Complex Carbohydrates

Q. Given below are the sequence of events in the origin of life based on the Oparin-Haldane hypothesis.

Formation of monomeric units → I → II → Formation of non- cellular form of life → III

Identify I, II and III and choose the correct option.

1. I - Formation of polymers or macromolecules; II - Formation of cellular form of life; III - Formation of prokaryotes
2. I - Aggregation of complex organic molecules; II - Synthesis of simple organic compounds; III - Formation of cellular form of life
3. I - Synthesis of polymers or macromolecules; II - Aggregation of organic molecules; III - Formation of cellular form of life
4. I - Synthesis of polymers or macromolecules; II- Formation of cellular form of life; III - Aggregation of organic molecules

Q. In fungi, the food is stored in the form of

1. glycogen
2. starch
3. sucrose
4. glucose

Q. Sporopollenin is formed by polymerization of

1. Fats and phenols
2. Fats and esters
3. Carotenoids and fats
4. Carotenoids and esters

Q. Macro molecule chitin is:

1. phosphorus containing polysaccharide
2. simple polysaccharide
3. Nitrogen containing polysaccharide
4. sulphur containing polysaccharide

Q. Read the given statement and select the option that correctly identifies X and Y. In a glycogen molecule, successive glucose units are joined together by X and branches are linked together by Y.

1. X = 1, 6-α-glycosidic bonds, Y =1, 4-α-glycosidic bonds
2. X = 1, 6-α-glycosidic bonds, Y = 1, 6-α-glycosidic bonds
3. X = 1, 4-α-glycosidic bonds, Y =1, 4-α-glycosidic bonds
4. X = 1, 4-α-glycosidic bonds, Y = 1, 6-α-glycosidic bonds

Q. Glycogen is a/an polymer and the branching is linked by glycosidic bond.

1. branched
2. unbranched
3. 1-6$\alpha$
4. 1-4$\alpha$

Q. Cellulose is a consisting of as monomers.

1. homopolymer
2. heteropolymer
3. glucose
4. fructose

Q. Monosaccharide is

1. Pentose Sugar
2. Hexose Sugar
3. Only glucose
4. All of the above

Q. Macromolecule chitin is

1. Nitrogen containing polysaccharide.
2. Simple polysaccharide.
3. Phosphorus containing polysaccharide.
4. Sulphur containing polysaccharide.

Q. Under a microscope it was observed that the cell has thin cell wall, are polygonal in shape with large vacuoles. These cells were

1. Sclerenchyma cells
2. Collenchyma cells
3. Parenchyma cells
4. Xylem

Q.

1. 20 types of monomer
2. 40 types of monomer
3. Only one type of monomer
4. 30 types of monomer

Q. The proper scientific name of cellobiose is

1. $4-\beta -D-glucopyranosyl-D-glucopyranose$
2. $8-\beta -D-glucopyranosyl-D-glucopyranose$
3. $4N{H}_{2}S{O}_4-\beta -D-reductase$
4. $6N{H}_{2}P{O}_4-\alpha -D-reductase$

Q. Glycogen is a/an polymer and the branching is linked by glycosidic bond.

1. branched
2. unbranched
3. 1-6$\alpha$
4. 1-4$\alpha$

Q. Which of the following is not a type of fat?

1. Monounsaturated fat
2. Polysaturated fat
3. Saturated fat
4. Polyunsaturated fat

Q. Glycogen is a/an polymer and the branching is linked by glycosidic bond.

1. branched
2. unbranched
3. 1-6$\alpha$
4. 1-4$\alpha$