10TH/Bio/9/MCQs

Pharmacology


Easy Level (30%)

1. What is pharmacology?

   - (A) Study of plants  

   - (B) Study of human anatomy  

   - (C) Study of drugs and their effects on the body  

   - (D) Study of animals  


2. Pharmaceutical drugs are mainly used for:

   - (A) Recreation  

   - (B) Treatment and prevention of diseases  

   - (C) Cooking  

   - (D) Gardening  


3. Which of these is a pharmaceutical drug?

   - (A) Aspirin  

   - (B) Salt  

   - (C) Sugar  

   - (D) Water  


4. Drug efficacy is:

   - (A) The quality of packaging  

   - (B) The ability to produce a desired therapeutic effect  

   - (C) The taste of a drug  

   - (D) The color of a drug  


5. Drugs derived from plants are known as:

   - (A) Synthetic drugs  

   - (B) Herbal drugs  

   - (C) Antibiotics  

   - (D) Antiseptics  


6. Analgesics are drugs used to:

   - (A) Relieve pain  

   - (B) Cure cancer  

   - (C) Treat infections  

   - (D) Aid digestion  


7. Antibiotics are effective against:

   - (A) Viruses  

   - (B) Bacteria  

   - (C) Fungi  

   - (D) All of the above  


8. Vaccines are primarily used to:

   - (A) Cure cancer  

   - (B) Prevent infections  

   - (C) Increase energy  

   - (D) Enhance memory  


9. An example of an antibiotic is:

   - (A) Paracetamol  

   - (B) Amoxicillin  

   - (C) Insulin  

   - (D) Caffeine  


10. The main purpose of vaccines is to:

    - (A) Increase disease  

    - (B) Prevent infections  

    - (C) Enhance body weight  

    - (D) Improve eyesight  


Moderate Level (40%)

11. Which branch of pharmacology focuses on the effects of drugs on the body?

    - (A) Pharmacognosy  

    - (B) Pharmacodynamics  

    - (C) Pharmacokinetics  

    - (D) Pharmacy  


12. Synthetic drugs are:

    - (A) Only derived from plants  

    - (B) Produced entirely in laboratories  

    - (C) Created only from animal sources  

    - (D) Always found in nature  


13. Which of the following is a sedative?

    - (A) Caffeine  

    - (B) Morphine  

    - (C) Penicillin  

    - (D) Codeine  


14. Broad-spectrum antibiotics are used to:

    - (A) Kill a specific type of bacteria  

    - (B) Kill multiple types of bacteria  

    - (C) Treat only fungal infections  

    - (D) Treat viral infections  


15. What is drug tolerance?

    - (A) Ability to avoid drugs  

    - (B) Decreased response to a drug after prolonged use  

    - (C) Increased sensitivity to a drug  

    - (D) Allergy to a drug  


16. How are antibiotics classified?

    - (A) Based on their color  

    - (B) Based on their antibacterial action  

    - (C) Based on their packaging  

    - (D) Based on taste  


17. Which of these drugs is commonly used as an analgesic?

    - (A) Aspirin  

    - (B) Caffeine  

    - (C) Insulin  

    - (D) Nicotine  


18. A drug with high potency:

    - (A) Requires a large dose to be effective  

    - (B) Requires a small dose to be effective  

    - (C) Is always safe  

    - (D) Is ineffective  


19. How do bactericidal antibiotics work?

    - (A) By killing bacteria  

    - (B) By only preventing bacterial growth  

    - (C) By enhancing bacteria growth  

    - (D) By changing bacteria color  


20. Which of these vaccines is a live vaccine?

    - (A) Polio vaccine  

    - (B) Hepatitis B vaccine  

    - (C) Influenza vaccine  

    - (D) Tetanus vaccine  


21. The term "drug formulation" refers to:

    - (A) How drugs are grown  

    - (B) The process of creating drug combinations  

    - (C) Methods used to prepare drugs for patient use  

    - (D) How drugs are priced  


22. Drug dependence can be defined as:

    - (A) Regular use of a drug with no effects  

    - (B) A physical or psychological need for a drug  

    - (C) Occasional drug use  

    - (D) Immunity to a drug  


23. Cephalosporins are primarily used to treat:

    - (A) Viral infections  

    - (B) Bacterial infections  

    - (C) Fungal infections  

    - (D) Parasitic infections  


24. Tetracyclines are known for their use in treating:

    - (A) Skin infections  

    - (B) Heart diseases  

    - (C) Diabetes  

    - (D) Neurological disorders  


25. Which of the following is a mechanism of action of sulfa drugs?

    - (A) Inhibit bacterial cell wall synthesis  

    - (B) Compete with bacterial enzymes  

    - (C) Increase bacterial growth  

    - (D) Decrease blood pressure  


26. What does “antibiotic resistance” mean?

    - (A) Viruses resist vaccines  

    - (B) Bacteria can survive even after exposure to antibiotics  

    - (C) Antibiotics work more effectively  

    - (D) Antibiotics prevent all infections  


27. Superbugs refer to:

    - (A) Any large bacteria  

    - (B) Bacteria that can resist multiple antibiotics  

    - (C) Only viral infections  

    - (D) Strong antibiotics  


28. Live vaccines contain:

    - (A) Dead viruses  

    - (B) Active, weakened forms of the pathogen  

    - (C) Antibiotics  

    - (D) Fungi  


29. Which type of antibiotic only stops bacterial growth?

    - (A) Bactericidal  

    - (B) Bacteriostatic  

    - (C) Antiseptic  

    - (D) Analgesic  


30. Drug addiction can be defined as:

    - (A) The therapeutic use of drugs  

    - (B) The inability to stop using a drug despite harmful effects  

    - (C) The occasional use of drugs  

    - (D) Temporary effects of drugs  


Tough Level (30%)

31. Which process involves the use of microorganisms to produce medicinal drugs?

    - (A) Biotechnology  

    - (B) Photosynthesis  

    - (C) Antibiotic resistance  

    - (D) Pharmacodynamics  


32. How does a bacteriostatic antibiotic inhibit bacteria?

    - (A) Kills all bacteria  

    - (B) Prevents bacteria from reproducing  

    - (C) Enhances bacterial growth  

    - (D) Creates new bacteria  


33. An antibiotic effective against both Gram-positive and Gram-negative bacteria is called:

    - (A) Narrow-spectrum antibiotic  

    - (B) Broad-spectrum antibiotic  

    - (C) Specific antibiotic  

    - (D) Restricted antibiotic  


34. The term “pharmacognosy” refers to:

    - (A) The study of drug interactions  

    - (B) The study of natural drug sources  

    - (C) The study of synthetic drugs  

    - (D) Drug packaging  


35. Which drug is derived from animal sources?

    - (A) Insulin  

    - (B) Aspirin  

    - (C) Penicillin  

    - (D) Paracetamol  


36. What is the mechanism of action of tetracyclines?

    - (A) Inhibits cell wall synthesis  

    - (B) Inhibits protein synthesis  

    - (C) Stimulates bacterial growth  

    - (D) Increases cell membrane permeability  


37. How do mRNA vaccines work?

    - (A) Inactivate the virus in the body  

    - (B) Teach cells to produce a protein to stimulate immunity  

    - (C) Provide antibodies directly  

    - (D) Only work against bacteria  


38. Why are narcotics strictly regulated?

    - (A) They are expensive  

    - (B) They have addictive properties  

    - (C) They cure infections  

    - (D) They are difficult to store  


39. Which condition is commonly treated with sulfa drugs?

    - (A) Tuberculosis  

    - (B) Urinary tract infections  

    - (C) Viral infections  

    - (D) Heart disease  


40. Which of these is a primary reason for the spread of antibiotic resistance?

    - (A) Incomplete antibiotic courses  

    - (B) Frequent vaccine use  

    - (C) High sugar intake  

    - (D) Consuming too much salt  


Answer Key

1. C  2. B  3. A  4. B  5. B  6. A  7.B  8. B  9. B  10. B  

11. B 12. B 13. B 14. B 15. B 16. B 17. A 18. B 19. A 20. A  

21. C 22. B 23. B 24. A 25. B 26. B 27. B 28. B 29. B 30. B  

31. A 32. B 33. B 34. B 35. A 36. B 37. B 38. B 39. B 40. A