The number of substrate level of phosphorylations in one turn of citric acid cycle is:

1.One2.Two
3.Three4.Four

Subtopic:  Kreb's Cycle |
 70%
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 |
 82%
From NCERT
NEET - 2020
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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 |
 83%
From NCERT
NEET - 2019
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In mitochondria, protons accumulate in the:
1. Matrix
2. Outer membrane
3. Inner membrane
4. Intermembrane space

Subtopic:  Oxidative Phosphorylation |
 61%
From NCERT
AIPMT - 2011
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During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP:

1. Glycolysis

2. Krebs cycle

3. Electron transport chain

4. Conversion of pyruvic acid to acetyl CoA 

Subtopic:  ETS:1 |
 62%
From NCERT
AIPMT - 2005
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In glycolysis, during oxidation, electrons are removed by:
1. Glyceraldehyde-3-phosphate
2. NAD+
3. Molecular oxygen
4. ATP

Subtopic:  Glycolysis |
 69%
From NCERT
AIPMT - 2004
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Which of the following yield maximum energy?
1.  By glycolysis in a sprinter
2.  Aerobic respiration in germinating seeds
3.  Fermentation by yeast
4.  Anaerobic respiration

Subtopic:  Aerobic Respiration |
 81%
From NCERT
AIPMT - 1999
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How many ATP molecules are produced by the Aerobic oxidation of one molecule of glucose:
1. 2
2. 4
3. 38
4. 34

Subtopic:  Aerobic Respiration |
 86%
From NCERT
AIPMT - 2002
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Glycolysis is:
1. Oxidation of glucose to glutamate
2. Conversion of pyruvate to citrate
3. Oxidation of glucose to pyruvate
4. Conversion of glucose to haem

Subtopic:  Glycolysis |
 97%
From NCERT
AIPMT - 2003
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In which one of the following do the two names refer to one and the same thing:
1. Kreb's cycle and Calvin cycle
2. Tricarboxylic acid cycle and citric acid cycle
3. Citric acid cycle and Calvin cycle
4. Tricarboxylic acid cycle and urea cycle

Subtopic:  Kreb's Cycle |
 91%
From NCERT
AIPMT - 2003
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