MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Drug Biotechnology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the end product of hydrolytic dehalogenation of DDT? |
| A. | Dichloro diphenyl ethylene |
| B. | 1- chloro diphenyl dichloroethylene |
| C. | Trichloro triphenyl trichloroethylene |
| D. | Dichloro diphenyl dichloroethylene |
| Answer» E. | |
| 2. |
What is the end product of hydrolysis of Lidocaine? |
| A. | 2, 6-Xylidine, N, N-Dimethylglycine |
| B. | 2, 5- Xylidine, Dimethylglycine |
| C. | Xylidine, glycine |
| D. | 1, 6-Xylidine |
| Answer» B. 2, 5- Xylidine, Dimethylglycine | |
| 3. |
Which enzymes catalyses the hydrolysis of amides? |
| A. | Esterase |
| B. | Amydases |
| C. | Amidases |
| D. | Aminodases |
| Answer» D. Aminodases | |
| 4. |
Esters on hydrolysis yields alcohol and carboxylic acid. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Which of the following is not a common N containing functional groups which undergo reduction reactions? |
| A. | Nitro compounds |
| B. | Azo compounds |
| C. | N-oxide compounds |
| D. | Nitrite compounds |
| Answer» E. | |
| 6. |
What provides the atom of oxygen for the making of water? |
| A. | From the cytochrome 450 |
| B. | From the environment |
| C. | From the activated oxygen P-450 substrate complex |
| D. | From cytochrome reductase |
| Answer» D. From cytochrome reductase | |
| 7. |
Which one is the rate-limiting step in the oxidation of xenobiotics? |
| A. | Binding of the substrate to Fe<sup>3+</sup> |
| B. | Electron transfer from NADPH to the above complex |
| C. | The enzyme-substrate complex combines with a molecule of oxygen forming a ternary complex |
| D. | Ternary complex gains an electron from the NADPH |
| Answer» C. The enzyme-substrate complex combines with a molecule of oxygen forming a ternary complex | |