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%
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NEET - 2020
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NEET 2023 - Target Batch - Aryan Raj Singh
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Pyruvate dehydrogenase activity during aerobic respiration requires :-

1. Calcium

2. Iron

3. Cobalt

4. Magnesium

Subtopic:  Aerobic Respiration |
 92%
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Consider the two given statements:
I. Glycolysis is thought to be one of the most ancient of metabolic processes.
II. Glycolysis neither uses nor needs O2.
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. Both I and II are incorrect

Subtopic:  Glycolysis |
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In aerobic cellular respiration, maximum number of ATP molecules is produced during?
1. Glycolysis
2. Oxidation of pyruvate
3. Kreb’s cycle
4. Chemiosmosis

Subtopic:  ETS |
From NCERT
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The mitochondrial electron transport chain is located in:
1. The outer membrane
2. The inner membrane
3. The inter-membrane space
4. Stroma

Subtopic:  ETS |
 79%
From NCERT
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The products of three turns of Kreb’s cycle will be:
1. 1 ATP, 2 CO2, 3 NADH, and 1 FADH2
2. 3 ATP, 3 CO2, 3 NADH, and 3 FADH2
3. 3 ATP, 6 CO2, 9 NADH, and 3 FADH2
4. 38 ATP, 6 CO2, 3 NADH, and 12 FADH2

Subtopic:  Kreb's Cycle |
 79%
From NCERT
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In β-oxidation:
1. Fatty acids are joined to form acetyl CoA
2. Fatty acids are broken down to form Acetyl CoA
3. Amino acids are converted to glucose
4. Amino acids are converted to intermediates of Kreb’s cycle

Subtopic:  Amphibolic Nature of Respiration |
 76%
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Pyruvate enters the mitochondrion by:
1. Active transport
2. Facilitated diffusion
3. Diffusion
4. Through a channel

Subtopic:  Aerobic Respiration | Kreb's Cycle |
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What percent of ATP produced during glycolysis are the result of substrate level phosphorylation?
1. 0
2. 25
3. 50
4. 100

Subtopic:  Glycolysis |
From NCERT
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In aerobic cellular respiration, oxygen is actually directly used only by:
1. Glycolysis
2. Oxidation of pyruvate
3. Kreb’s cycle
4. Electron transport

Subtopic:  Aerobic Respiration | ETS |
 78%
From NCERT
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