Q. No.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
Match the vitamins given in Column I with the deficiency disease they cause given in Column II.
| Column II (Vitamins) | Column II (Diseases) |
| A. Vitamin B12 B. Vitamin E C. Vitamin K D. Vitamin D |
1. Muscular weakness 2. Increased blood clotting time 3. Osteomalacia 4. Pernicious anemia |
| A | B | C | D | |
| 1. | 2 | 3 | 4 | 1 |
| 2. | 3 | 1 | 2 | 4 |
| 3. | 4 | 1 | 2 | 3 |
| 4. | 1 | 3 | 4 | 2 |
Match the following enzymes given in Column I with the reactions they catalyze given in Column II.
|
Column I |
Column II |
|
A. Invertase
|
1. Decomposition of urea into NH3 and CO2
|
Codes
|
Options: |
A |
B |
C |
D |
|
1. |
2 |
3 |
4 |
1 |
|
2. |
3 |
1 |
4 |
2 |
|
3. |
1 |
4 |
3 |
2 |
|
4. |
4 |
3 |
2 |
1 |
Given below are two statements:
| Assertion (A): | D (+) - Glucose is dextrorotatory in nature. |
| Reason (R): | D represents its dextrorotatory nature. |
| 1. | Assertion and reason both are correct statements and reason explains the assertion. |
| 2. | Both assertion and reason are wrong statements. |
| 3. | Assertion is the correct statement and reason is the wrong statement. |
| 4. | Assertion is the wrong statement and reason is the correct statement. |
Given below are two statements:
| Assertion (A): | Vitamin D can be stored in our bodies. |
| Reason (R): | Vitamin D is a fat-soluble vitamin. |
| 1. | Assertion and reason both are correct statements and reason explain the assertion. |
| 2. | Both assertion and reason are wrong statements. |
| 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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