Classification of carbohydrates

Question 1

Carbohydrates are classified on the basis of their behaviour on hydrolysis as

Answer 1

Monosaccharides, oligosaccharides and plysaccharides

Question 2

Define monosachharide

Answer 2

A carbohydrate that cannot be hydrolysed further to give simpler polyhydroxy aldehyde / ketone.

Question 3

Examples of monosaccharide?

Answer 3

Glucose, fructose, ribose etc

Question 4

What are oligosaccharides?

Answer 4

Carbohydrate that yield 2-10 units of monosaccharides

Question 5

What are the further classification of oligosaccharides?

Answer 5

Disaccharides, trisacchairdes, tetrasaccharides, depending upon the no of monosachharide units they produce on hydrolysis

Question 6

Give example of disaccharides and its monosaccharide unit

Answer 6

Sucrose——> glucose + fructose

Question 7

Give example of disaccharides and its monosaccharide unit

Answer 7

Maltose—-> 2 molecules of only glucose

Question 8

What are polysaccharides?

Answer 8

carbs yielding a large number of monosacchairde units. Ex– starch, cellulose, glycogen

Question 9

Other name of polysacchairdes

Answer 9

Non-sugars, as they are not sweet in taste

Question 10

All carbs which reduce fehlings and tollen solution is called

Answer 10

Reducing sugard

Question 11

All monosacchairdes are reducing sugars. T/F

Answer 11

True