Chemistry MCQ with Answer Explanation : Drugs, Detergents and Food Additives.

Here below some basic MCQ's about "Drugs, Detergents and food Additives" with answer explanation for exam practice. Let's check one by one which is given below. 1. Which of the following drugs is used to treat hypertension (high blood pressure)? A. Ibuprofen B. Diazepam C. Atenolol D. Paracetamol Answer: C. Atenolol Explanation:Atenolol is a beta-blocker that is used to treat high blood pressure by slowing down the heart rate and reducing the force of the heartbeat, which helps to lower blood pressure. Ibuprofen is an anti-inflammatory drug, Diazepam is an anti-anxiety drug, and Paracetamol is an analgesic and antipyretic. 2. Which of the following is an example of an antiseptic? A. Chloramphenicol B. Phenol C. Dettol D. Penicillin Answer: C. Dettol Explanation:Dettol contains chloroxylenol, which is an antiseptic. Antiseptics are applied to living tissues to prevent or reduce infection. Chloramphenicol and Penicillin are antibiotics, whereas phenol is a disinfectant used on non-living surfaces. 3. Which class of drugs is used as a sedative to treat insomnia? A. Antipyretics B. Antidepressants C. Barbiturates D. Antacids Answer: C. Barbiturates Explanation:Barbiturates are sedative drugs that depress the central nervous system and are used to treat insomnia and anxiety. Antipyretics reduce fever, antidepressants are used to treat depression, and antacids neutralize stomach acid. 4. Which of the following detergents is an example of an anionic detergent? A. Cetyltrimethylammonium chloride B. Sodium lauryl sulfate C. Polyethylene glycol D. Glyceryl stearate Answer: B. Sodium lauryl sulfate Explanation:Anionic detergents contain negatively charged (anionic) functional groups and are effective in removing dirt. Sodium lauryl sulfate is a common anionic detergent. Cetyltrimethylammonium chloride is a cationic detergent, and polyethylene glycol and glyceryl stearate are non-ionic compounds. 5. Which of the following food additives is used as a flavor enhancer? A. Sodium benzoate B. Aspartame C. Monosodium glutamate (MSG) D. Sodium citrate Answer: C. Monosodium glutamate (MSG) Explanation:Monosodium glutamate (MSG) is a flavor enhancer commonly used in processed foods to enhance the taste of savory dishes. Sodium benzoate is a preservative, aspartame is an artificial sweetener, and sodium citrate is used as a preservative and acidity regulator. 6. Which of the following is a common preservative used in soft drinks? A. Sodium benzoate B. Sorbitol C. Sodium chloride D. Ammonium nitrate Answer: A. Sodium benzoate Explanation:Sodium benzoate is widely used in soft drinks to prevent the growth of microbes. Sorbitol is a sugar alcohol used as a sweetener, sodium chloride is common salt, and ammonium nitrate is not a food additive. 7. Which of the following is an antipyretic drug? A. Aspirin B. Morphine C. Diazepam D. Ibuprofen Answer: A. Aspirin Explanation:Aspirin is an antipyretic drug used to reduce fever. It also has analgesic and anti-inflammatory properties. Morphine is a strong opioid analgesic, Diazepam is used for anxiety, and Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID). 8. Which of the following compounds is a sweetening agent? A. Saccharin B. Formaldehyde C. Benzoic acid D. Citric acid Answer: A. Saccharin Explanation:Saccharin is a non-caloric artificial sweetener that is used to sweeten food and beverages. Formaldehyde is a preservative, benzoic acid is an antimicrobial preservative, and citric acid is used as a flavoring and preservative. 9. Which of the following drugs is used for pain relief? A. Lidocaine B. Streptomycin C. Tetracycline D. Ampicillin Answer: A. Lidocaine Explanation:Lidocaine is a local anesthetic used to relieve pain by numbing a specific area of the body. Streptomycin and tetracycline are antibiotics, and ampicillin is a broad-spectrum antibiotic. 10. Which of the following is a cationic detergent? A. Sodium lauryl sulfate B. Cetyltrimethylammonium bromide C. Sodium stearate D. Polyethylene glycol Answer: B. Cetyltrimethylammonium bromide Explanation:Cationic detergents contain positively charged (cationic) groups. Cetyltrimethylammonium bromide is a common example. Sodium lauryl sulfate and sodium stearate are anionic detergents, and polyethylene glycol is non-ionic. NEET & CET Aspirant Get Daily MCQ and update on Telegram : Click Here NEET & CET Aspirant Get Daily MCQ and Update on Whatsapp : Click Here Amazon Loot Deals : Click Here 11. Which of the following drugs is classified as an antacid? A. Cimetidine B. Chlorpheniramine C. Diazepam D. Ibuprofen Answer: A. Cimetidine Explanation:Cimetidine is an H2 receptor antagonist that reduces stomach acid production and is used as an antacid for treating conditions like ulcers and acid reflux. Chlorpheniramine is an antihistamine, Diazepam is an anti-anxiety drug, and Ibuprofen is an NSAID. 12. Which of the following compounds is used as a food preservative? A. Sodium benzoate B. Urea C. Formalin D. Sodium hydroxide Answer: A. Sodium benzoate Explanation:Sodium benzoate is a preservative that prevents the growth of bacteria and fungi in food products. Urea is used in fertilizers, formalin is used for preservation in biological specimens, and sodium hydroxide is a caustic substance. 13. Which of the following drugs is used in the treatment of depression? A. Fluoxetine B. Aspirin C. Insulin D. Penicillin Answer: A. Fluoxetine Explanation:Fluoxetine is a selective serotonin reuptake inhibitor (SSRI) used to treat depression. Aspirin is used for pain and inflammation, insulin is used to manage diabetes, and penicillin is an antibiotic. 14. Which of the following is a non-ionic detergent? A. Sodium dodecylbenzenesulfonate B. Cetyltrimethylammonium chloride C. Polyethylene glycol D. Sodium lauryl sulfate Answer: C. Polyethylene glycol Explanation:Non-ionic detergents like polyethylene glycol do not ionize in solution and are used in various cleaning applications. Sodium dodecylbenzenesulfonate and sodium lauryl sulfate are anionic detergents, while cetyltrimethylammonium chloride is cationic. 15. Which of the following additives is used as a thickening agent in food? A. Xanthan gum B. Aspartame C. Sodium chloride D. Benzoic acid Answer: A. Xanthan gum Explanation:Xanthan gum is a thickening agent used to increase the viscosity of food products without altering their other properties. Aspartame is a sweetener, sodium chloride is table salt, and benzoic acid is a preservative. 16. Which of the following is used as an anti-malarial drug? A. Quinine B. Ampicillin C. Chloramphenicol D. Paracetamol Answer: A. Quinine Explanation:Quinine is an anti-malarial drug derived from the bark of the cinchona tree. It is used to treat malaria caused by Plasmodium parasites. Ampicillin and chloramphenicol are antibiotics, while paracetamol is an antipyretic and analgesic. 17. Which of the following is a broad-spectrum antibiotic? A. Penicillin B. Tetracycline C. Isoniazid D. Streptomycin Answer: B. Tetracycline Explanation:Tetracycline is a broad-spectrum antibiotic effective against a wide range of bacterial infections. Penicillin primarily targets gram-positive bacteria, isoniazid is used to treat tuberculosis, and streptomycin is used for tuberculosis and other infections. 18. Which of the following detergents is biodegradable? A. Sodium dodecylbenzenesulfonate B. Sodium stearate C. Alkylbenzene sulfonate D. Sodium laureth sulfate Answer: B. Sodium stearate Explanation:Sodium stearate is a soap and a biodegradable detergent. It breaks down naturally in the environment. Sodium dodecylbenzenesulfonate and alkylbenzene sulfonates are synthetic detergents that may not be fully biodegradable. 19. Which of the following is an artificial sweetener? A. Glucose B. Sucrose C. Aspartame D. Fructose Answer: C. Aspartame Explanation:Aspartame is a low-calorie artificial sweetener used in diet beverages and food products. Glucose, sucrose, and fructose are natural sugars. 20. Which of the following drugs is used in the treatment of tuberculosis? A. Isoniazid B. Aspirin C. Paracetamol D. Ibuprofen Answer: A. Isoniazid Explanation:Isoniazid is an antibiotic specifically used to treat tuberculosis by inhibiting the synthesis of mycolic acid in the bacterial cell wall. Aspirin, paracetamol, and ibuprofen are used for pain and fever relief. 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. 31. Which of the following food additives is used as an emulsifier? A. Lecithin B. Sodium chloride C. Sucrose D. Sorbic acid Answer: A. Lecithin Explanation:Lecithin is an emulsifier that helps blend fat and water-based ingredients in foods. Sodium chloride is salt, sucrose is a sweetener, and sorbic acid is a preservative. 32. Which of the following drugs is an antihistamine? A. Cetirizine B. Ibuprofen C. Paracetamol D. Amoxicillin Answer: A. Cetirizine Explanation:Cetirizine is an antihistamine used to treat allergic reactions such as hay fever and urticaria. Ibuprofen and paracetamol are pain relievers, and amoxicillin is an antibiotic. 33. Which of the following detergents is widely used in laundry detergents? A. Alkylbenzene sulfonate B. Sodium chloride C. Glycerol D. Citric acid Answer: A. Alkylbenzene sulfonate Explanation:Alkylbenzene sulfonates are synthetic anionic detergents commonly used in household and industrial laundry detergents due to their strong cleaning properties. 34. Which of the following drugs is an example of a narcotic analgesic? A. Codeine B. Ibuprofen C. Tetracycline D. Diazepam Answer: A. Codeine Explanation:Codeine is a narcotic analgesic used to treat mild to moderate pain and to suppress coughing. Ibuprofen is a non-narcotic pain reliever, tetracycline is an antibiotic, and diazepam is used for anxiety. 35. Which of the following is a synthetic food colorant? A. Sunset Yellow B. Ascorbic acid C. Sucrose D. Glucose Answer: A. Sunset Yellow Explanation:Sunset Yellow is a synthetic food dye used to add color to processed foods and beverages. Ascorbic acid is vitamin C, and sucrose and glucose are sugars. 36. Which of the following is a broad-spectrum antibiotic? A. Ciprofloxacin B. Aspirin C. Diazepam D. Paracetamol Answer: A. Ciprofloxacin Explanation:Ciprofloxacin is a broad-spectrum antibiotic effective against a wide variety of bacterial infections. Aspirin and paracetamol are used for pain relief, and Diazepam is an anti-anxiety drug. 37. Which of the following food additives is used to prevent oxidation in foods? A. Butylated hydroxytoluene (BHT) B. Aspartame C. Sodium chloride D. Benzoic acid Answer: A. Butylated hydroxytoluene (BHT) Explanation:BHT is an antioxidant used to prevent fats and oils in food from becoming rancid due to oxidation. Aspartame is a sweetener, sodium chloride is salt, and benzoic acid is a preservative. 38. Which of the following drugs is used to treat bacterial infections? A. Amoxicillin B. Aspirin C. Ibuprofen D. Diazepam Answer: A. Amoxicillin Explanation:Amoxicillin is a penicillin-type antibiotic used to treat various bacterial infections. Aspirin and ibuprofen are pain relievers, and Diazepam is used to treat anxiety. 39. Which of the following is a preservative used in cosmetics and food products? A. Sodium benzoate B. Sodium chloride C. Glycerol D. Ethanol Answer: A. Sodium benzoate Explanation:Sodium benzoate is used as a preservative in food and cosmetics to inhibit microbial growth. Sodium chloride is salt, glycerol is a moisturizer, and ethanol is used as a solvent and disinfectant. 40. Which of the following is used as an anti-inflammatory drug? A. Ibuprofen B. Tetracycline C. Amoxicillin D. Ciprofloxacin Answer: A. Ibuprofen Explanation:Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) used to reduce inflammation, pain, and fever. Tetracycline, amoxicillin, and ciprofloxacin are antibiotics. 41. Which of the following drugs is commonly used as an anti-allergic medication? A. Loratadine B. Penicillin C. Ibuprofen D. Paracetamol Answer: A. Loratadine Explanation:Loratadine is an antihistamine drug used to relieve symptoms of allergies such as hay fever and hives. Penicillin is an antibiotic, ibuprofen is an anti-inflammatory drug, and paracetamol is an analgesic and antipyretic. 42. Which of the following is used as a preservative in bread and cakes? A. Potassium sorbate B. Sucrose C. Glucose D. Fructose Answer: A. Potassium sorbate Explanation:Potassium sorbate is used as a preservative in various food products, including bread and cakes, to prevent mold and yeast growth. Sucrose, glucose, and fructose are sugars used as sweeteners. 43. Which of the following drugs is an example of an antifungal agent? A. Ketoconazole B. Ampicillin C. Ciprofloxacin D. Paracetamol Answer: A. Ketoconazole Explanation:Ketoconazole is an antifungal drug used to treat fungal infections. Ampicillin and ciprofloxacin are antibiotics used to treat bacterial infections, and paracetamol is a pain reliever and fever reducer. 44. Which of the following is used to prevent rancidity in fats and oils? A. Ascorbic acid B. Sodium benzoate C. Butylated hydroxyanisole (BHA) D. Sodium chloride Answer: C. Butylated hydroxyanisole (BHA) Explanation:BHA is an antioxidant used in food preservation to prevent the oxidation of fats and oils, thus avoiding rancidity. Ascorbic acid is vitamin C, sodium benzoate is a preservative, and sodium chloride is salt. 45. Which of the following is a disinfectant used to sterilize surgical instruments? A. Chlorine B. Alcohol C. Formaldehyde D. Sodium hypochlorite Answer: C. Formaldehyde Explanation:Formaldehyde is used as a disinfectant to sterilize surgical instruments due to its ability to kill bacteria, viruses, and fungi. Chlorine and sodium hypochlorite are used for disinfecting water, while alcohol is used for skin antisepsis. 46. Which of the following is used as a non-caloric artificial sweetener? A. Sucralose B. Sucrose C. Glucose D. Fructose Answer: A. Sucralose Explanation:Sucralose is a non-caloric artificial sweetener used in diet products. It is much sweeter than sucrose (table sugar). Glucose and fructose are naturally occurring sugars. 47. Which of the following is a pain-relieving drug used for severe pain? A. Morphine B. Paracetamol C. Aspirin D. Ibuprofen Answer: A. Morphine Explanation:Morphine is a strong opioid analgesic used to relieve severe pain. Paracetamol, aspirin, and ibuprofen are used for mild to moderate pain. 48. Which of the following is a preservative commonly used in soft drinks? A. Sodium benzoate B. Citric acid C. Aspartame D. Sucrose Answer: A. Sodium benzoate Explanation:Sodium benzoate is commonly used as a preservative in soft drinks to prevent the growth of microorganisms. Citric acid is used for flavor, aspartame is a sweetener, and sucrose is a sugar. 49. Which of the following drugs is used to treat bacterial infections in the urinary tract? A. Ciprofloxacin B. Aspirin C. Paracetamol D. Diazepam Answer: A. Ciprofloxacin Explanation:Ciprofloxacin is a broad-spectrum antibiotic commonly used to treat bacterial infections, including urinary tract infections. Aspirin and paracetamol are pain relievers, while diazepam is used to treat anxiety. 50. Which of the following food additives is used as an acidulant? A. Citric acid B. Sodium chloride C. Glycerol D. Sorbitol Answer: A. Citric acid Explanation:Citric acid is used as an acidulant to add a sour taste to food and beverages and also to preserve the product by lowering its pH. Sodium chloride is salt, glycerol is a moisturizer, and sorbitol is a sweetener. 51. Which of the following is used as an antiseptic in mouthwashes? A. Chlorhexidine B. Paracetamol C. Ciprofloxacin D. Ibuprofen Answer: A. Chlorhexidine Explanation:Chlorhexidine is an antiseptic used in mouthwashes to reduce bacteria in the mouth and prevent infections. Paracetamol and ibuprofen are pain relievers, and ciprofloxacin is an antibiotic. 52. Which of the following detergents is an example of a biodegradable detergent? A. Sodium stearate B. Sodium dodecyl sulfate C. Alkylbenzene sulfonate D. Sodium lauryl sulfate Answer: A. Sodium stearate Explanation:Sodium stearate is a biodegradable soap that breaks down naturally in the environment. Sodium dodecyl sulfate and sodium lauryl sulfate are synthetic detergents, while alkylbenzene sulfonates may not be fully biodegradable. 53. Which of the following is an antimicrobial agent used in cosmetics? A. Parabens B. Sorbitol C. Glycerol D. Fructose Answer: A. Parabens Explanation:Parabens are used as preservatives in cosmetics to prevent microbial growth. Sorbitol and glycerol are humectants, and fructose is a sugar. 54. Which of the following drugs is used as an antacid to treat acidity and ulcers? A. Ranitidine B. Aspirin C. Diazepam D. Amoxicillin Answer: A. Ranitidine Explanation:Ranitidine is an H2 receptor antagonist that reduces stomach acid production, used to treat acid reflux and ulcers. Aspirin is an analgesic, diazepam is used for anxiety, and amoxicillin is an antibiotic. 55. Which of the following food additives is used to improve the texture of food products? A. Xanthan gum B. Sodium benzoate C. Aspartame D. Sorbic acid Answer: A. Xanthan gum Explanation:Xanthan gum is used as a thickening agent to improve the texture of food products. Sodium benzoate is a preservative, aspartame is a sweetener, and sorbic acid is also used as a preservative. 56. Which of the following is a drug used in chemotherapy to treat cancer? A. Cisplatin B. Aspirin C. Penicillin D. Ibuprofen Answer: A. Cisplatin Explanation:Cisplatin is a chemotherapy drug used to treat various cancers by damaging the DNA of cancer cells. Aspirin is used for pain, penicillin is an antibiotic, and ibuprofen is an anti-inflammatory drug. 57. Which of the following detergents is an anionic detergent? A. Sodium dodecyl sulfate B. Cetyltrimethylammonium chloride C. Polyethylene glycol D. Glycerol Answer: A. Sodium dodecyl sulfate Explanation:Sodium dodecyl sulfate is an anionic detergent, meaning it carries a negative charge and is effective in cleaning greasy and oily surfaces. Cetyltrimethylammonium chloride is a cationic detergent, while polyethylene glycol and glycerol are non-ionic. 58. Which of the following drugs is used to treat fungal infections? A. Fluconazole B. Paracetamol C. Aspirin D. Ciprofloxacin Answer: A. Fluconazole Explanation:Fluconazole is an antifungal drug used to treat fungal infections. Paracetamol and aspirin are pain relievers, and ciprofloxacin is an antibiotic. 59. Which of the following food additives is used as a flavor enhancer in savory foods? A. Monosodium glutamate (MSG) B. Sodium benzoate C. Aspartame D. Sorbic acid Answer: A. Monosodium glutamate (MSG) Explanation:Monosodium glutamate (MSG) is used as a flavor enhancer in savory dishes to enhance their taste. Sodium benzoate and sorbic acid are preservatives, and aspartame is a sweetener. 60. Which of the following drugs is used as an anticoagulant to prevent blood clotting? A. Warfarin B. Ibuprofen C. Aspirin D. Paracetamol Answer: A. Warfarin Explanation:Warfarin is an anticoagulant used to prevent blood clots in patients at risk for thrombosis. Ibuprofen and aspirin are pain relievers, and paracetamol is an analgesic and antipyretic. 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. 71. Which of the following drugs is used to treat high blood pressure? A. Amlodipine B. Aspirin C. Ibuprofen D. Paracetamol Answer: A. Amlodipine Explanation:Amlodipine is a calcium channel blocker used to treat high blood pressure by relaxing blood vessels. Aspirin, ibuprofen, and paracetamol are used for pain relief. 72. Which of the following food additives is used to prevent browning in fruits? A. Ascorbic acid B. Sodium benzoate C. Aspartame D. Sorbitol Answer: A. Ascorbic acid Explanation:Ascorbic acid (vitamin C) is used as an antioxidant to prevent the browning of fruits by inhibiting oxidation. Sodium benzoate is a preservative, aspartame is a sweetener, and sorbitol is a humectant. 73. Which of the following drugs is used to reduce cholesterol levels in the blood? A. Atorvastatin B. Paracetamol C. Ibuprofen D. Aspirin Answer: A. Atorvastatin Explanation:Atorvastatin is a statin drug used to lower cholesterol levels and reduce the risk of heart disease. Paracetamol, ibuprofen, and aspirin are used for pain relief. 74. Which of the following is used as an artificial food coloring agent? A. Allura Red B. Citric acid C. Glucose D. Fructose Answer: A. Allura Red Explanation:Allura Red is a synthetic food dye used to impart a red color to various food and beverage products. Citric acid is a flavoring agent, and glucose and fructose are sugars. 75. Which of the following is a drug used to treat anxiety disorders? A. Diazepam B. Paracetamol C. Aspirin D. Ibuprofen Answer: A. Diazepam Explanation:Diazepam is a benzodiazepine used to treat anxiety, muscle spasms, and seizures. Paracetamol, aspirin, and ibuprofen are pain relievers and anti-inflammatory drugs. 76. Which of the following food additives is used to prevent microbial growth in processed foods? A. Sorbic acid B. Citric acid C. Glucose D. Aspartame Answer: A. Sorbic acid Explanation:Sorbic acid is used as a preservative in processed foods to prevent microbial growth. Citric acid is used for flavoring, glucose is a sugar, and aspartame is a sweetener. 77. Which of the following drugs is used to treat bacterial infections of the skin? A. Tetracycline B. Aspirin C. Paracetamol D. Ibuprofen Answer: A. Tetracycline Explanation:Tetracycline is an antibiotic used to treat bacterial infections of the skin, such as acne and rosacea. Aspirin, paracetamol, and ibuprofen are pain relievers and anti-inflammatory drugs. 78. Which of the following detergents is most commonly used in dishwashing liquids? A. Sodium lauryl sulfate B. Sodium chloride C. Polyethylene glycol D. Glycerol Answer: A. Sodium lauryl sulfate Explanation:Sodium lauryl sulfate is a surfactant used in dishwashing liquids to remove grease and oil. Sodium chloride is salt, polyethylene glycol is a non-ionic surfactant, and glycerol is a humectant. 79. Which of the following drugs is an antihypertensive agent? A. Losartan B. Paracetamol C. Aspirin D. Ibuprofen Answer: A. Losartan Explanation:Losartan is an angiotensin receptor blocker (ARB) used to treat high blood pressure (hypertension). Paracetamol, aspirin, and ibuprofen are used for pain relief. 80. Which of the following is a synthetic antioxidant used to preserve food? A. Butylated hydroxyanisole (BHA) B. Citric acid C. Aspartame D. Sodium benzoate Answer: A. Butylated hydroxyanisole (BHA) Explanation:BHA is a synthetic antioxidant used to preserve food by preventing the oxidation of fats and oils. Citric acid is a flavoring agent, aspartame is a sweetener, and sodium benzoate is a preservative. 81. Which of the following drugs is used as an immunosuppressant to prevent organ transplant rejection? A. Cyclosporine B. Paracetamol C. Ibuprofen D. Aspirin Answer: A. Cyclosporine Explanation:Cyclosporine is an immunosuppressant drug used to prevent the immune system from rejecting transplanted organs. Paracetamol, ibuprofen, and aspirin are used for pain relief but are not immunosuppressants. 82. Which of the following food additives is used as a flavoring agent in candies? A. Citric acid B. Sodium benzoate C. Aspartame D. Sorbic acid Answer: A. Citric acid Explanation:Citric acid is used as a flavoring agent in candies to provide a sour taste. Sodium benzoate and sorbic acid are preservatives, while aspartame is a sweetener. 83. Which of the following drugs is used to relieve symptoms of acid reflux? A. Omeprazole B. Aspirin C. Ibuprofen D. Paracetamol Answer: A. Omeprazole Explanation:Omeprazole is a proton pump inhibitor (PPI) used to reduce stomach acid production and treat conditions like acid reflux. Aspirin, ibuprofen, and paracetamol are used for pain relief but do not address acid reflux. 84. Which of the following detergents is commonly used in shampoos for its foaming properties? A. Sodium lauryl sulfate B. Glycerol C. Polyethylene glycol D. Sodium chloride Answer: A. Sodium lauryl sulfate Explanation:Sodium lauryl sulfate is a surfactant used in shampoos for its ability to create foam and remove oils from hair. Glycerol is a moisturizer, polyethylene glycol is a non-ionic surfactant, and sodium chloride is salt. 85. Which of the following drugs is used to treat insomnia (sleep disorders)? A. Zolpidem B. Paracetamol C. Ibuprofen D. Aspirin Answer: A. Zolpidem Explanation:Zolpidem is a sedative-hypnotic drug used to treat insomnia by helping people fall asleep. Paracetamol, ibuprofen, and aspirin are pain relievers. 86. Which of the following is used as a bulking agent in low-calorie foods? A. Cellulose B. Sodium chloride C. Glucose D. Fructose Answer: A. Cellulose Explanation:Cellulose is used as a bulking agent in low-calorie foods because it provides texture without adding calories. Sodium chloride is salt, glucose and fructose are sugars. 87. Which of the following is a drug used to treat malaria? A. Chloroquine B. Aspirin C. Ibuprofen D. Paracetamol Answer: A. Chloroquine Explanation:Chloroquine is an antimalarial drug used to prevent and treat malaria. Aspirin, ibuprofen, and paracetamol are used for pain relief but are not effective against malaria. 88. Which of the following food additives is used as a humectant to retain moisture? A. Glycerol B. Aspartame C. Sodium benzoate D. Sorbic acid Answer: A. Glycerol Explanation:Glycerol is used as a humectant in food products to retain moisture and improve texture. Aspartame is a sweetener, sodium benzoate is a preservative, and sorbic acid is also a preservative. 89. Which of the following drugs is used as an anti-epileptic to control seizures? A. Phenytoin B. Paracetamol C. Aspirin D. Ibuprofen Answer: A. Phenytoin Explanation:Phenytoin is an anti-epileptic drug used to control seizures in patients with epilepsy. Paracetamol, aspirin, and ibuprofen are pain relievers but are not effective in treating epilepsy. 90. Which of the following detergents is used as a surfactant in laundry powders? A. Sodium dodecyl sulfate B. Polyethylene glycol C. Sodium chloride D. Glycerol Answer: A. Sodium dodecyl sulfate Explanation:Sodium dodecyl sulfate is a surfactant commonly used in laundry powders to help remove dirt and grease. Polyethylene glycol is a non-ionic surfactant, sodium chloride is salt, and glycerol is a moisturizer. 91. Which of the following drugs is used to treat high cholesterol? A. Simvastatin B. Ibuprofen C. Paracetamol D. Aspirin Answer: A. Simvastatin Explanation:Simvastatin is a statin drug used to lower cholesterol levels and reduce the risk of heart disease. Ibuprofen, paracetamol, and aspirin are used for pain relief. 92. Which of the following is a preservative used in jams and jellies? A. Potassium sorbate B. Aspartame C. Glucose D. Fructose Answer: A. Potassium sorbate Explanation:Potassium sorbate is used as a preservative in jams and jellies to prevent the growth of molds and yeasts. Aspartame is a sweetener, and glucose and fructose are sugars. 93. Which of the following drugs is used as a diuretic to increase urine production? A. Furosemide B. Paracetamol C. Aspirin D. Ibuprofen Answer: A. Furosemide Explanation:Furosemide is a diuretic that helps increase urine production, often used to treat conditions like hypertension and edema. Paracetamol, aspirin, and ibuprofen are pain relievers. 94. Which of the following food additives is used to prevent caking in powdered products? A. Silicon dioxide B. Sodium chloride C. Aspartame D. Sorbic acid Answer: A. Silicon dioxide Explanation:Silicon dioxide is used as an anti-caking agent in powdered products to prevent clumping. Sodium chloride is salt, aspartame is a sweetener, and sorbic acid is a preservative. 95. Which of the following drugs is used to treat Parkinson's disease? A. Levodopa B. Paracetamol C. Aspirin D. Ibuprofen Answer: A. Levodopa Explanation:Levodopa is a medication used to treat the symptoms of Parkinson's disease by increasing dopamine levels in the brain. Paracetamol, aspirin, and ibuprofen are used for pain relief. 96. Which of the following detergents is commonly used in toothpaste for its foaming action? A. Sodium lauryl sulfate B. Polyethylene glycol C. Sodium chloride D. Glycerol Answer: A. Sodium lauryl sulfate Explanation:Sodium lauryl sulfate is a surfactant used in toothpaste to create foam and aid in cleaning the teeth. Polyethylene glycol is a non-ionic surfactant, sodium chloride is salt, and glycerol is a moisturizer. 97. Which of the following drugs is used to treat bacterial meningitis? A. Ceftriaxone B. Aspirin C. Paracetamol D. Ibuprofen Answer: A. Ceftriaxone Explanation:Ceftriaxone is an antibiotic used to treat bacterial infections, including bacterial meningitis. Aspirin, paracetamol, and ibuprofen are used for pain relief but are not effective against bacterial infections. 98. Which of the following food additives is used to enhance the shelf life of baked goods? A. Calcium propionate B. Glucose C. Fructose D. Citric acid Answer: A. Calcium propionate Explanation:Calcium propionate is used as a preservative in baked goods to prevent mold growth and extend shelf life. Glucose and fructose are sugars, and citric acid is a flavoring agent. 99. Which of the following drugs is used to treat depression? A. Fluoxetine B. Paracetamol C. Ibuprofen D. Aspirin Answer: A. Fluoxetine Explanation:Fluoxetine is an antidepressant medication used to treat major depressive disorder, anxiety, and other mood disorders. Paracetamol, ibuprofen, and aspirin are pain relievers. 100. Which of the following is used as a stabilizer in salad dressings? A. Xanthan gum B. Sorbic acid C. Glucose D. Fructose Answer: A. Xanthan gum

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71. Which of the following drugs is used to treat high blood pressure?

72. Which of the following food additives is used to prevent browning in fruits?

73. Which of the following drugs is used to reduce cholesterol levels in the blood?

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