MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Amides are transported to other parts of the plant through ________ |
| A. | phloem parenchyma |
| B. | phloem companion cells |
| C. | xylem vessels |
| D. | phloem fibre |
| Answer» D. phloem fibre | |
| 2. |
Which enzyme catalyses the process of transamination? |
| A. | Lipase |
| B. | Nitrogenase |
| C. | Transaminase |
| D. | Glutamate dehydrogenase |
| Answer» D. Glutamate dehydrogenase | |
| 3. |
Statement A: In reductive amination, NH4+ reacts with -ketoglutaric acid to form asparagine. Statement B: The process takes place in presence of glutamate dehydrogenase. |
| A. | Both the statements are true |
| B. | Both the statements are false |
| C. | Statement A is true but Statement B is false |
| D. | Statement B is true but Statement A is false |
| Answer» E. | |
| 4. |
Leg-haemoglobin protects nitrogenase enzyme from anaerobic conditions. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
Statement A: Nodule that arises from root hair cells contains enzyme nitrogenase. Statement B: The nodule gets it pink color from nitrogenase. |
| A. | Both the statements are true |
| B. | Both the statements are false |
| C. | Statement A is true but Statement B is false |
| D. | Statement B is true but Statement A is false |
| Answer» D. Statement B is true but Statement A is false | |
| 6. |
Statement A: At physiological pH, NH3 is protonated to form NH4+ ion. Statement B: The NH4+ ion is further converted to another form in order to be accumulated. |
| A. | Both the statements are true |
| B. | Both the statements are false |
| C. | Statement A is true but Statement B is false |
| D. | Statement B is true but Statement A is false |
| Answer» B. Both the statements are false | |
| 7. |
Which microbe is capable of fixing nitrogen in non-leguminous plants? |
| A. | Bacillus |
| B. | Beijernickia |
| C. | Anabaena |
| D. | Frankia |
| Answer» E. | |
| 8. |
Statement A: Nitrogenase is a Cu-Mn protein. Statement B: It catalyses the conversion of atmospheric nitrogen to the form absorbed directly by plants. |
| A. | Both the statements are true |
| B. | Both the statements are false |
| C. | Statement A is true but Statement B is false |
| D. | Statement B is true but Statement A is false |
| Answer» C. Statement A is true but Statement B is false | |
| 9. |
The bacteria have to modify into rod- shaped bacterium in order to initiate division of inner cortical and pericycle cells. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
N2 + A e + A H+ + B ATP C NH3+ H2 + D ADP + D PiIn the equation given above, C is present in how much quantity? |
| A. | 8 |
| B. | 16 |
| C. | 2 |
| D. | 1 |
| Answer» D. 1 | |