Based on the information given in Section 14.3 of your NCERT textbook, can you identify the chemical reaction catalyzed by the enzyme alcohol dehydrogenase?
1.C12H22O11+H2O2C6H12O6
2.CH3COCOO-+H+CH3CHO+CO2
3. CH3CHO+NADH+H+C2H5OH+NAD+
4. None of these

Subtopic:  Fermentation |
 69%
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The maximum concentration of alcohol in beverages that are naturally fermented is about:

1. 5 – 8 % 2. 13 – 15 %
3. 33 – 34 % 4. 47 – 49 %
Subtopic:  Fermentation |
 76%
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Pyruvate is transported into the mitochondria by:
1. Simple diffusion
2. Facilitated diffusion
3. Active transport
4. Either 2 or 3, depending on the availability of oxygen

Subtopic:  Glycolysis Regulation | Aerobic Respiration |
From NCERT
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The continued oxidation of acetyl CoA via the TCA cycle requires the continued replenishment of:

I. Oxaloacetic acid II. NAD+ III. FAD
 
1. I and II only 2. I and III only
3. II and III only 4. I, II and III
Subtopic:  Kreb's Cycle |
 65%
From NCERT
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At how many points in the TCA cycle is NAD+ reduced to NADH + H+?

1. 2 2. 3
3. 4 4. 6
Subtopic:  Kreb's Cycle |
 79%
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During the conversion of succinyl CoA to succinic acid in 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 |
 80%
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The electron transport system in mitochondria is located in the:
1. Inner mitochondrial membrane
2. Outer mitochondrial membrane
3. Inter membrane space
4. Matrix

Subtopic:  Oxidative Phosphorylation | Electron Transport Inhibitors |
 85%
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Ubiquinone receives reducing equivalents via:

I. Complex I II. Complex II III. Complex III
 
1. Only I 2. Only I and II
3. Only I and III 4. I, II and III
Subtopic:  ETS:2 | ETS:1 | ETS |
 69%
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Cytochrome c is found:

1. attached to outer surface of the inner mitochondrial membrane
2. attached to inner surface of the inner mitochondrial membrane
3. in the inter membrane space
4. in the mitochondrial matrix
Subtopic:  ETS:2 | ETS:1 | ETS |
 72%
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The number of ATP molecules synthesized from oxidation of one molecule of NADH and one molecule of FADH2 are respectively:

1. 3 and 2 2. 2 and 3
3. 1 and 1 4. 2 and 1
Subtopic:  ETS:2 | ETS:1 | ETS |
 92%
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