A hormone that contains iodine is-
1. | Insulin | 2. | Testosterone |
3. | Adrenaline | 4. | Thyroxine |
Scurvy is caused due to the deficiency of vitamin:-
1. | B2 | 2. | B12 |
3. | C | 4. | D |
An acid that acts as a vitamin is
1. | Aspartic acid | 2. | Glumatic acid |
3. | Ascorbic acid | 4. | Saccharic acid |
The compound that does not reduce Benedict's solution is:
1. | Glucose | 2. | Fructose |
3. | Sucrose | 4. | Aldehyde |
If —D—glucose is dissolved in water and kept for a few hours, the major constituent(s) present in the solution is/are:
1. | α —D—glucose. |
2. | The mixture of ß—D-glucose and open-chain D-glucose. |
3. | Open chain D-glucose. |
4. | The mixture of α —D—glucose and ß—D-glucose. |
The structural feature which distinguishes proline from other natural -amino acids is -
1. It is optically inactive.
2. It contains an aromatic group.
3. It is a dicarboxylic acid.
4. It is a secondary amine.
Sucrose on hydrolysis gives:
1. -D-Glucose + -D-Glucose
2. -D-Glucose + -D-Fructose
3. -D-Fructose + -D-Fructose
4. -D-Glucose + -D-Fructose
The incorrect statement about carbohydrates is :
1. Maltose is a reducing sugar.
2. They are stored in the animal body as glycogen.
3. Amylopectin constitutes about 15-20% Of starch.
4. Cellulose is composed of only -D- glucose units.
Cellulose upon acetylation with excess acetic anhydride/H2SO4 (catalytic) gives cellulose triacetate whose structure is:
1. | |
2. | |
3. | |
4. |
1. Anomers
2. Epimers
3. Enantiomers
4. Diastereoisomers