- 1(current)
Q. No.Which of the following statement is/are incorrect regarding polysaccharides?
Choose the correct answer from the options given below:
1. A, B, C only
2. B, D, E only
3. B, E only
4. B, C, D only
| A. | Inulin is a polymer of fructose |
| B. | Both starch and glycogen are present as storehouses of energy in plant tissue |
| C. | Glucose is a monomer of cellulose |
| D. | Cellulose is a homopolymer while chitin is a heteropolymer |
| E. | Starch does not contain complex helices and hence cannot hold I2 |
1. A, B, C only
2. B, D, E only
3. B, E only
4. B, C, D only
Subtopic: Carbohydrates: Starch & Glycogen | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
55%
From NCERT
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Hints
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Match the items listed in column-I with column-II.
Choose the correct option.
1. a(iii), b(iv), c(i), d(ii)
2. a(iv), b(iii), c(ii), d(i)
3. a(iv), b(ii), c(iii), d(i)
4. a(iv), b(iii), c(i), d(ii)
| Column -I | Column-II | ||
| a. | Cellulose | (i) | Storehouse of energy in plants |
| b. | Inulin | (ii) | Exoskeleton of arthropods |
| c. | Starch | (iii) | Polymer of fructose |
| d. | Chitin | (iv) | Structural element of plant cell wall |
1. a(iii), b(iv), c(i), d(ii)
2. a(iv), b(iii), c(ii), d(i)
3. a(iv), b(ii), c(iii), d(i)
4. a(iv), b(iii), c(i), d(ii)
Subtopic: Carbohydrates: Glycosidic Bond & Disaccharide | Carbohydrates: Starch & Glycogen | Carbohydrates: Cellulose, Chitin, Inulin & Agar |
86%
From NCERT
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Hints
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Read the statements given below and select the correct option:
| (a) | In glycogen, the right end is the reducing one |
| (b) | Cellulose and starch form complex helices |
| (c) | Starch is the main structural component of papers made from plant pulp |
| 1. | Statements (a) and (b) are correct while statement (c) is incorrect |
| 2. | Statements (a) and (c) are correct while statement (b) is incorrect |
| 3. | Statements (b) and (c) are incorrect while statement (a) is correct |
| 4. | Statements (a) and (c) are incorrect while statement (b) is correct |
Subtopic: Carbohydrates: Starch & Glycogen |
58%
From NCERT
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Assertion (A): Starch is a polymer of glucose.
Reason (R) : It is made of several glucose units.
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.
Reason (R) : It is made of several glucose units.
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 | Carbohydrates: Starch & Glycogen |
87%
From NCERT
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