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Q. No.Given below are two statements:
Statement I:
Glycogen is similar to amylose in its structure.
Statement II:
Glycogen is found in yeast and fungi also.
In the light of the above statements, choose the correct answer from the options given below:
1.
Statement I is correct and Statement II is incorrect.
2.
Statement I is incorrect and Statement II is correct.
3.
Both Statement I and Statement II are correct.
4.
Both Statement I and Statement II are incorrect.
Subtopic: Polysaccharides & their Importance |
51%
Level 3: 35%-60%
NEET - 2024
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Match the compounds in Column-I with their corresponding relationships in Column-II and then choose the correct option from the given choices:
| Column-I (Compounds) | Column-II (Relation) | ||
| (i) | \(\alpha\text -\)Glucose and \(\alpha\text{-}\)Galactose |
(a) | Homologues |
| (ii) | \(\alpha\text -\)Glucose and \(\alpha\text -\)Fructose |
(b) | Epimer |
| (iii) | \(\alpha\text -\)Glucose and \(\beta\text{-}\)Glucose |
(c) | Anomer |
| (iv) | \(\alpha\text{-}\)Ribose and \(\alpha\text{-}\)Glucose |
(d) | Functional isomers |
| 1. | \(\text { (i) } \rightarrow \text { (b); (ii) } \rightarrow \text { (d); (iii) } \rightarrow \text { (a), (iv) } \rightarrow \text { (c) }\) |
| 2. | \(\text { (i) } \rightarrow \text { (b); (ii) } \rightarrow \text { (d); (iii) } \rightarrow \text { (c), (iv) } \rightarrow \text { (a) }\) |
| 3. | \(\text { (i) } \rightarrow \text { (d); (ii) } \rightarrow \text { (b); (iii) } \rightarrow \text { (c), (iv) } \rightarrow \text { (a) }\) |
| 4. | \(\text { (i) } \rightarrow \text { (a); (ii) } \rightarrow \text { (c); (iii) } \rightarrow \text { (d), (iv) } \rightarrow \text { (b) }\) |
Subtopic: Polysaccharides & their Importance |
69%
Level 2: 60%+
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Enzyme that is used to convert starch into maltose is:
1. Diastase
2. Maltase
3. Zymase
4. Invertase
1. Diastase
2. Maltase
3. Zymase
4. Invertase
Subtopic: Vitamins, Hormones & Enzymes |
Level 4: Below 35%
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Which of the following is true about a glycosidic linkage?
1. It contains a carbonyl bond
2. It contains an ether bond
3. It contains an ester bond
4. It contains an amide bond
1. It contains a carbonyl bond
2. It contains an ether bond
3. It contains an ester bond
4. It contains an amide bond
Subtopic: Carbohydrates - Classification & D-L configuration |
Level 3: 35%-60%
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Consider the sugars labelled X and Y in the image:
Which of the following statements about sugars X and Y is/are not correct?
1. a and b
2. a and d
3. a, c and d
4. b and c
Which of the following statements about sugars X and Y is/are not correct?
| a. | X is a reducing sugar and Y is a non-reducing sugar. |
| b. | X is a non-reducing sugar and Y is a reducing sugar. |
| c. | The glycosidic linkages in X and Y are \(\alpha\) and \(\beta\) respectively. |
| d. | The glycosidic linkages in X and Y are \(\beta\) and \(\alpha\) respectively. |
1. a and b
2. a and d
3. a, c and d
4. b and c
Subtopic: Carbohydrates - Classification & D-L configuration |
Level 3: 35%-60%
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The Fischer presentation of D-glucose is given below:
The correct structures of \(\beta-\)L-glucopyranose is/(are):
The correct structures of \(\beta-\)L-glucopyranose is/(are):
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Carbohydrates - Classification & D-L configuration |
74%
Level 2: 60%+
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Consider the following reactions:
'x', 'y', and 'z' in the above-given reactions are, respectively:
1. 5, 4, and 5
2. 4, 6, and 5
3. 4, 5, and 5
4. 5, 6, and 5
| (i) | \(\small {Glucose + ROH} \xrightarrow { \text {dry HCl}} \text {Acetal} \xrightarrow [(CH_3CO)_2O] { x~ eq. of} \text {acetyl derivative}\) |
| (ii) | \(\text {Glucose } \xrightarrow { {Ni}/H_2} \text {A} \xrightarrow [(CH_3CO)_2O] { y~ eq. of} \text {acetyl derivative}\) |
| (iii) | \(\text {Glucose } \xrightarrow [(CH_3CO)_2O] { z~ eq. of} \text {acetyl derivative}\) |
1. 5, 4, and 5
2. 4, 6, and 5
3. 4, 5, and 5
4. 5, 6, and 5
Subtopic: Carbohydrates - Classification & D-L configuration |
Level 3: 35%-60%
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Given below are two statements:
In the light of the above statements choose the correct answer from the options given below:
| Statement I: | A unit formed by the attachment of a base to 1' position of sugar is known as a nucleoside. |
| Statement II: | When nucleoside is linked to a phosphorous acid at 5' position of sugar moiety, we get nucleotide. |
| 1. | Statement I is false but Statement II is true. |
| 2. | Both Statement I and Statement II are true. |
| 3. | Both Statement I and Statement II are false. |
| 4. | Statement I is true but Statement II is false. |
Subtopic: DNA, RNA & Metal Ions |
Level 4: Below 35%
NEET - 2023
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Which naturally occurring amino acid contains only one basic functional group?
| 1. | Arginine | 2. | Lysine |
| 3. | Histidine | 4. | Isoleucine |
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
Level 3: 35%-60%
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The figure shows a hypothetical tetrapeptide portion of a protein with parts labelled A-D. Which one of the following options is correct?
| 1. | D is the acidic amino acid - glutamic acid |
| 2. | C is an aromatic amino acid - tryptophan |
| 3. | A is the C-terminal amino acid and D is N terminal amino acid |
| 4. | A is the sulphur containing amino acid-methionine |
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
57%
Level 3: 35%-60%
NEET - 2013
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