Chemistry in Everyday Life PYQs Set 3 (PDF)

Set 3 of 8 · Questions 61-90 of 240

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Mere Teacher · Previous Year Questions NEET Chemistry · Chemistry in Everyday Life · Set 3 (Q61-90)
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61. $In which of the following, drug class is correctly matched with the criteria of drug classification$ (1) $Analgesics-------molecular targets$ (2) $Sulphonamides------drug action$ (3) $Antihistamines------chemical structure$ (4) $Antiseptics-------pharmacological effect$ 62. $Which one of the following statements is not true?.$ (1) $Ampicillin is a natural antibiotic.$ (2) $Aspirin is both analgesic and antipyretic.$ (3) $Sulphadiazine is a synthetic antibacterial drug.$ (4) $Some disinfectants can be used as antiseptics. (1994)$ 63. $Match List I with List II. List-I I List-II A. Sulphate I. Pesticide B. Fluoride II. Bending of bones C. Nicotine III. Laxative effect D. Sodium arsinite IV. Herbicide Choose the correct answer from the options given below:$ (1) $A-II, B-III. C-IV, D-I$ (2) $A-IV, B-III, C-II, D-I$ (3) $A-III, B-II, C-I, D-IV$ (4) $A-III, B-II, C-IV, D-I$ 64. $Identify the pair of drugs which act as tranquilizers$ (1) $Heroin, Codeine$ (2) $Valium, Serotonin$ (3) $Dimetapp, Seldane$ (4) $Cimetidine, Ranitidine$ 65. $A food additive that acts as an anti-oxidant is$ (1) $saccharin$ (2) $sugar syrup$ (3) $salt$ (4) $BHA.$ 66. $The molecule that has minimum/no role in the formation of photochemical smog, is:$ (1) $N_{2}$ (2) $CH_{2} = O$ (3) $O_{3}$ (4) $NO$ 67. $Which one of the following is a non-narcotic analgesic?$ (1) $Heroin$ (2) $Codeine$ (3) $Aspirin$ (4) $Morphine$ 68. $Among the following four aromatic compounds, which one will have the lowest melting point ?$ (1) (2) (3) (4) 69. $Which among the following is an arsenic based antibiotic drug, for which Paul Ehrlich was awarded Noble prize in 1908.$ (1) $Salvarsan$ (2) $Penicillin$ (3) $Prontosil$ (4) $Sulphapyridine$ 70. $The statement that is not true about ozone is$ (1) $In the stratosphere, CFCs release chlorine free radicals (Cl) which reacts with O_{3} to give chlorine dioxide radicals.$ (2) $It is a toxic gas and its reaction with NO gives NO_{2}$ (3) $In the atmosphere, it is depleted by CFCs$ (4) $In the stratosphere, it forms a protective shield against UV radiation.$ 71. $Which one of the following is an example of artificial sweetner?$ (1) $Bithional$ (2) $Alitame$ (3) $Salvarsan$ (4) $Lactose$ 72. $Amongst the following compounds, which one is an antacid ?$ (1) $Ranitidine$ (2) $Meprobamate$ (3) $Terfenadine$ (4) $Brompheniramine$ 73. $Assertion : Ozone is destroyed by CFCs in the upper stratosphere. Reason: Ozone holes increase the amount of UV radiation reaching the earth.$ (1) $Assertion and reason are incorrect.$ (2) $Assertion and reason are both correct, and the reason is the correct explanation for the assertion.$ (3) $Assertion and reason are correct, but the reason is not the explanation for the assertion.$ (4) $text {Assertion is false, but the reason is correct.}$ 74. $Which one of the following is employed as a Tranquilizer drug?$ (1) $Promethazine$ (2) $Valium$ (3) $Naproxen$ (4) $Mifepristone.$ 75. $Correct statements with respect to morphine (X) and Veronal (Y) are A. Both X and Y are sleep producing agents B. X is hypnotic and Y is analgesic C. X is analgesic and Y is hypnotic D. X is non narcotic analgesic and Y is antidepressant$ (1) $A, B$ (2) $B, C$ (3) $A, C$ (4) $C, D$ 76. $Which of the following statements is incorrect for antibiotics?$ (1) $An antibiotic must be a product of metabolism.$ (2) $An antibiotic is a synthetic substance produced as a structural analogue of naturally occurring antibiotic.$ (3) $An antibiotic should promote the growth or survival of microorganisms,$ (4) $An antibiotic should be effective in low concentrations.$ 77. $A is a lighter phenol and B is an aromatic carboxylic acid. Separation of a mixture of A and B can be carried out easily by using a solution of$ (1) $Sodium hydroxide$ (2) $Sodium sulphate$ (3) $Calcium chloride$ (4) $Sodium bicarbonate$ 78. $Which of the following can possibly be used as analgesic without causing addiction and mood modification?$ (1) $Diazepam$ (2) $Tetrahydrocatinol$ (3) $Morphine$ (4) $N‐Acetyl‐para‐aminophenol. (1997)$ 79. $Match List-I with List-II List I Chemical Compound 1. Sucralose 2. Glyceryl ester of stearic acid 3. Sodium benzoate 4.Bithionol List II Used as (i) Synthetic detergent (ii) Artificial sweetener (iii) Antiseptic (iv) Food preservative Choose the correct match :$ (1) $(1) -(iv),(2)-(iii),(3)-(ii),(4)-(i)$ (2) $(1)-(ii), (2)-(i), (3)-(iv), (4)-(iii)$ (3) $(1)-(iii), (2)-(ii), (3)-(iv), (4)-(i)$ (4) $(1)-(i), (2)-(ii), (3)-(iv), (4)-(iii)$ 80. $The incorrect statement (s) among (a) - (d) regarding acid rain is (are): (A) It can corrode water pipes. (B) It can damage structures made up of stone. (C) It cannot cause respiratory ailments in animals. (D) It is not harmful for trees.$ (1) $(A), (C) and (D)$ (2) $(A), (B) and (D)$ (3) $(C) and (D)$ (4) $(C) only$ 81. $Which of the following conditions in drinking water causes methemoglobinemia?$ (1) $> 50 ppm ppm of lead$ (2) $> 50 ppm of chloride$ (3) $> 50 ppm of nitrate$ (4) $> 100 ppm of sulphate$ 82. $Which of the following statements are true for saccharin?(A) It is a sodium salt and is not soluble in water.(B) It is much sweetner than cane sugar.(C) It is of great value for diabetic patients and is excreted as such in urine.(D) It is harmful.$ (1) $A, B$ (2) $B, C$ (3) $C, D$ (4) $B, D$ 83. $Green chemisty means such reactions which$ (1) $produce colour during reactions$ (2) $reduce the use and production of hazardous chemicals$ (3) $are related to the depletion of ozone layer$ (4) $study the reactions in plants$ 84. $The reaction that is NOT involved in the ozone layer depletion mechanism in the stratosphere is:$ (1) $CF_{2} Cl_{2} (g) ⟶ uv Cl (g) + C F_{2} Cl (g)$ (2) $ClO (g) + O (g) ⟶ Cl (g) + O_{2} (g)$ (3) $CH_{4} + 2 O_{3} ⟶ 3 CH_{2} = O + 3 H_{2} O$ (4) $HOCl (g) ⟶ hv O H (g) + Cl (g)$ 85. $If a person is suffering from the deficiency of nor-adrenaline, what kind of drug can be suggested ?$ (1) $Analgesic$ (2) $Antidepressant$ (3) $Anti-inflammatory$ (4) $Antihistamine$ 86. $Which of the following is not related to drugenzyme interaction?$ (1) $Antagonist$ (2) $Co-enzymes$ (3) $Enzyme inhibitor$ (4) $Allosteric site$ 87. $Biochemical Oxygen Demand (BOD) is the amount of oxygen required (in ppm) :$ (1) $For the photochemical breakdown of wastepresent in 1m³ volume of a water body.$ (2) $for sustaining life in a water body.$ (3) $by bacteria to break-down organic waste in a certain volume of a water sample.$ (4) $by anaerobic bacteria to breakdown inorganic waste present in a water body.$ 88. $Pick the correct statement among the following :$ (1) $Sodium dodecylbenzene sulphonate used in toothpaste is a cationic detergent.$ (2) $Sodium lauryl sulphate forms an insoluble scum with hard water.$ (3) $Cetyltrimethyl ammonium bromide is a popular cationic detergent used in hair conditioner.$ (4) $Non-ionic detergents are formed when polyethylene glycol reacts with adipic acid.$ 89. $Which one of the following statements is "not correct" about cationic detergents?$ (1) $Cationic detergents are quaternary ammonium salts$ (2) $Cationic part contains a long hydrocarbon chain$ (3) $Cationic detergents exhibit germicidal properties$ (4) $Cationic detergents are cheap and are widely used$ 90. $Examples for bactericidal and bacteriostatic antibiotics, respectively are$ (1) $penicillin, ofloxacin$ (2) $erythromycin, tetracycline$ (3) $penicillin, chloramphenicol$ (4) $tetracycline, penicillin$