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Q. No.What is the fate of pyruvic acid under anaerobic conditions in our body?
1. It gets converted into methyl gets alcohol
2. It gets converted into acetyl CoA
3. It gets converted into lactic acid
4. It gets converted into glycogen
Subtopic: Glycolysis |
77%
From NCERT
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Subtopic: ETS |
58%
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The enzyme that catalyses the conversion of glucose-6-phosphate into fructose-6-phosphate is
1. A ligase
2. An isomerase
3. A lyase
4. A hydrolase
1. A ligase
2. An isomerase
3. A lyase
4. A hydrolase
Subtopic: Glycolysis |
90%
From NCERT
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Match column - I with column - II and select the correct option
1. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
2. (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)
3. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
4. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
| Column-I | Column-II | ||
| (a) | Cis-aconitate | (i) | 4C - compound |
| (b) | \(\alpha\)-ketoglutarate | (ii) | 3C - compound |
| (c) | Fumarate | (iii) | 6C - compound |
| (d) | 1,3-diphosphoglyceric acid | (iv) | 5C - compound |
1. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
2. (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)
3. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
4. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
Subtopic: Aerobic Respiration |
83%
From NCERT
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Match the Column - I with Column - II considering the substrates and chemical reactions occurring in them during Krebs cycle.
1. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
2. (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
3. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
4. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
| Column-I | Column-II | ||
| (a) | Malate | (i) | Decarboxylation |
| (b) | Fumarate | (ii) | Dehydration |
| (c) | Oxalo succinate | (iii) | Oxidation |
| (d) | Citrate | (iv) | Hydration |
1. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
2. (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
3. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
4. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
Subtopic: Kreb's Cycle |
From NCERT
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What does A, B and C depict in the above reaction?
| A | B | C | |
| 1. | Pyruvate dehydrogenase complex | \(\mathrm{CO}_2\) | \(\mathrm{NADH}+\mathrm{H}^{+}\) |
| 2. | \(\mathrm{NADH}+\mathrm{H}^{+}\) | Pyruvate dehydrogenase complex | \(\mathrm{CO}_2\) |
| 3. | \(\mathrm{CO}_2\) | \(\mathrm{NADH}+\mathrm{H}^{+}\) | Pyruvate dehydrogenase complex |
| 4. | Pyruvate dehydrogenase complex | \(\mathrm{NADH}+\mathrm{H}^{+}\) | \(\mathrm{CO}_2\) |
Subtopic: Aerobic Respiration |
85%
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Identify the correct combinations of A and B in given reaction
| 1. | \(\mathrm{A}-\mathrm{NAD}^{+}\) | \(\text { B - Acetyl } \cdot \text { CoA }\) |
| 2. | \(\text { A - Acetyl } \cdot \text { CoA }\) | \(\mathrm{B}-\mathrm{NAD}^{+}\) |
| 3. | \(\mathrm{A}-\mathrm{NADP}^{+}\) | \(\text { B - Acetyl } \cdot \text { CoA }\) |
| 4. | \(\text { A - Acetyl } \cdot \text { CoA }\) | \(\mathrm{B}-\mathrm{NADP}^{+}\) |
Subtopic: Kreb's Cycle |
85%
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Identify the correct combination of A, B and C involved in lactic acid fermentation
\(\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6 \rightarrow \mathrm{A}+\mathrm{B} \rightarrow \text { Lactic acid }+\mathrm{C}\)
\(\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6 \rightarrow \mathrm{A}+\mathrm{B} \rightarrow \text { Lactic acid }+\mathrm{C}\)
| A | B | C | |
| 1. | 2NADH + H+ | 2NAD+ | Pyruvic acid |
| 2. | 2NADH + H+ | Pyruvic acid | 2NAD+ |
| 3. | Pyruvic acid | 2NADH + H+ | 2NAD+ |
| 4. | Pyruvic acid | 2NAD+ | 2NADH + H+ |
Subtopic: Fermentation |
71%
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Match the respiratory substrates in column - I with their RQ value in column - II and choose the correct option
1. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
2. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
3. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
4. (a)-(ii), (b)-(iv), (c)-(ii), (d)-(i)
| Column-I | Column-II | ||
| (a) | Fat | (i) | 0.9 |
| (b) | Protein | (ii) | 1 |
| (c) | Anaerobic respiration | (iii) | 0 |
| (d) | Carbohydrate | (iv) | Infinity |
1. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
2. (a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
3. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
4. (a)-(ii), (b)-(iv), (c)-(ii), (d)-(i)
Subtopic: Respiratory Quotient |
88%
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Match the enzymes involved in glycolysis given in column-I with the reaction they catalyse given in column-II and choose the correct option.
1. (a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
2. (a)-(i), (b)-(iii), (c)-(iv), (d)-(ii)
3. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
4. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
| Column-I | Column-II | ||
| (a) | Hexokinase | (i) | 2PEPA → 2PA |
| (b) | Enolase | (ii) | 1,3 biphosphoglycerate → 3 phoshphoglycerate |
| (c) | Pyruvate kinase | (iii) | Glucose → Glucose 6 phosphate |
| (d) | Phosphoglycerokinase | (iv) | 2 Phosphoglycerate → 2 phosphoenolpyruvate |
1. (a)-(iii), (b)-(i), (c)-(ii), (d)-(iv)
2. (a)-(i), (b)-(iii), (c)-(iv), (d)-(ii)
3. (a)-(iii), (b)-(ii), (c)-(i), (d)-(iv)
4. (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
Subtopic: Glycolysis |
59%
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