21. Which of the following drugs is used as an antidiabetic agent?
- A. Insulin
- B. Penicillin
- C. Diazepam
- D. Aspirin
Answer: A. Insulin
Explanation:
Insulin is used in the treatment of diabetes mellitus by helping regulate blood sugar levels. Penicillin is an antibiotic, Diazepam is used for anxiety, and Aspirin is an analgesic and antipyretic.
22. Which of the following detergents is a synthetic detergent?
- A. Soap
- B. Sodium stearate
- C. Sodium lauryl sulfate
- D. Glycerol
Answer: C. Sodium lauryl sulfate
Explanation:
Sodium lauryl sulfate is a synthetic detergent commonly used in cleaning and personal care products. Soap and sodium stearate are natural soaps, while glycerol is used as a moisturizer and humectant.
23. Which of the following is used as a food colorant?
- A. Sodium benzoate
- B. Aspartame
- C. Tartrazine
- D. Sodium chloride
Answer: C. Tartrazine
Explanation:
Tartrazine is a synthetic food colorant used to impart a yellow color to food products. Sodium benzoate is a preservative, aspartame is a sweetener, and sodium chloride is common salt.
24. Which of the following is a common analgesic drug?
- A. Paracetamol
- B. Streptomycin
- C. Tetracycline
- D. Penicillin
Answer: A. Paracetamol
Explanation:
Paracetamol (also known as acetaminophen) is a widely used analgesic (pain reliever) and antipyretic (fever reducer). Streptomycin, tetracycline, and penicillin are antibiotics.
25. Which of the following is a preservative used in the food industry?
- A. Benzoic acid
- B. Sucrose
- C. Fructose
- D. Glucose
Answer: A. Benzoic acid
Explanation:
Benzoic acid is used as a preservative in food to prevent microbial growth. Sucrose, fructose, and glucose are types of sugars used as sweeteners.
26. Which of the following is an antimicrobial drug used for treating bacterial infections?
- A. Ampicillin
- B. Aspirin
- C. Paracetamol
- D. Diazepam
Answer: A. Ampicillin
Explanation:
Ampicillin is a broad-spectrum antibiotic used to treat bacterial infections. Aspirin and paracetamol are pain relievers, and Diazepam is used for anxiety and sedation.
27. Which of the following detergents is used in the manufacture of shampoos and cleaning products?
- A. Sodium lauryl sulfate
- B. Sodium chloride
- C. Ethylene glycol
- D. Glycerol
Answer: A. Sodium lauryl sulfate
Explanation:
Sodium lauryl sulfate is a foaming agent and surfactant used in many personal care products like shampoos and soaps. Sodium chloride is table salt, ethylene glycol is used as antifreeze, and glycerol is a moisturizer.
28. Which of the following is used to sweeten sugar-free products?
- A. Aspartame
- B. Sodium benzoate
- C. Citric acid
- D. Sodium chloride
Answer: A. Aspartame
Explanation:
Aspartame is an artificial sweetener used in sugar-free and diet products. Sodium benzoate is a preservative, citric acid is a flavoring agent, and sodium chloride is salt.
29. Which of the following drugs is used to treat bacterial infections in humans?
- A. Penicillin
- B. Insulin
- C. Diazepam
- D. Aspirin
Answer: A. Penicillin
Explanation:
Penicillin is a group of antibiotics that treat bacterial infections by inhibiting bacterial cell wall synthesis. Insulin is used for diabetes, Diazepam is for anxiety, and Aspirin is for pain relief.
30. Which of the following is an example of an analgesic drug?
- A. Morphine
- B. Amoxicillin
- C. Ciprofloxacin
- D. Tetracycline
Answer: A. Morphine
Explanation:
Morphine is a potent opioid analgesic used to relieve severe pain. Amoxicillin, Ciprofloxacin, and Tetracycline are antibiotics used to treat bacterial infections.
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