Polysaccharide

Q. Match the following sugars with their corresponding types

1. Monosaccharide
2. Disaccharides
3. Oligosaccharide
4. Polysaccharides

Q. Which is incorrect in following-

1. Polysaccharides are amorphous, insoluble in water and tasteless
2. Raffinose on hydrolysis gives glucose, fructose and galactose
3. Monosaccharides cannot be hydrolysed to simpler compounds
4. None of these

Q. How many aldose, ketose, furanose, pyranose and hemiacetal units are present respectively in the following molecule?

1. $2,0,0,2,1$
2. $1,1,1,1,2$
3. $0,2,0,2,1$
4. $2,0,0,2,2$