What is the number of correct statements amongst the statements given below?
I. Valine is an acidic amino acid.
II. Gingelly oil remains as oil in winters.
III. Abrin, Morphine and Vinblastin are all primary metabolites.
IV. Insulin is a polymer of fructose.
V. In a polysaccharide chain, the right end is the reducing end.
VI. Collagen is most abundant protein in biosphere.
1. 2
2. 3
3. 4
4. 5
Subtopic: Amino Acids | Carbohydrates | Lipids | Lipids: Fatty Acids | Different Amino Acids | Primary & Secondary Metabolites |
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The bonds formed by dehydration include:
A. Glycosidic bond
B. Peptide bond
1. Only A
2. Only B
3. Both A and B
4. Neither A nor B
A. Glycosidic bond
B. Peptide bond
1. Only A
2. Only B
3. Both A and B
4. Neither A nor B
Subtopic: Zwitter ion & Peptide Bond | Carbohydrates: Glycosidic Bond & Disaccharide |
68%
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Consider the two statements:
Statement I: Majority of chemical reactions in living organisms occur in isolation.
Statement II: A few chemical reactions in living organisms like peptide bond formation are not catalysed.
1. Statement I is correct and Statement II is also correct
2. Statement I is incorrect and Statement II is correct
3. Statement I is incorrect and Statement II is also incorrect
4. Statement I is correct and Statement II is incorrect
Statement I: Majority of chemical reactions in living organisms occur in isolation.
Statement II: A few chemical reactions in living organisms like peptide bond formation are not catalysed.
1. Statement I is correct and Statement II is also correct
2. Statement I is incorrect and Statement II is correct
3. Statement I is incorrect and Statement II is also incorrect
4. Statement I is correct and Statement II is incorrect
Subtopic: METABOLIC BASIS FOR LIVING (OLD NCERT) | THE LIVING STATE (OLD NCERT) |
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In peroxidase and catalase, heam is:
1. prosthetic group and is a part of active site
2. prosthetic group and is not a part of active site
3. is a co-enzyme
4. is a co-substrate
1. prosthetic group and is a part of active site
2. prosthetic group and is not a part of active site
3. is a co-enzyme
4. is a co-substrate
Subtopic: Enzymes Classification |
69%
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Choose the mismatch among the following.
1. GLUT-4 – Unable glucose transport into cells
2. Trypsin – Enzyme
3. Essential oil – Lemon grass oil
4. Drug – Vinblastin
1. GLUT-4 – Unable glucose transport into cells
2. Trypsin – Enzyme
3. Essential oil – Lemon grass oil
4. Drug – Vinblastin
Subtopic: Primary & Secondary Metabolites |
73%
From NCERT
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Read the given statements A, B and C and select the correct option.
1. Statements (A) and (B) are correct
2. Statements (B) and (C) are correct
3. Statements (A) and (C) are correct
4. Statements (A), (B) and (C) are correct
| (A) | All enzymes are proteinaceous in nature. |
| (B) | Some competitive inhibitors are often used in the control of bacterial pathogens. |
| (C) | Active site of an enzyme is formed by the folding of the backbone of tertiary structure of protein upon itself. |
2. Statements (B) and (C) are correct
3. Statements (A) and (C) are correct
4. Statements (A), (B) and (C) are correct
Subtopic: Proteins | Enzymes | Factors Affecting Enzyme Catalysis Reaction | Properties of Enzymes |
58%
From NCERT
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Match column-I with column-II and select the correct option.
1. a(iii), b(i), c(ii), d(iv)
2. a(iii), b(ii), c(iv), d(i)
3. a(iii), b(ii), c(v), d(i)
4. a(iii), b(v), c(ii), d(iv)
| Column-I | Column-II | ||
| a. | Catalyse the transfer of specific groups other than hydrogen from one substrate to other | (i) | Oxido- reductases |
| b. | Catalyse the breakdown of larger molecules into smaller with addition of water |
(ii) | Lyases |
| c. | Catalyse removal of groups from substrates by mechanism other than hydrolysis leaving double bonds |
(iii) | Transferases |
| d. | Catalyse linking together of 2 compounds | (iv) | Ligases |
| (v) | Hydrolases |
2. a(iii), b(ii), c(iv), d(i)
3. a(iii), b(ii), c(v), d(i)
4. a(iii), b(v), c(ii), d(iv)
Subtopic: Enzymes Classification |
81%
From NCERT
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Select the correct match from among the following:
1. Collagen – Intracellular ground substance
2. Toxin – Codeine
3. Lectin – Ricin
4. Alkaloid – Morphine
1. Collagen – Intracellular ground substance
2. Toxin – Codeine
3. Lectin – Ricin
4. Alkaloid – Morphine
Subtopic: Primary & Secondary Metabolites |
72%
From NCERT
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Select the incorrect statement among the following:
| 1. | Palmitic acid has 16 carbons including carboxyl carbon. |
| 2. | Lipids are not polymers but they are assembled from smaller molecules by dehydration. |
| 3. | Arachidonic acid has 20 carbon atoms including carboxyl carbon. |
| 4. | Lecithin is an example of phospholipid found in neural tissues but absent in cell membrane. |
Subtopic: Lipids |
82%
From NCERT
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If the enzyme commission number of an enzyme is 2.7.1.1 then it catalyse which of the following reaction?
1. \(\mathrm{AB}+\mathrm{H}_2 \mathrm{O} \rightleftharpoons \mathrm{AH}+\mathrm{BOH}\)
2.
3. \(S-G+S^{\prime} \rightarrow S+S^{\prime}-G\)
4. Alcohol + NAD → Aldehyde + NADH2
1. \(\mathrm{AB}+\mathrm{H}_2 \mathrm{O} \rightleftharpoons \mathrm{AH}+\mathrm{BOH}\)
2.
3. \(S-G+S^{\prime} \rightarrow S+S^{\prime}-G\)
4. Alcohol + NAD → Aldehyde + NADH2
Subtopic: Enzymes Classification |
55%
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