MCQOPTIONS
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This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Biotechnology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the function of a flavoprotein, located in the endoplasmic reticulum? |
| A. | Oxidising the substrate |
| B. | Reducing the cytochrome-450 to the ferrous form |
| C. | Facilitate electron transfer from NADPH to cytochrome 450 |
| D. | Facilitate electron transfer from cytochrome 450 to NADPH |
| Answer» C. Facilitate electron transfer from NADPH to cytochrome 450 | |
| 2. |
What is the function of Phosphatidylcholine in multienzyme mixed-function oxidase system, located in the endoplasmic reticulum? |
| A. | Oxidising the substrate |
| B. | Reducing the substrate |
| C. | Facilitate electron transfer from NADPH to cytochrome 450 |
| D. | Facilitate electron transfer from cytochrome 450 to NADPH |
| Answer» D. Facilitate electron transfer from cytochrome 450 to NADPH | |
| 3. |
What are the names of the 3 protein involve in multienzyme mixed-function oxidase system, located in the endoplasmic reticulum? |
| A. | Heme protein, flavoprotein, phosphatidylcholine |
| B. | Heme protein, flavoprotein, retinal protein |
| C. | Heme protein, retinal protein, phosphatidylcholine |
| D. | Retinal protein, flavoprotein, phosphatidylcholine |
| Answer» B. Heme protein, flavoprotein, retinal protein | |
| 4. |
Following are the Phase I reactions except ____________ |
| A. | Oxidative reactions |
| B. | Hydrolytic reactions |
| C. | Reductive reactions |
| D. | Sulphide reactions |
| Answer» E. | |
| 5. |
Phase 1 reactions are also known as a synthetic reaction. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Where are non-microsomal enzymes present? |
| A. | In the Golgi apparatus |
| B. | Inside lysosomes |
| C. | In the cytoplasm in soluble form |
| D. | In oxysomes |
| Answer» D. In oxysomes | |
| 7. |
Microsome are selective to ____________ |
| A. | Water-soluble drugs |
| B. | Lipid soluble drugs |
| C. | Acidic drugs |
| D. | Basic drugs |
| Answer» C. Acidic drugs | |
| 8. |
The enzymes are divided into two categories, these are _______ and ____________ |
| A. | Acidic drug metabolizing and basic drug metabolizing |
| B. | Present in the liver and not present in the liver |
| C. | Microsomal and non-microsomal |
| D. | There is no such division |
| Answer» D. There is no such division | |
| 9. |
Which of the following is the correct decreasing order of drug metabolism? |
| A. | Liver > lungs > kidneys > intestine > placenta > skin > adrenals |
| B. | Liver > lungs > kidneys > intestine > adrenals > placenta > skin |
| C. | Liver > kidneys > lungs > intestine > placenta > adrenals > skin |
| D. | Liver > lungs > intestine > kidneys > placenta > adrenals > skin |
| Answer» B. Liver > lungs > kidneys > intestine > adrenals > placenta > skin | |
| 10. |
What are soft drugs? |
| A. | Drugs given to babies |
| B. | Chemical drugs which are already found in the body |
| C. | Nutrients which kill the gut harmful microbes |
| D. | Anything that is not nutrients and enters the body through different routes |
| Answer» C. Nutrients which kill the gut harmful microbes | |
| 11. |
What is the inactive form of Codeine? |
| A. | Codene |
| B. | Codane |
| C. | Morphine |
| D. | Poppy |
| Answer» D. Poppy | |
| 12. |
What is the active form of salicylic acid? |
| A. | Sialic acid |
| B. | Salic acid |
| C. | Salicylic acid |
| D. | Salicycle acid |
| Answer» D. Salicycle acid | |
| 13. |
The drug biotransformation is a detoxification process. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
What are xenobiotics? |
| A. | Another form of antibiotics |
| B. | A form of nutrient |
| C. | Nutrients which kill the gut harmful microbes |
| D. | Anything that is not nutrients and enters the body through different routes |
| Answer» E. | |
| 15. |
Biotransformation of drugs is defined as the conversion from one physical form to another. |
| A. | True |
| B. | False |
| Answer» C. | |