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Q. No.In the tricarboxylic acid cycle, what are the respective numbers for – decarboxylation steps, substrate level phosphorylation and points at which FADH2 is produced [calculate for oxidation of one molecule of pyruvic acid]?
1.
3, 2 and 1
2.
2, 1 and 1
3.
3, 1 and 2
4.
2, 2 and 2
Subtopic: Kreb's Cycle |
72%
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During glycolysis in plant cells, the enzyme hexokinase catalyzes the phosphorylation of:
| I: | Glucose |
| II: | Fructose |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Subtopic: Glycolysis |
52%
From NCERT
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The number of carbon atoms in all the following molecules is 4 except in:
| 1. | α ketoglutaric acid | 2. | Oxaloacetic acid |
| 3. | Succinic acid | 4. | Malic acid |
Subtopic: Kreb's Cycle |
82%
From NCERT
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An energy yielding step in glycolysis is:
1. phosphorylation of glucose
2. splitting of fructose 1,6-biphosphate
3. phosphorylation of fructose-6-phosphate
4. conversion of BPGA to 3-phosphoglyceric acid
1. phosphorylation of glucose
2. splitting of fructose 1,6-biphosphate
3. phosphorylation of fructose-6-phosphate
4. conversion of BPGA to 3-phosphoglyceric acid
Subtopic: Glycolysis |
86%
From NCERT
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In the mitochondrial electron transport system, ubiquinone receives reducing equivalents via:
1. Both Complex I and Complex II
2. Complex III
3. Complex IV
4. Complex V
1. Both Complex I and Complex II
2. Complex III
3. Complex IV
4. Complex V
Subtopic: ETS |
85%
From NCERT
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The number of carbon atoms are 3 in all of the following molecules except:
1. Dihydroxyacetone phosphate
2. Glyceraldehyde 3-phosphate
3. Acetyl CoA
4. Pyruvic acid
1. Dihydroxyacetone phosphate
2. Glyceraldehyde 3-phosphate
3. Acetyl CoA
4. Pyruvic acid
Subtopic: Glycolysis | Kreb's Cycle |
81%
From NCERT
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Fermentation is not a waste but it serves an important purpose which is:
1. Regeneration of NAD +
2. Formation of large number of ATP
3. Evolution of oxygen
4. Complete oxidation of pyruvic acid
1. Regeneration of NAD +
2. Formation of large number of ATP
3. Evolution of oxygen
4. Complete oxidation of pyruvic acid
Subtopic: Fermentation |
84%
From NCERT
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What amount of energy is released from glucose during lactic acid fermentation?
1. Less than 7%
2. Approximately 15%
3. More than 18%
4. About 10%
1. Less than 7%
2. Approximately 15%
3. More than 18%
4. About 10%
Subtopic: Fermentation |
89%
From NCERT
NEET - 2022
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
What is the net gain of ATP when each molecule of glucose is converted to two molecules of pyruvic acid?
| 1. | Eight | 2. | Four |
| 3. | Six | 4. | Two |
Subtopic: Glycolysis |
68%
From NCERT
NEET - 2022
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NEET 2026 - Target Batch - Vital
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NEET 2026 - Target Batch - Vital
Match List-I with List II
| List-I | List-II | ||
| (a) | ETS complex-I | (i) | Cyt bc1 |
| (b) | ETS complex-II | (ii) | Cyt a,a3 and 2 copper centres |
| (c) | ETS complex-III | (iii) | NADH dehydrogenase |
| (d) | ETS complex-IV | (iv) | Ubiquinone and FADH2 dehydrogenase |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (i) | (iv) | (iii) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (iii) | (ii) | (i) | (iv) |
| 4. | (iii) | (iv) | (i) | (ii) |
Subtopic: ETS |
85%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
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