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  • 1(current)
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Q. No.

Which of the following exhibits the highest rate of respiration?

1. Growing shoot apex 2. Germinating seed
3. Root tip 4. Leaf bud
Subtopic:  Introduction | Aerobic Respiration |
 63%
Level 2: 60%+
Hints
Cellular respiration includes:
I: Transport of gases from the respiratory surface to the cells
II: Breakdown of food material within the cell to release energy
III: Trapping of energy released during the breakdown of food material within the cell for synthesis of ATP
 
1. Only I and II 2. Only I and III
3. Only II and III 4. I, II and III
Subtopic:  Aerobic Respiration |
Level 3: 35%-60%
Hints

The products of fermentation do not include:

1. CO2 2. O2
3. ethanol 4. lactate
Subtopic:  Fermentation | Aerobic Respiration |
 89%
Level 1: 80%+
Hints
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Pyruvic acid, the key product of glycolysis can have many metabolic fates. Under aerobic condition, it forms

1. Lactic acid 2. CO2 + H2O
3. Acetyl CoA + CO2 4. Ethanol + CO2
Subtopic:  Aerobic Respiration |
 60%
Level 2: 60%+
Hints

Oxidative decarboxylation of pyruvate produces:

1. CO2 2. Citrate
3. Acetyl-CoA 4. G3P
Subtopic:  Aerobic Respiration | Kreb's Cycle |
 82%
Level 1: 80%+
Hints
During aerobic respiration, the complete oxidation of pyruvate by the stepwise removal of all the hydrogen atoms, leaving three molecules of carbon dioxide, takes place in the:
1. Cytosol
2. Mitochondrial matrix
3. Mitochondrial inter-membrane space
4. Inner mitochondrial membrane
Subtopic:  Aerobic Respiration |
 76%
Level 2: 60%+
Hints
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After the two molecules of pyruvate, produced at the end of glycolysis from one molecule of glucose, enter the mitochondrial matrix and till the Krebs cycle is complete, which of the following will not be a correct number of the corresponding molecule produced?
1. Eight molecules of NADH + H+
2. Two molecules of FADH2
3. Two molecules of ATP
4. Four molecules of carbon dioxide
Subtopic:  Aerobic Respiration |
 58%
Level 3: 35%-60%
Hints

According to NCERT textbook, what is the number of ATP molecules that can be regarded as a net gain during aerobic respiration of one molecule of glucose?

1. 2 2. 30
3. 36 4. 38
Subtopic:  Aerobic Respiration | ETS:2 | ETS:1 | ETS |
 76%
Level 2: 60%+
Hints
During aerobic respiration of one molecule of glucose, there can be a net gain of:
1. 30 ATP molecules 2. 36 ATP molecules
3. 38 ATP molecules 4. 40 ATP molecules
Subtopic:  Aerobic Respiration |
 88%
Level 1: 80%+
Hints
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If fatty acids were to enter the respiratory pathway, they must be converted to a molecule with:

1. Two carbons 2. Three carbons
3. Five carbons 4. Six carbons
Subtopic:  Aerobic Respiration | Respiratory Quotient | ETS:2 | ETS:1 | ETS |
 62%
Level 2: 60%+
Hints
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