MCQOPTIONS
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MCQOPTIONS
This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Biochemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
ERF1is a _________ |
| A. | Translation terminating factor |
| B. | Positive regulator |
| C. | Translation promoting factor |
| D. | Enzyme inhibitor |
| Answer» B. Positive regulator | |
| 2. |
Negative regulator of ethylene response is _________ |
| A. | LPS |
| B. | CTR1 |
| C. | BAK1 |
| D. | MAPK |
| Answer» C. BAK1 | |
| 3. |
Transcription factor in plants is _________ |
| A. | Serine |
| B. | Threonine |
| C. | WRKY22/29 |
| D. | Leucine |
| Answer» D. Leucine | |
| 4. |
In Arabidopsis flg22 binds to _________ |
| A. | FLS2 |
| B. | LPS |
| C. | BAK1 |
| D. | MAPK |
| Answer» B. LPS | |
| 5. |
Autophosphorylation is done on _________ |
| A. | His residues |
| B. | Ser/Thr residues |
| C. | Cys residues |
| D. | Lys residues |
| Answer» C. Cys residues | |
| 6. |
The peptide trigger for the self-incompatibility response that prevents self-pollination is _________ |
| A. | Salicylic acid |
| B. | Jasmonates |
| C. | Brassinosteroids |
| D. | Plant peptide hormones |
| Answer» D. Plant peptide hormones | |
| 7. |
A factor involved in regulating the fate of stem cells in plant development is _________ |
| A. | Adrenaline |
| B. | Epinephrine |
| C. | Thyroid stimulating hormone |
| D. | CLV1 |
| Answer» E. | |
| 8. |
Bacteria do not have which of the following receptors? |
| A. | Adhesion receptors |
| B. | Nuclear steroid receptors |
| C. | Membrane proteins |
| D. | GPCR |
| Answer» C. Membrane proteins | |
| 9. |
NEGATIVE_REGULATOR_OF_ETHYLENE_RESPONSE?$ |
| A. | LPS |
| B. | CTR1 |
| C. | BAK1 |
| D. | MAPK |
| Answer» C. BAK1 | |
| 10. |
ERF1is a |
| A. | Translation terminating factor |
| B. | Positive regulator |
| C. | Translation promoting factor |
| D. | Enzyme inhibitor |
| Answer» B. Positive regulator | |
| 11. |
Transcription factor in plants i? |
| A. | Serine |
| B. | Threonine |
| C. | WRKY22/29 |
| D. | Leucine |
| Answer» D. Leucine | |
| 12. |
In Arabidopsis flg22 binds to |
| A. | FLS2 |
| B. | LPS |
| C. | BAK1 |
| D. | MAPK |
| Answer» B. LPS | |
| 13. |
Autophosphorylation is done on |
| A. | His residues |
| B. | Ser/Thr residues |
| C. | Cys residues |
| D. | Lys residues |
| Answer» C. Cys residues | |
| 14. |
The peptide trigger for the self-incompatibility response that prevents self-pollination |
| A. | Salicylic acid |
| B. | Jasmonates |
| C. | Brassinosteroids |
| D. | Plant peptide hormones |
| Answer» D. Plant peptide hormones | |
| 15. |
A factor involved in regulating the fate of stem cells in plant development |
| A. | Adrenaline |
| B. | Epinephrine |
| C. | Thyroid stimulating hormone |
| D. | CLV1 |
| Answer» E. | |
| 16. |
Bacteria do not have which of the following receptors |
| A. | Adhesion receptors |
| B. | Nuclear steroid receptors |
| C. | Membrane proteins |
| D. | GPCR |
| Answer» C. Membrane proteins | |
| 17. |
The 2-component system drives bacterial chemotaxis by coupling autophosphoryaltion of which receptor to phosphorylation of respective regulatory protein? |
| A. | His kinase |
| B. | Adenylyl cyclase |
| C. | Guanylyl cyclase |
| D. | None |
| Answer» B. Adenylyl cyclase | |
| 18. |
Which of the following statements about Arabidopsis is not true? |
| A. | In Arabidopsis, CTR-1 Ser/Thr protein kinase is activated by ethylene |
| B. | Activation of MAPK cascade |
| C. | EINI activation |
| D. | Synthesis of ERF1 transcription factor |
| Answer» B. Activation of MAPK cascade | |