During fermentation, how much energy present in glucose is released?
1. Less than 7%
2. 15-18%
3. 10%
4. 74%

Subtopic:  Fermentation |
 94%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

At which of the following alcohol concentrations do yeasts poison themselves to death during fermentation?
1. 5-7% of ethanol
2. 2-5% of methanol
3. Over 15% of methanol
4. About 13% of ethanol
Subtopic:  Fermentation |
 88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

How many times oxidative decarboxylation takes place during the complete oxidation of one molecule of pyruvate in aerobic respiration?
1. 1
2. 2
3. 3
4. 4
Subtopic:  Kreb's Cycle |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

How many ATPs are produced by substrate-level phosphorylation in aerobic and anaerobic respiration, respectively, if one molecule of glucose is used?
1. 6, 4
2. 4, 6
3. 4, 4
4. 6, 6
Subtopic:  Glycolysis | Aerobic Respiration |
 63%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

How many 5C compounds are formed during Kreb's cycle, if three pyruvate molecules enter into mitochondria?
1. 5
2. 10
3. 6
4. 3
Subtopic:  Kreb's Cycle |
 74%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

If the inner mitochondrial membrane is denatured by a poison, which of the following processes will not be affected?
1. Lactic acid fermentation
2. Electron transport system
3. Kreb's cycle
4. Oxidative decarboxylation of pyruvate
Subtopic:  ETS |
 62%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

In case of severe copper deficiency in plants, which of the following complexes of ETS will not be formed?
1. Complex I
2. Complex II
3. Complex III
4. Complex IV
Subtopic:  ETS |
 77%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

The proton gradient across the mitochondrial membrane is a result of
1. Energy of oxidation-reduction
2. Chemiosmosis
3. Flow of H+ via F0 particle
4. Production of GTP in the mitochondrial matrix
Subtopic:  Oxidative Phosphorylation |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

If hemoglobin and palmitic acid are catabolized for aerobic respiration they can enter the respiratory pathway at which of the following stages?
1. Glycolysis
2. Krebs cycle
3. Oxidative phosphorylation
4. ETS
Subtopic:  Amphibolic Nature of Respiration |
 66%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

In which of the following cases, RQ will be infinite?
1. Protein undergoing aerobic respiration
2. Carbohydrates undergoing anaerobic respiration
3. Fats undergoing cellular respiration through oxidation decarboxylation
4. Organic acids undergoing cellular respiration by complete oxidation

 
Subtopic:  Respiratory Quotient |
 62%
Please attempt this question first.
Hints