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Q. No.Identify the cytochrome which acts as a mobile carrier for the transfer of electrons between complex III and IV?
1.
Cytochrome a
2.
Cytochrome a3
3.
Cytochrome b c1
4.
Cytochrome c
Subtopic: ETS |
77%
From NCERT
NEET - 2022
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Substrate-level phosphorylation accounts for approximately what percentage of the ATP formed by the reactions of glycolysis?
1. 0%
2. 2%
3. 10%
4. 100%
1. 0%
2. 2%
3. 10%
4. 100%
Subtopic: Glycolysis | Glycolysis Regulation |
73%
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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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NEET 2023 - Target Batch - Aryan Raj Singh
The oxygen consumed during cellular respiration is involved directly in which process or event?
1. glycolysis
2. accepting electrons at the end of the electron transport chain
3. the citric acid cycle
4. the oxidation of pyruvate to acetyl CoA
1. glycolysis
2. accepting electrons at the end of the electron transport chain
3. the citric acid cycle
4. the oxidation of pyruvate to acetyl CoA
Subtopic: ETS:1 |
86%
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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NEET 2023 - Target Batch - Aryan Raj Singh
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 |
60%
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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 |
66%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
| 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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NEET 2023 - Target Batch - Aryan Raj Singh
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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NEET 2023 - Target Batch - Aryan Raj Singh
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 |
53%
From NCERT
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