Q. No.Each polypeptide in a protein has amino acids linked with each other in a specific sequence. This sequence of amino acids is said to be .....
1. Primary structure of proteins
2. Secondary structure of proteins
3. Tertiary structure of proteins
4. Quaternary structure of proteins
Which one of the following reactions of glucose can be explained only by its cyclic structure?
| 1. | Glucose forms pentaacetate. |
| 2. | Glucose reacts with hydroxylamine to form an oxime. |
| 3. | Pentaacetate of glucose does not react with hydroxylamine. |
| 4. | Glucose is oxidized by nitric acid to saccharic acid. |
D configuration is shown by -
 |
 |
 |
| (i) | (ii) | (iii) |
1. i, ii and iii
2. ii and iii
3. i and ii
4. only iii
Structure of disaccharide formed by glucose and fructose is given below. Identify anomeric carbon atoms in monosaccharide units.
1. 'a' carbon of glucose and 'a' carbon of fructose
2. 'a' carbon of glucose and 'e' carbon of fructose
3. 'a' carbon of glucose and 'b' carbon of fructose
4. 'f' carbon of glucose and 'f' carbon of fructose
Out of the 3 given structures, the correct statement regarding bond present between C1 & C4 and C1 & C6 is
| (i) |  |
||
| (ii) |  |
(iii) |  |
| C1 & C4 | C1 & C6 | |
| 1. | (i) | (ii) and (iii) |
| 2. | (i) and (ii) | (iii) |
| 3. | (i) and (iii) | (ii) |
| 4. | (ii) and (iii) | (i) |
Sucrose is a:
| a. | Monosaccharide | b. | Disaccharide |
| c. | Reducing sugar | d. | Non-reducing sugar |
Choose the correct option:
| 1. | a and b | 2. | b and c |
| 3. | c and d | 4. | b and d |
Examples of globular proteins are:
| a. | Insulin | b. | Keratin |
| c. | Albumin | d. | Myosin |
Choose the correct option :
1. a and b
2. b and c
3. c and d
4. a and c
Given below are two statements:
| Assertion (A): | β -Glycosidic linkage is present in maltose. |
| Reason (R): | Maltose is composed of two glucose units in which C- 1 of one glucose unit is linked to C- 4 of another glucose unit. |
| 1. | Assertion and reason both are correct statements and reason explain the assertion. |
| 2. | Assertion and reason both are correct statements but reason does not explain assertion. |
| 3. | Assertion is the correct statement and reason is the wrong statement. |
| 4. | Assertion is the wrong statement and reason is the correct statement. |
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