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Q. No.
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.
In the following questions, a statement of assertion (A) is followed by a statement of reason (R).
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 |
66%
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 |
56%
From NCERT
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Given below are two statements:
Statement I: In glycolysis, the conversion of 1, 3-bisphosphoglyceric acid to 3-phosphoglyceric acid and conversion of phosphoenolpyruvate to pyruvic acid are energy-yielding processes.
Statement II: In glycolysis, the conversion of fructose-6-phosphate to fructose-1, 6-bisphosphate and conversion of PGAL to 1, 3-bisphosphoglycerate are energy-yielding processes.
In light of the above statements, choose the most appropriate answer from the options given below.
1. Both statement I and statement II are true
2. Both statement I and statement II are false
3. Statement I is correct but statement II is false
4. Statement I is incorrect but statement II is true
Statement I: In glycolysis, the conversion of 1, 3-bisphosphoglyceric acid to 3-phosphoglyceric acid and conversion of phosphoenolpyruvate to pyruvic acid are energy-yielding processes.
Statement II: In glycolysis, the conversion of fructose-6-phosphate to fructose-1, 6-bisphosphate and conversion of PGAL to 1, 3-bisphosphoglycerate are energy-yielding processes.
In light of the above statements, choose the most appropriate answer from the options given below.
1. Both statement I and statement II are true
2. Both statement I and statement II are false
3. Statement I is correct but statement II is false
4. Statement I is incorrect but statement II is true
Subtopic: Glycolysis |
79%
From NCERT
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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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Given below are two statements
Statement I: The end products of Electron Transport System (ETS) are ATP and H2O
Statement II: ETS begins with a reduction of NADH+H+ and ends with oxidation of O2
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 end products of Electron Transport System (ETS) are ATP and H2O
Statement II: ETS begins with a reduction of NADH+H+ and ends with oxidation of O2
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: ETS:1 |
55%
From NCERT
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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
Subtopic: Glycolysis |
81%
From NCERT
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| A: | In aerobic respiration presence of O2 is necessary. |
| R: | O2 in aerobic respiration plays only one role i.e. terminal acceptor of the electron. |
| 1. | If both Assertion & Reason are true and the reason is the correct explanation of the assertion. |
| 2. | If both Assertion & Reason are true but the reason is not the correct explanation of the assertion. |
| 3. | If Assertion is a true statement but the Reason is false. |
| 4. | If both Assertion and Reason are false statements. |
Subtopic: Aerobic Respiration | ETS:2 | ETS:1 |
71%
From NCERT
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Assertion(A): In green plants all other organs, tissues and cells that are non-green, need food for oxidation.
Reason(R): They cannot photosynthesize their food.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Reason(R): They cannot photosynthesize their food.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Subtopic: Respiratory Quotient |
83%
From NCERT
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Assertion(A): Energy released by oxidation in respiration is not used directly but is used to synthesize ATP.
Reason(R): ATP can be broken down whenever energy is required by cells.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Reason(R): ATP can be broken down whenever energy is required by cells.
Choices for Assertions and reasons:
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. (A) is false, but (R) is true.
Subtopic: Respiratory Quotient |
79%
From NCERT
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