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Q. No.The main component present in starch and glycogen is:
1.
Amylose
2.
Glycose
3.
Amylopectin
4.
Cellulose
Subtopic: Polysaccharides & their Importance |
58%
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D-Glucose \(\xrightarrow[]{\textbf{?}}\) Saccharic acid
The oxidizing reagent used for this conversion is -
| 1. | HI | 2. | Bromine water |
| 3. | HNO3 | 4. | H2SO4 |
Subtopic: Polysaccharides & their Importance |
69%
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The incorrect statement about nucleic acid is:
| 1. | It is responsible for heredity. |
| 2. | It is responsible for protein synthesis in a cell. |
| 3. | It is a constituent of the chromosome. |
| 4. | It is responsible for the transmission of chemical signals. |
Subtopic: DNA, RNA & Metal Ions |
79%
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The correct statement about RNA is :
| 1. | The helical structure of RNA is mostly single-stranded . |
| 2. | It has deoxyribose sugar. |
| 3. | It is the chemical basis of heredity. |
| 4. | It contains thymine (T) |
Subtopic: DNA, RNA & Metal Ions |
77%
From NCERT
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Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
67%
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The enzyme used for the above conversion is:
\(C_{12}H_{22}O_{11}\ \xrightarrow[H_2O]{?}\ \text{2 mole of glucose}\)
| 1. | Amylase | 2. | Lactase |
| 3. | Maltase | 4. | Peptidase |
Subtopic: α - Amino Acids, Peptide Bond, Proteins & Structure |
70%
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A natural source of vitamin A among the following is -
| 1. | Amla | 2. | Yeast |
| 3. | Fish liver oil | 4. | Exposure to sunlight |
Subtopic: Vitamins, Hormones & Enzymes |
77%
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Carbohydrates are useful for plants-
1. To build cell membrane.
2. To support structure.
3. To serve as a storage molecule.
4. To help in the transport mechanism.
Subtopic: Carbohydrates - Classification & D-L configuration |
73%
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Subtopic: Vitamins, Hormones & Enzymes |
87%
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Subtopic: Carbohydrates - Classification & D-L configuration |
90%
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