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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. | |