Q. No.| 1. | Glycolysis – Krebs cycle – Oxidative phosphorylation |
| 2. | Krebs cycle – Glycolysis – Oxidative phosphorylation |
| 3. | Glycolysis – Oxidative phosphorylation – Krebs cycle |
| 4. | Oxidative phosphorylation – Glycolysis – Krebs cycle |
| 1. | Conversion of pyruvate to lactic acid |
| 2. | Conversion of acetyl CoA to oxaloacetate |
| 3. | Conversion of glucose to pyruvate |
| 4. | Conversion of pyruvate to acetyl CoA |
| 1. | Outer membrane | 2. | Inner membrane |
| 3. | Matrix | 4. | Intermembrane space |
| 1. | Oxaloacetate to form citrate |
| 2. | α-ketoglutarate to form malate |
| 3. | Succinyl CoA to form fumarate |
| 4. | Pyruvate to form ethanol |
1. Oxidative phosphorylation
2. Photophosphorylation
3. Substrate-level phosphorylation
4. Dephosphorylation
The complete aerobic oxidation of one pyruvate molecule in mitochondria releases __________ molecules of CO₂.
1. One
2. Two
3. Three
4. Four
The tricarboxylic acid cycle (TCA cycle) is also known as the __________ cycle.
1. Krebs
2. Calvin
3. Citric acid
4. Glycolytic
In one turn of the Krebs cycle, __________ molecules of NADH are produced, considering all oxidation reactions.
1. Two
2. Three
3. Four
4. One
A product of the Krebs cycle that is directly linked to ATP synthesis is one molecule of __________.
1. GTP
2. FADH₂
3. NADH
4. CO₂
The primary role of the Krebs cycle in ATP production is to generate __________.
1. Reducing equivalents (NADH, FADH₂) for the ETS
2. ATP, directly through substrate-level phosphorylation
3. Oxygen for oxidative phosphorylation
4. NADH and CO₂ for glycolysis
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