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Q. No.Identify the incorrectly matched pair:
Component of ETC
Name
1.
Complex I
NADH dehydrogenase
2.
Complex II
Succinate dehydrogenase
3.
Complex III
Cytochrome b6f complex
4.
Complex IV
Cytochrome c oxidase
Subtopic: ETS |
78%
Level 2: 60%+
Hints
The correct sequence of flow of electrons downhill in the mitochondrial electron transport chain would be:
| 1. | ubiquinone, cytochromes, FMN, Fe-S |
| 2. | cytochromes, FMN, ubiquinone, Fe-S |
| 3. | Fe-S, FMN, cytochromes, ubiquinone |
| 4. | FMN, Fe-S, ubiquinone, cytochromes |
Subtopic: ETS |
70%
Level 2: 60%+
Hints
A five carbon amino acid can be formed by which of the following intermediates of Krebs cycle?
| 1. | succinate | 2. | malate |
| 3. | citrate | 4. | α-ketoglutarate |
Subtopic: Kreb's Cycle |
79%
Level 2: 60%+
Hints
Krebs cycle is also called as:
| 1. | glycolysis | 2. | fermentation |
| 3. | Calvin cycle | 4. | the citric acid cycle |
Subtopic: Kreb's Cycle |
92%
Level 1: 80%+
Hints
is produced in
| 1. | glycolysis | 2. | the oxidation of pyruvate |
| 3. | the Krebs cycle | 4. | the electron transport chain |
Subtopic: Kreb's Cycle |
91%
Level 1: 80%+
Hints
In aerobic respiration, oxygen acts as:
| I: | Terminal electron acceptor |
| II: | Terminal proton acceptor |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Subtopic: ETS |
62%
Level 2: 60%+
Hints
Consider the steps of glycolysis given in the diagram:
Regarding reaction 3 in the diagram:
| I: | The reaction is a key regulatory point and is also the rate-limiting step. |
| II: | The reaction is freely reversible. |
1. Only I is true
2. Only II is true
3. Both I and II are true
4. Both I and II are false
Subtopic: Glycolysis |
58%
Level 3: 35%-60%
Hints
What process in aerobic respiration generates maximum ATP?
| 1. | substrate-level phosphorylation |
| 2. | chemiosmosis |
| 3. | Krebs cycle |
| 4. | Pyruvate decarboxylation |
Subtopic: Oxidative Phosphorylation |
Level 3: 35%-60%
Hints
The stage of cellular respiration that directly involves oxygen is:
| 1. | glycolysis |
| 2. | at the end of ETC |
| 3. | Krebs cycle |
| 4. | the phosphorylation of ADP to form ATP |
Subtopic: ETS |
81%
Level 1: 80%+
Hints
Subtopic: Aerobic Respiration | Kreb's Cycle |
82%
Level 1: 80%+
Hints
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