The type of biochemical reaction shown in the figure is catalysed by a group of enzymes called as:
1.
Transferases
2.
Lyases
3.
Ligases
4.
Oxidoreductases
Subtopic: Â Enzymes Classification |
 82%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Identify the incorrect statement:
| 1. | Cytosine is common for both DNA and RNA. |
| 2. | Uracil is present in RNA at the place of Thymine. |
| 3. | A nitrogenous base is linked to the OH of 1'C pentose sugar through a N-glycosidic linkage to form a nucleoside. |
| 4. | When a phosphate group is linked to OH of 2'C of a nucleoside through phosphoester linkage, a corresponding nucleotide is formed. |
Subtopic: Â Nucleic Acid: Nucleotides |
 78%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
All the following biomolecules can be called both polymers and macromolecules except:
1. Lipids
2. Proteins
3. Carbohydrates
4. Nucleic acids
1. Lipids
2. Proteins
3. Carbohydrates
4. Nucleic acids
Subtopic: Â Lipids |
 88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following secondary metabolites is a carbohydrate-binding protein [Lectin]?
1. Abrin
2. Vinblastin
3. Curcumin
4. Concanavalin A
1. Abrin
2. Vinblastin
3. Curcumin
4. Concanavalin A
Subtopic: Â Primary & Secondary Metabolites |
 89%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Â Amino Acids |
 88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The activator of alcohol dehydrogenase enzyme is:
| 1. | Zinc | 2. | Magnesium |
| 3. | Manganese | 4. | Molybdenum |
Subtopic: Â Enzyme Cofactors |
 71%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the two statements:
| Assertion (A): | Iodine-KI reagent can be used to detect starch in a sample. |
| Reason (R): | Starch can hold iodine molecules in its helical portion and starch-iodine is blue in colour. |
| 1. | Both (A) and (R) are True but (R) does not correctly explain(A). |
| 2. | (A) is True but (R) is False. |
| 3. | Both (A) and (R) are False. |
| 4. | Both (A) and (R) are True and (R) correctly explains (A). |
Subtopic: Â Carbohydrates: Starch & Glycogen |
 76%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In the absence of an enzyme, the catalysed reaction:
| 1. | does not take place |
| 2. | takes place at a very slow rate |
| 3. | takes place at a higher rate |
| 4. | is not affected at all |
Subtopic: Â Enzymes |Â Enzyme Catalysis |
 84%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Â Nucleic Acid |Â The DNA |
 83%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Â Proteins |
 71%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
© 2025 GoodEd Technologies Pvt. Ltd.