MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Cyanobacteria does not use which of the following for both oxidative and photophosphorylation? |
| A. | Cytochrome c<sub>6</sub> |
| B. | Cytochrome b6f |
| C. | Plastoquinone |
| D. | Plastocyanin |
| Answer» E. | |
| 2. |
A water-soluble protein that carries one electron present in the chloroplast is ____________ |
| A. | PQ<sub>B</sub> |
| B. | Q |
| C. | Cytochrome c |
| D. | Plastocyanin |
| Answer» E. | |
| 3. |
A water-soluble protein that carries one electron present in mitochondria is ____________ |
| A. | PQ<sub>B</sub> |
| B. | Q |
| C. | Cytochrome c |
| D. | Plastocyanin |
| Answer» D. Plastocyanin | |
| 4. |
A mobile, lipid soluble carrier of two electrons present in mitochondria is ____________ |
| A. | PQ<sub>B</sub> |
| B. | Q |
| C. | Cytochrome c |
| D. | Plastocyanin |
| Answer» C. Cytochrome c | |
| 5. |
A mobile, lipid soluble carrier of two electrons present in chloroplasts is ____________ |
| A. | PQ<sub>B</sub> |
| B. | Q |
| C. | Cytochrome c |
| D. | Plastocyanin |
| Answer» B. Q | |
| 6. |
Plastoquinol formed in PSII is oxidized by ____________ |
| A. | Cytochrome b<sub>6</sub>f |
| B. | Cytochrome c |
| C. | Cytochrome f |
| D. | Cytochrome h |
| Answer» B. Cytochrome c | |
| 7. |
Photosystem II is a ____________ |
| A. | Pheophytin-quinone type |
| B. | Ferredoxin type |
| C. | Plastocyanin type |
| D. | Plastocyanin-ferredoxin type |
| Answer» B. Ferredoxin type | |
| 8. |
A soluble Cu-containing electron transfer protein is ____________ |
| A. | Pheophytin |
| B. | Cytochrome c |
| C. | Plastocyanin |
| D. | Ferredoxin |
| Answer» D. Ferredoxin | |
| 9. |
A chlorophyll-like accessory pigment lacking Mg+2 is ____________ |
| A. | Pheophytin |
| B. | Cytochrome c |
| C. | Plastocyanin |
| D. | Ferredoxin |
| Answer» B. Cytochrome c | |