61. Which of the following is a drug used to treat tuberculosis?
- A. Isoniazid
- B. Aspirin
- C. Ibuprofen
- D. Paracetamol
Answer: A. Isoniazid
Explanation:
Isoniazid is an antibiotic used specifically to treat and prevent tuberculosis (TB). Aspirin, ibuprofen, and paracetamol are used for pain and inflammation but are not effective against tuberculosis.
62. Which of the following food additives is used as a stabilizer in ice creams?
- A. Gelatin
- B. Sodium benzoate
- C. Aspartame
- D. Fructose
Answer: A. Gelatin
Explanation:
Gelatin is used as a stabilizer and thickening agent in ice creams to maintain their texture. Sodium benzoate is a preservative, aspartame is a sweetener, and fructose is a sugar.
63. Which of the following detergents is a non-ionic detergent?
- A. Polyethylene glycol
- B. Sodium dodecyl sulfate
- C. Alkylbenzene sulfonate
- D. Sodium lauryl sulfate
Answer: A. Polyethylene glycol
Explanation:
Polyethylene glycol (PEG) is a non-ionic detergent, meaning it does not carry a charge and is used in cosmetics and pharmaceuticals. Sodium dodecyl sulfate, alkylbenzene sulfonate, and sodium lauryl sulfate are ionic detergents.
64. Which of the following drugs is used to relieve nasal congestion?
- A. Pseudoephedrine
- B. Paracetamol
- C. Aspirin
- D. Ibuprofen
Answer: A. Pseudoephedrine
Explanation:
Pseudoephedrine is a decongestant used to relieve nasal congestion caused by colds or allergies. Paracetamol, aspirin, and ibuprofen are used for pain and fever but do not specifically treat nasal congestion.
65. Which of the following is used as a bleaching agent in laundry detergents?
- A. Sodium perborate
- B. Sodium chloride
- C. Glycerol
- D. Sorbitol
Answer: A. Sodium perborate
Explanation:
Sodium perborate is commonly used as a bleaching agent in laundry detergents. It releases oxygen that helps remove stains. Sodium chloride is salt, glycerol is a moisturizer, and sorbitol is a sweetener.
66. Which of the following drugs is an opioid analgesic?
- A. Codeine
- B. Ibuprofen
- C. Paracetamol
- D. Aspirin
Answer: A. Codeine
Explanation:
Codeine is an opioid analgesic used to relieve mild to moderate pain and as a cough suppressant. Ibuprofen, paracetamol, and aspirin are non-opioid analgesics.
67. Which of the following is a food additive used as a preservative in pickles?
- A. Sodium benzoate
- B. Gelatin
- C. Aspartame
- D. Glucose
Answer: A. Sodium benzoate
Explanation:
Sodium benzoate is used as a preservative in acidic foods like pickles to prevent microbial growth. Gelatin is used as a stabilizer, aspartame is a sweetener, and glucose is a sugar.
68. Which of the following drugs is a bronchodilator used in asthma treatment?
- A. Salbutamol
- B. Diazepam
- C. Ciprofloxacin
- D. Aspirin
Answer: A. Salbutamol
Explanation:
Salbutamol is a bronchodilator used to treat asthma by relaxing the muscles in the airways and increasing airflow to the lungs. Diazepam is used for anxiety, ciprofloxacin is an antibiotic, and aspirin is a pain reliever.
69. Which of the following detergents is cationic in nature?
- A. Cetyltrimethylammonium bromide
- B. Sodium lauryl sulfate
- C. Alkylbenzene sulfonate
- D. Polyethylene glycol
Answer: A. Cetyltrimethylammonium bromide
Explanation:
Cetyltrimethylammonium bromide is a cationic detergent, meaning it carries a positive charge. Sodium lauryl sulfate and alkylbenzene sulfonate are anionic detergents, while polyethylene glycol is non-ionic.
70. Which of the following is a non-caloric artificial sweetener?
- A. Saccharin
- B. Glucose
- C. Sucrose
- D. Fructose
Answer: A. Saccharin
Explanation:
Saccharin is a non-caloric artificial sweetener used in low-calorie foods and beverages. Glucose, sucrose, and fructose are naturally occurring sugars with caloric value.
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