Q. No.The number of substrate level of phosphorylations in one turn of citric acid cycle is:
1.
One
2.
Two
3.
Three
4.
Four
Pyruvate dehydrogenase activity during aerobic respiration requires:
| 1. | Calcium | 2. | Iron |
| 3. | Cobalt | 4. | Magnesium |
Where is the respiratory electron transport system (ETS) located in plants?
1. Mitochondrial matrix
2. Outer mitochondrial membrane
3. Inner mitochondrial membrane
4. Intermembrane space
In mitochondria, protons accumulate in the:
1. Matrix
2. Outer membrane
3. Inner membrane
4. Intermembrane space
During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from ADP:
| 1. | Glycolysis |
| 2. | Krebs cycle |
| 3. | Electron transport chain |
| 4. | Conversion of pyruvic acid to acetyl CoA |
In glycolysis, during oxidation, electrons are removed by:
1. Glyceraldehyde-3-phosphate
2. NAD+
3. Molecular oxygen
4. ATP
Which of the following yield maximum energy?
1. By glycolysis in a sprinter
2. Aerobic respiration in germinating seeds
3. Fermentation by yeast
4. Anaerobic respiration
How many ATP molecules are produced by the Aerobic oxidation of one molecule of glucose:
1. 2
2. 4
3. 38
4. 34
Glycolysis is:
| 1. | Oxidation of glucose to glutamate |
| 2. | Conversion of pyruvate to citrate |
| 3. | Oxidation of glucose to pyruvate |
| 4. | Conversion of glucose to haem |
In which one of the following do the two names refer to one and the same thing:
| 1. | Kreb's cycle and Calvin cycle |
| 2. | Tricarboxylic acid cycle and citric acid cycle |
| 3. | Citric acid cycle and Calvin cycle |
| 4. | Tricarboxylic acid cycle and urea cycle |
© 2026 GoodEd Technologies Pvt. Ltd.