- 1(current)
Q. No.The number of correct statement(s) from the statements given below is/are:
1. 1
2. 2
3. 3
4. 4
| I: | Cellulose is a polymeric polysaccharide consisting of only one type of monosaccharide. |
| II: | Starch is a homopolymer. |
| III: | Inulin is a polymer of fructose. |
| IV: | In glycogen, the right end is called the reducing end, and the left end is called the non-reducing end. |
2. 2
3. 3
4. 4
Subtopic: Carbohydrates: Starch & Glycogen | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
77%
From NCERT
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Consider the given two statements:
| Assertion: | The starch-I2 is blue in colour. |
| Reason: | Starch forms helical secondary structures and can hold I2 molecules in the helical portion. |
| 1. | (A) is True but (R) is False. |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is False but (R) is True. |
| 4. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
Subtopic: Carbohydrates: Starch & Glycogen |
88%
From NCERT
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Match the polysaccharide with its correct function:
1. Only I, II and III
2. Only I, III and IV
3. Only II, III and IV
4. I, II, III and IV
| I. | Starch | - | Storage of glucose in plants |
| II. | Glycogen | - | Storage of glucose in animals |
| III. | Cellulose | - | Structural component of plant cell walls |
| IV. | Chitin | - | Structural component in fungal cell walls and exoskeletons of insects |
2. Only I, III and IV
3. Only II, III and IV
4. I, II, III and IV
Subtopic: Carbohydrates: Starch & Glycogen | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
96%
From NCERT
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Hints
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Consider the given two statements:
| Assertion (A): | Glycogen has one reducing end. |
| Reason (R): | The reducing end is where non-reducing sugars can be added to the glycogen molecule. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | Both (A) and (R) are False. |
Subtopic: Carbohydrates: Starch & Glycogen |
57%
From NCERT
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Regarding polysaccharides:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | Cellulose does not contain complex helices. |
| II: | Inulin is a polymer of fructose. |
| III: | Left end of glycogen is the reducing end |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Carbohydrates | Carbohydrates: Starch & Glycogen | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
71%
From NCERT
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