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Q. No.The first step of decarboxylation in cellular respiration is
1.
Conversion of PGAL to DHAP
2.
Conversion of PGAL to PGA
3.
Conversion of Pyruvate to Acetyl CoA
4.
Conversion of BPGA to PGA
| 1. | Conversion of PGAL to DHAP |
| 2. | Conversion of PGAL to PGA |
| 3. | Conversion of Pyruvate to Acetyl CoA |
| 4. | Conversion of BPGA to PGA |
Subtopic: Aerobic Respiration |
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How many molecule of NADH are produced during oxidation of one molecule of Glucose to Acetyl CoA?
| 1. | 2NADH | 2. | 4NADH |
| 3. | 3NADH | 4. | 12 NADH |
Subtopic: Aerobic Respiration |
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The substrate which enters in Krebs’ cycle during oxidation of Glucose is
| 1. | Pyruvate | 2. | Acetyl CoA |
| 3. | Oxaloacetate | 4. | Succinate |
Subtopic: Aerobic Respiration |
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Who elucidated Krebs’ cycle for the very first time?
| 1. | Frederick Kreb | 2. | Hans Kreb |
| 3. | Edward Kreb | 4. | Tilman Kreb |
Subtopic: Aerobic Respiration |
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The order of electron transport is
| 1. | Complex l- Complex III- Complex IV- Complex V |
| 2. | Complex lI- Complex III- Complex IV- Complex V |
| 3. | Complex l- Complex III- Complex IV |
| 4. | Complex l- Complex II- Complex IV- Complex V |
Subtopic: ETS:1 | ETS |
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Which of the following complex has got one Domain present in matrix and other domain in the inner membrane?
| 1. | Complex I | 2. | Complex II |
| 3. | Complex III | 4. | Complex V |
Subtopic: ETS:2 | ETS:1 | ETS |
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Which of the following is not the assumption considered to finalize the balance sheet of respiration?
| 1. | There is sequential, orderly pathway functioning with one substrate forming the next and with glycolysis following TCA and Then ETS pathway |
| 2. | The NADH synthesized in Glucolysis is transferred into the mitochondria and undergoes Oxidative Phosphorylation |
| 3. | No anabolism from respiratory intermediates. |
| 4. | Glucose, Proteins and Fats are being respired altogether. |
Subtopic: Fermentation |
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During Aerobic respiration, one molecule of Glucose gives
| 1. | A net gain of 38 ATPs |
| 2. | Production of 38 ATPs |
| 3. | Production of 32 ATPs |
| 4. | Production of 36 ATPs |
Subtopic: Aerobic Respiration |
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Fermentation-
Which of the following is true?
| 1. | Only partial breakdown of glucose |
| 2. | Net gain of only two molecules of ATP for each molecule of Glucose |
| 3. | NADH is oxidized to NAD+ rather slowly in fermentation |
| 4. | All of these |
Subtopic: Fermentation |
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Which of the following statements is incorrect?
| 1. | Glucose is the favoured substrate for respiration |
| 2. | All carbohydrates are usually first converted into glucose before they are used for respiration |
| 3. | Other respiratory substrates are also respired but they do not enter the respiratory pathway at very first step |
| 4. | Fats directly enter the respiratory pathway |
Subtopic: Amphibolic Nature of Respiration |
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