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Q. No.Glycerol enters the respiratory pathway after being converted to:
1. PGAL
2. PEP
3. 1, 3 – BPG
4. 2 – PG
1. PGAL
2. PEP
3. 1, 3 – BPG
4. 2 – PG
Subtopic: Amphibolic Nature of Respiration |
83%
From NCERT
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Consider the given two statements:
| Statement I: | In aerobic cellular respiration, the complete oxidation of pyruvate takes place in the cytoplasm. |
| Statement II: | The apparatus for passing electrons to molecular oxygen with simultaneous synthesis of ATP is located in the inter-membrane space |
| 1. | Statement I is incorrect; Statement II is incorrect |
| 2. | Statement I is incorrect; Statement II is correct |
| 3. | Statement I is correct; Statement II is incorrect |
| 4. | Statement I is correct; Statement II is correct |
Subtopic: Glycolysis | Aerobic Respiration |
From NCERT
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NADH + H+ is reoxidised to NAD+ in:
I: Ethanol fermentation
II: Lactate fermentation
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
I: Ethanol fermentation
II: Lactate fermentation
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Fermentation |
87%
From NCERT
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Consider the given two statements:
| Assertion (A): | Carbon dioxide is not produced in glycolysis. |
| Reason (R): | Glycolysis is a metabolic pathway that does not require oxygen. |
| 1. | (A) is True but (R) is False |
| 2. | Both (A) and (R) are True and (R) correctly explains (A) |
| 3. | Both (A) and (R) are True and but (R) does not correctly explain (R) |
| 4. | (A) is False but (R) is True |
Subtopic: Glycolysis |
61%
From NCERT
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The glycolytic pathway has an investment of 2 ATP molecules. At which of the following steps is the debt paid off?
| 1. | Conversion of Glucose into Glucose-6-phospahte |
| 2. | Conversion of Fructose-6-phosphate into Fructose 1,6-biphospahte |
| 3. | Conversion of 1,3 biphoshoglyceric acid into 3-phosphoglyceric acid |
| 4. | Conversion of Phosphoenol pyruvate into Pyruvic acid |
Subtopic: Glycolysis |
56%
From NCERT
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Consider the two given statements:
| Assertion (A): | In aerobic cellular respiration the presence of oxygen is vital. |
| Reason (R): | Oxygen acts as the final hydrogen acceptor. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | (A) is True but (R) is False |
| 3. | (A) is False but (R) is True |
| 4. | Both (A) and (R) are True but (R) does not correctly explain (A) |
Subtopic: ETS |
78%
From NCERT
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Conversion of sucrose into glucose and fructose is catalyzed by:
1. Phosphofructokinase
2. Aldolase
3. Hexokinase
4. Invertase
1. Phosphofructokinase
2. Aldolase
3. Hexokinase
4. Invertase
Subtopic: Glycolysis |
83%
From NCERT
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Regeneration of which of the following is an important role of fermentation in cellular respiration:
1. NADH
2. NADP+
3. NAD+
4. NADPH
1. NADH
2. NADP+
3. NAD+
4. NADPH
Subtopic: Fermentation |
73%
From NCERT
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“Plants can get along without respiratory organs”. The valid arguments in favour of the statement will be:
I: Each plant part takes care of its own gas-exchange needs.
II: Plants do not present great demands for gas exchange.
III: The distance that gases must diffuse even in large, bulky plants is not great.
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
I: Each plant part takes care of its own gas-exchange needs.
II: Plants do not present great demands for gas exchange.
III: The distance that gases must diffuse even in large, bulky plants is not great.
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Introduction |
78%
From NCERT
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Consider the given two statements:
Assertion (A): All living organisms retain the enzymatic machinery to partially oxidise glucose without the help of oxygen.
Reason (R) : The first cells on this planet lived in an atmosphere that lacked oxygen.
1. Both (A) and (R) are true but (R) is not the correct explanation of (A).
2. (A) is true but (R) is false.
3. Both (A) and (R) are true and (R) correctly explains (A).
4. (A) is false but (R) is true.
Assertion (A): All living organisms retain the enzymatic machinery to partially oxidise glucose without the help of oxygen.
Reason (R) : The first cells on this planet lived in an atmosphere that lacked oxygen.
1. Both (A) and (R) are true but (R) is not the correct explanation of (A).
2. (A) is true but (R) is false.
3. Both (A) and (R) are true and (R) correctly explains (A).
4. (A) is false but (R) is true.
Subtopic: Introduction |
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