Biomacromolecules and Micromolecules

Q. Which of these is not a macromolecule?

1. Starch (mol weight -- 2.27 x 10⁸ Da).

2. Collagen (mol weight -- 5, 000 Da).

3. Cholesterol (mol weight -- 386 Da).

4. Vitamin A (mol weight -- 286 Da).

Q. Biomacromolecules are acid___

Q. The deficiency of vitamin-C causes___.

1. Scurvy
2. Pernicious Anaemia
3. Pyrrohea
4. Rickets

Q. Which of the following is a correct combination?

1. Acid soluble - Amino acids, lipids, sugars
   Acid insoluble - Proteins, nucleic acids, vitamins
2. Acid soluble - Amino acids, sugars, vitamins
   Acid insoluble - Proteins, nucleic acids, lipids
3. Acid soluble - Proteins, nucleic acids, lipids
   Acid insoluble - Amino acids, sugars, vitamins
4. Acid soluble - Proteins, nucleic acids, vitamins
   Acid insoluble - Amino acids, lipids, sugars

Q. The chemical name of vitamin C is ________.

1. Ascorbic acid
2. Citric acid
3. Folic acid
4. Nicotinic acid

Q. ________ deficiency causes rickets.

1. Vitamin-D
2. Vitamin-B
3. Vitamin-K
4. Vitamin-A

Q.

Second most abundant component inside the cell is

1. Nucleic acids

2. Water

3. Proteins

4. Carbohydrates

Q. Assertion: Secondary metabolites are produced in small quantities and their extraction from the plant is difficult and expensive.
Reason: Secondary metabolites can be commercially produced by using tissue culture technique.

1. Both assertion and reason are true and reason is the correct explanation of assertion.
2. Assertion is true but reason is false.
3. Both assertion and reason are true but reason is not the correct explanation of assertion.
4. Both assertion and reason are false.

Q. From the following groups, select the one which has only secondary metabolites.

1. Arbrin, cellulose, arginine, tyrosine
2. Glycine, gums, serine, diterpenes
   
3. Carotenoids, phenylalanine, curcumin, rubber
   
4. Concanavalin-A, morphine, codeine, vinblastine

Q.

Mineral-associated with cytochrome is:

1. Cu

2. Mg

3. Fe

4. Cu and Ag