Which of the following is incorrect?

1. The chemical or metabolic conversion refers to a reaction.

2. The chemical which is converted into a product is called an enzyme.

3. Proteins with three dimensional structures including an active site is called enzyme.

4. Enzymes convert a substrate into a product.

Subtopic:  Enzyme Introduction |
 84%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which of the following is incorrect?

1. The ES complex formation is a transient phenomenon
2. The structure of the substrate gets transformed into the structure of product.
3. All the structures formed between substrate and product are called intermediates.
4. Intermediates are highly stable.
Subtopic:  Mechanism of Enzymes |
 90%
From NCERT
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Which of the following is  not true for the graph?

1. The reaction is exothermic

2. The reaction is endothermic

3. The product is more stable than substrate

4. The difference in average energy content of substrate from that of transition state is called activation energy.

Subtopic:  Mechanism of Enzymes |
 79%
From NCERT
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The role of an enzyme in a reaction is to/as

1. Decrease activation energy

2. Increase activation energy

3. Inorganic catalyst

4. Increase potential energy

Subtopic:  Enzyme Introduction |
 89%
From NCERT
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Which of the following is correct for enzyme catalysed reaction?

1. Substrate is conveted into Enzyme

2. Substrate is consumed in the reaction completely

3. Substrate is converted to product

4. Enzyme is converted to product

Subtopic:  Mechanism of Enzymes |
 87%
From NCERT
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Which of the following is correct?

1. Enzymatic activity is maximum at its optimim pH and temperature.

2. Enzymatic activity declines both below and above the optimum value.

3. High temperatures destroys enzymatic activity

4. All of these

Subtopic:  Properties of Enzymes |
 96%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is incorrect?

1. Enzymatic activity is maximum at its optimim pH and temperature.

2. Enzymatic activity declines both below and above the optimum value.

3. Low temperatures destroys enzymatic activity

4. High temperatures destroys enzymatic activity

Subtopic:  Properties of Enzymes |
 87%
From NCERT
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Which of the following destroys the Enzymatic activity?

1. high temperature

2. low temperature

3. pH

4. Both B and C

Subtopic:  Properties of Enzymes |
 85%
From NCERT
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Which of the following factors can influence enzyme activity?

1. High temperature

2. pH

3. Substrate concentration

4. All of these

Subtopic:  Properties of Enzymes |
 94%
From NCERT
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Which of the following is true for competitive inhibition?

1. Km decreases but Vmax increases

2.  Km increases but Vmax decreases

3.  Km increases but Vmax remains same

4.  Km decreases but Vmax remains same

Subtopic:  Properties of Enzymes |
 70%
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NEET 2023 - Target Batch - Aryan Raj Singh
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