycosidic bond.
• They have glycosidic bonds are if they are e disaccharides.
• Sucrose is formed by the glycosidic bond between glucose and fructose. similarly, galactose on breaking gives glucose and lactose.
• Mannose has a glycosidic bond between two monosaccharides of glucose.