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Q. No.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 |
81%
From NCERT
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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
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 |
61%
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Hints
| 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 Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1). |
| 2. | If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2). |
| 3. | If Assertion is a true statement but the Reason is false, then mark (3). |
| 4. | If both Assertion and Reason are false statements, then mark (4). |
Subtopic: Glycolysis |
67%
From NCERT
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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 |
75%
From NCERT
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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%
From NCERT
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Which of the following event occurs in aerobic respiration?
A.
B. \(\text { Pyruvic acid }+\mathrm{COA}+\mathrm{NAD}^{-} \underset{\text { Pyruvate dehydrogenase }}{\stackrel{\mathrm{Mg}^{2-}}{\longrightarrow}} \text { Acetyl } \mathrm{COA}+\mathrm{CO}_{2}+\mathrm{NADH}+\mathrm{H}^{-}\)
C.
D. \(\text { Pyruvic acid }+4 \mathrm{NAD}^{-}+\mathrm{FAD}^{-}+2 \mathrm{H}_{2} \mathrm{O}+\mathrm{ADP}+\mathrm{P}_{i} \stackrel{\text { Mitochondrial Matrix }}{\longrightarrow} 3 \mathrm{CO}_{2}+4 \mathrm{NADH}+4 \mathrm{H}^{-}+\mathrm{FADH}_{2}+\mathrm{ATP}^{}\)
E. \(\text { Pyruvic acid }+\mathrm{COA}+\mathrm{NAD}^{-} \stackrel{\text { Mitochondrial Matrix }}{\longrightarrow} \text { Acetyl } \mathrm{COA}+\mathrm{CO}_{2}+\mathrm{NADH}+\mathrm{H}^{-}\)
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. \(\text { Pyruvic acid }+\mathrm{COA}+\mathrm{NAD}^{-} \underset{\text { Pyruvate dehydrogenase }}{\stackrel{\mathrm{Mg}^{2-}}{\longrightarrow}} \text { Acetyl } \mathrm{COA}+\mathrm{CO}_{2}+\mathrm{NADH}+\mathrm{H}^{-}\)
C.
D. \(\text { Pyruvic acid }+4 \mathrm{NAD}^{-}+\mathrm{FAD}^{-}+2 \mathrm{H}_{2} \mathrm{O}+\mathrm{ADP}+\mathrm{P}_{i} \stackrel{\text { Mitochondrial Matrix }}{\longrightarrow} 3 \mathrm{CO}_{2}+4 \mathrm{NADH}+4 \mathrm{H}^{-}+\mathrm{FADH}_{2}+\mathrm{ATP}^{}\)
E. \(\text { Pyruvic acid }+\mathrm{COA}+\mathrm{NAD}^{-} \stackrel{\text { Mitochondrial Matrix }}{\longrightarrow} \text { Acetyl } \mathrm{COA}+\mathrm{CO}_{2}+\mathrm{NADH}+\mathrm{H}^{-}\)
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
Subtopic: Glycolysis | Aerobic Respiration | Kreb's Cycle |
54%
From NCERT
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Hints
Please attempt this question first.
Arrange the following steps of Glycolysis, starting from last to first
A. Glyceraldehyde-3-phosphate → 1,3, bis phosphoglyceric acid
B. Fructose-6-phosphate → Fructose 1,6, bisphosphate
C. Glucose → Glucose-6-phosphate
D. 3-Phosphoglyceric Acid → 2-Phosphoglycerate
E. Phosphoenol pyruvate → Pyruvic Acid
Choose the correct answer from the options given below
1. A, D, E, B, C
2. E, D, A, B, C
3. D, E, B, A , C
4. B, E, A, D, C
A. Glyceraldehyde-3-phosphate → 1,3, bis phosphoglyceric acid
B. Fructose-6-phosphate → Fructose 1,6, bisphosphate
C. Glucose → Glucose-6-phosphate
D. 3-Phosphoglyceric Acid → 2-Phosphoglycerate
E. Phosphoenol pyruvate → Pyruvic Acid
Choose the correct answer from the options given below
1. A, D, E, B, C
2. E, D, A, B, C
3. D, E, B, A , C
4. B, E, A, D, C
Subtopic: Glycolysis |
88%
From NCERT
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Hints
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Given below are two statements :
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
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 |
89%
From NCERT
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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 |
78%
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Hints
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
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 |
55%
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