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Q. No.Given below are two statements :
In light of the above statements, choose the most appropriate answer from the options given below
| Statement I: | Respiratory Quotient (RQ) is the ratio of the volume of CO2 evolved to the volume of O2 consumed |
| Statement II: | Respiratory Quotient (RQ) is the ratio of the volume of O2 evolved to the volume of CO2 consumed |
In light of the above statements, choose the most appropriate answer from the options given below
| 1. | Both Statement I and Statement II are correct |
| 2. | Both Statement I and Statement II are incorrect |
| 3. | Statement I is correct but Statement II is incorrect |
| 4. | Statement I is incorrect but Statement II is correct |
Subtopic: Respiratory Quotient |
90%
Level 1: 80%+
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NEET 2026 - Target Batch - Vital
Consider the following reactions in glycolysis and arrange in correct sequence:
A. Phosphorylation of glucose
B. Isomerisation of glucose-6-phosphate
C. Isomerisation of dihydroxyacetone phosphate
D. Phosphorylation of fructose-6-phosphate
E. Cleavage of fructose 1, 6-diphosphate
Choose the correct from the options given below:
1. D>B>A>E>C
2. A>B>D>E>C
3. D>B>E>C>A
4. A>E>B>D>C
A. Phosphorylation of glucose
B. Isomerisation of glucose-6-phosphate
C. Isomerisation of dihydroxyacetone phosphate
D. Phosphorylation of fructose-6-phosphate
E. Cleavage of fructose 1, 6-diphosphate
Choose the correct from the options given below:
1. D>B>A>E>C
2. A>B>D>E>C
3. D>B>E>C>A
4. A>E>B>D>C
Subtopic: Glycolysis |
89%
Level 1: 80%+
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Given below are two statements:
Assertion (A):
Glycolysis occurs in cytoplasm.
Reason (R):
Enzymes of glycolysis are found in cytoplasm. It is common in aerobic/anaerobic respiration.
1.
Both (A) and (R) are true and (R) is the correct explanation of (A).
2.
Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.
(A) is true but (R) is false.
4.
Both (A) and (R) are false.
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
- If both the assertion and the reason are true and the reason is a correct explanation of the assertion
- If both the assertion and reason are true but the reason is not a correct explanation of the assertion
- If the assertion is true but the reason is false
- If both the assertion and reason are false
Subtopic: Glycolysis |
82%
Level 1: 80%+
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In glycolysis, fructose 1,6-bisphosphate is split into DHAP and PGAL. PGAL refers to
1. 3-phosphoglyceraldehyde
2. Pyruvic glyceraldehyde
3. Phosphate glyceraldehyde
4. None of the above
1. 3-phosphoglyceraldehyde
2. Pyruvic glyceraldehyde
3. Phosphate glyceraldehyde
4. None of the above
Subtopic: Glycolysis |
80%
Level 1: 80%+
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| Statement I: | In fermentation, there is a net gain of 12 molecules of ATP for each molecule of glucose degraded to pyruvic acid whereas only 2 molecules of ATP are generated under aerobic conditions. |
| Statement II: | Fermentation accounts for only a partial breakdown of glucose whereas in aerobic respiration it is completely degraded to CO2 and H2O. |
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.
Subtopic: Glycolysis | Fermentation |
76%
Level 2: 60%+
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| A: | Glycolysis is the first common step of both aerobic as well as anaerobic respiration. |
| R: | 1 molecule of hexose sugar is converted into molecules of pyruvic acid in the absence or presence of oxygen in glycolysis. |
| 1. | If both (A) & (R) are true and the (R) is the correct explanation of the (A), then mark (1). |
| 2. | If both (A) & (R) are true but the (R) is not the correct explanation of the (A), then mark (2). |
| 3. | If (A) is a true statement but the (R) is false, then mark (3). |
| 4. | If both (A) and (R) are false statements, then mark (4). |
Subtopic: Glycolysis |
69%
Level 2: 60%+
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During glycolysis, when each molecule of glucose is catabolized to two molecules of pyruvate, most of the potential energy contained in glucose is
| 1. | transferred to ADP, forming ATP |
| 2. | transferred directly to ATP |
| 3. | retained in the two pyruvates |
| 4. | stored in the NADH produced |
Subtopic: Glycolysis |
62%
Level 2: 60%+
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Hints
Given below are two statements:
In light of the above statements, choose the most appropriate answer from the options given below:
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.
| Statement I: | The first five reactions of glycolytic pathway convert a molecule of glucose into 2 molecules of glyceraldehyde-3-phosphate. |
| Statement II: | The final product of glycolysis is pyruvate in aerobic settings and lactate in anaerobic conditions. |
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.
Subtopic: Glycolysis | Fermentation |
57%
Level 3: 35%-60%
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Identify the enzyme of TCA cycle located in the inner mitochondrial membranes, and its function.
| 1. | Lactate dehydrogenase and it converts NAD+ to NADH |
| 2. | Succinate dehydrogenase and it reduces ubiquinone to ubiquinol |
| 3. | Succinate dehydrogenase and it converts NAD+ to NADH |
| 4. | Lactate dehydrogenase and it catalyzes the conversion of isocitrate into alpha-ketoglutarate |
Subtopic: Kreb's Cycle |
56%
Level 3: 35%-60%
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Which of the following event occurs in aerobic respiration?
Choose the correct answer from the options given below:
1. B, D and E only
2. B, C and D only
3. B and D only
4. B and E only
| A. |  |
| B. | \(\small\text { Pyruvic acid }+\mathrm{COA}+\mathrm{NAD}^{-} \underset{\text { Pyruvate dehydrogenase }}{\stackrel{\mathrm{Mg}^{2-}}{\longrightarrow}} \text { Acetyl } \mathrm{COA}+\\ \mathrm{CO}_{2}+\mathrm{NADH}+\mathrm{H}^{-}\) |
| C. |  |
| D. | \(\small\text { Pyruvic acid }+4 \mathrm{NAD}^{-}+\mathrm{FAD}^{-}+2 \mathrm{H}_{2} \mathrm{O}+\mathrm{ADP}+\mathrm{P}_{i} \stackrel{\text { Mitochondrial Matrix }}{\longrightarrow} \\3 \mathrm{CO}_{2}+4 \mathrm{NADH}+4 \mathrm{H}^{-}+\mathrm{FADH}_{2}+\mathrm{ATP}^{}\) |
| E. | \(\small\text { Pyruvic acid }+\mathrm{COA}+\mathrm{NAD}^{-} \stackrel{\text { Mitochondrial Matrix }}{\longrightarrow}\\ \text { Acetyl } \mathrm{COA}+\mathrm{CO}_{2}+\mathrm{NADH}+\mathrm{H}^{-}\) |
1. B, D and E only
2. B, C and D only
3. B and D only
4. B and E only
Subtopic: Glycolysis | Aerobic Respiration | Kreb's Cycle |
54%
Level 3: 35%-60%
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