MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Microbiology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Keq is greater than 1.0 depending on which of the following conditions? |
| A. | standard free energy change is negative |
| B. | standard free energy change is positive |
| C. | chemical reaction proceeds in reverse direction |
| D. | products are not formed |
| Answer» B. standard free energy change is positive | |
| 2. |
In aerobic respiration the terminal electron acceptor is oxygen, nitrate, sulfate, etc. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
How many ATP molecules are formed for per molecule of FADH2 reoxidized? |
| A. | 3 |
| B. | 1 |
| C. | 2 |
| D. | 4 |
| Answer» D. 4 | |
| 4. |
Keq is greater than 1.0 depending on which of the following conditions? |
| A. | standard free energy change is negative |
| B. | standard free energy change is positive |
| C. | chemical reaction proceeds in reverse direction |
| D. | products are not formed |
| Answer» B. standard free energy change is positive | |
| 5. |
A reducing agent will accept electrons and an oxidizing agent will donate electrons. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
In photosynthesis by green plants, algae, cyanobacteria which of the following acts as terminal electron acceptor? |
| A. | Water |
| B. | Oxygen |
| C. | NADP+ |
| D. | FAD+ |
| Answer» D. FAD+ | |
| 7. |
In aerobic respiration the terminal electron acceptor is oxygen,nitrate,sulphate, etc. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
How many ATP molecules are formed for per molecule of FADH2 reoxidized? |
| A. | 3 |
| B. | 1 |
| C. | 2 |
| D. | 4 |
| Answer» D. 4 | |
| 9. |
Among the following which can directly react with oxygen? |
| A. | cytochrome c |
| B. | cytochrome c<sub>1</sub> |
| C. | cytochrome a |
| D. | cytochrome a<sub>3</sub> |
| Answer» E. | |
| 10. |
The prosthetic group of a cytochrome contains how many iron atoms? |
| A. | one |
| B. | two |
| C. | three |
| D. | four |
| Answer» B. two | |
| 11. |
The respiratory chain of bacteria is associated with the _____________ |
| A. | miitochondrial membrane |
| B. | cytoplasmic membrane |
| C. | cell wall |
| D. | cytoplasm |
| Answer» C. cell wall | |