 
			 
			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. | |