Select Question Set:
Q. No.Consider the given two statements:
Assertion (A):
Plants do not require specialized respiratory organs.
Reason (R):
Every plant part takes care of its own gas exchange needs through stomata and lenticels.
Choose the correct option.
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: Introduction |
93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following takes place in the step where succinyl coenzyme A is converted to succinic acid in the TCA cycle?
1. One molecule of ATP is directly synthesized.
2. NAD+ is reduced.
3. FAD is reduced.
4. One molecule of GTP is synthesized.
Subtopic: Kreb's Cycle |
82%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
When fatty acids are being used as respiratory substrates, they enter cellular respiration as:
1. Glucose
2. Glyceraldehyde Phosphate
3. Pyruvate
4. Acetyl Coenzyme A
1. Glucose
2. Glyceraldehyde Phosphate
3. Pyruvate
4. Acetyl Coenzyme A
Subtopic: The Respiratory Balance Sheet |
79%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the following statements:
A single turn of the Krebs citric acid cycle produces
A: one molecule of FADH2
B: two molecules of CO2
1. only A is correct
2. only B is correct
3. both A and B are correct
4. both A and B are incorrect
A single turn of the Krebs citric acid cycle produces
A: one molecule of FADH2
B: two molecules of CO2
1. only A is correct
2. only B is correct
3. both A and B are correct
4. both A and B are incorrect
Subtopic: Kreb's Cycle |
77%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
What is the number of carbon dioxide molecules produced during the 10 metabolic reactions of glycolytic pathway?
1. 0
2. 1
3. 2
4. 3
1. 0
2. 1
3. 2
4. 3
Subtopic: Glycolysis |
85%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
| Assertion (A): | The processes of lactic acid and alcohol fermentation are less efficient in harnessing the energy stored in glucose compared to aerobic respiration. |
| Reason (R): | In these fermentation pathways, the incomplete breakdown of glucose occurs under anaerobic conditions, where oxygen is not available. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A). |
| 2. | Both (A) and (R) are True and (R) does not correctly explain (A). |
| 3. | (A) is True; (R) is False |
| 4. | Both (A) and (R) are False |
Subtopic: Fermentation |
84%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In mitochondrial electron transport chain:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | Complex I is NADH dehydrogenase |
| II: | Complex II is succinate dehydrogenase |
| III: | Complex III is cytochrome b6f complex. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: ETS |
53%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The carbohydrates, in aerobic cellular respiration, are ultimately broken down into:
| 1. | acetyl-CoA | 2. | CO2 |
| 3. | O2 | 4. | heat |
Subtopic: Aerobic Respiration |
60%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Oxidation of acetyl CoA via the TCA cycle requires:
1. Only I is correct
2. Only II is correct
3. Neither I nor II are correct
4. Both I and II are correct
| I: | the continued replenishment of oxaloacetic acid. |
| II: | the regeneration of NAD+ and FAD. |
1. Only I is correct
2. Only II is correct
3. Neither I nor II are correct
4. Both I and II are correct
Subtopic: Kreb's Cycle |
70%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The energy for the production of ATP by oxidative phosphorylation is provided by:
1. Sunlight
2. Coenzyme A
3. Chemiosmosis of protons across the ATP synthase
4. Cytochromes of the electron transport chain
1. Sunlight
2. Coenzyme A
3. Chemiosmosis of protons across the ATP synthase
4. Cytochromes of the electron transport chain
Subtopic: Oxidative Phosphorylation |
72%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2025 GoodEd Technologies Pvt. Ltd.