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Q. No.The number of substrate level of phosphorylations in one turn of citric acid cycle is:
1.
One
2.
Two
3.
Three
4.
Four
Subtopic: Kreb's Cycle |
72%
From NCERT
NEET - 2020
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Pyruvate dehydrogenase activity during aerobic respiration requires :-
1. Calcium
2. Iron
3. Cobalt
4. Magnesium
Subtopic: Aerobic Respiration |
92%
From NCERT
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Where is the respiratory electron transport system (ETS) located in plants?
1. Mitochondrial matrix
2. Outer mitochondrial membrane
3. Inner mitochondrial membrane
4. Intermembrane space
Subtopic: ETS:1 | ETS |
84%
From NCERT
NEET - 2019
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Which of the following statements is incorrect?
| 1. | ATP is synthesized through complex V. |
| 2. | Oxidation-reduction reactions produce a proton gradient in respiration. |
| 3. | During aerobic respiration, the role of oxygen is limited to the terminal stage. |
| 4. | In ETC (Electron Transport Chain), one molecule of NADH+H+ gives rise to 2 ATP molecules, and one FADH2 gives rise to 3 ATP molecules. |
Subtopic: ETS |
85%
From NCERT
NEET - 2021
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Subtopic: Respiratory Quotient |
83%
From NCERT
NEET - 2019
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Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by:
1. Phosphofructokinase
2. Aldolase
3. Hexokinase
4. Enolase
Subtopic: Glycolysis |
91%
From NCERT
NEET - 2019
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The three boxes in this diagram represent the three major biosynthetic pathways in aerobic respiration. Arrows represent net reactants or products.
Arrows numbered 4, 8, and 12 can all be:
| 1. | ATP | 2. | A2O |
| 3. | FAD+ or FADH2 | 4. | NADH |
Subtopic: Aerobic Respiration |
78%
AIPMT - 2013
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NEET 2026 - Target Batch - Vital
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Which of these statements is incorrect?
| 1. | Enzymes of the TCA cycle are present in the mitochondrial matrix. |
| 2. | Glycolysis occurs in the cytosol. |
| 3. | Glycolysis operates as long as it is supplied with NAD that can pick up hydrogen atoms. |
| 4. | Oxidative phosphorylation takes place in the outer mitochondrial membrane. |
Subtopic: Oxidative Phosphorylation |
78%
From NCERT
NEET - 2018
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What is the role of NAD+ in cellular respiration?
| 1. | It functions as an enzyme |
| 2. | It functions as an electron carrier |
| 3. | It is a nucleotide source for ATP synthesis |
| 4. | It is the final electron acceptor for anaerobic respiration |
Subtopic: Aerobic Respiration |
58%
From NCERT
NEET - 2018
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Which of the following biomolecules is common to respiration-mediated breakdown of fats, carbohydrates and proteins?
1. Glucose-6-phosphate
2. Fructose 1, 6-bisphosphate
3. Pyruvic acid
4. Acetyl Co-A
1. Glucose-6-phosphate
2. Fructose 1, 6-bisphosphate
3. Pyruvic acid
4. Acetyl Co-A
Subtopic: THE RESPIRATORY BALANCE SHEET |
79%
From NCERT
NEET - 2016
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