Q. No.Ubiquinone receives reducing equivalents via:
| I. Complex I | II. Complex II | III. Complex III |
| 1. | Only I | 2. | Only I and II |
| 3. | Only I and III | 4. | I, II and III |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCytochrome c is found:
| 1. | attached to outer surface of the inner mitochondrial membrane |
| 2. | attached to inner surface of the inner mitochondrial membrane |
| 3. | in the inter membrane space |
| 4. | in the mitochondrial matrix |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe number of ATP molecules synthesized from oxidation of one molecule of NADH and one molecule of are respectively:
| 1. | 3 and 2 | 2. | 2 and 3 |
| 3. | 1 and 1 | 4. | 2 and 1 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
| 1. | (1) is NADH; 4 is FAD; 6 is fumarate; 8 is oxygen and 10 is ATP |
| 2. | (2) is NAD+ ; 4 is FADH2; 6 is succinate; 8 is oxygen and 10 is ADP |
| 3. | (1) is NADH; 4 is Fumarate; 6 is FAD; 8 is water and 10 is ATP |
| 4. | (2) is NAD+; 3 is succinate; 6 is FAD; 8 is oxygen and 10 is ADP |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe components of the mitochondrial electron transport chain are located:
1. in mitochondrial matrix
2. in outer mitochondrial membrane
3. in inner mitochondrial membrane
4. in intermembrane space
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe 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
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify 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 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | Hydrogen sulphide | 2. | Water |
| 3. | Oxygen | 4. | Pyruvic acid |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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