16. CHEMISTRY IN EVERYDAY LIFE Objective
16. CHEMISTRY IN EVERYDAY LIFE
Download 1. The use of chemicals for treatment of diseases is called
(A) chemotherapy
(B) physiotherapy
(C) angiotherapy
(D) polytherapy
Answer тЗТ (A)
2. Some drugs do not bind to the enzyme’s active site, instead bind to a different site of enzyme. This site is called
(A) allosteric site
(B) substrate site
(C) ionic site
(D) competitive site
Answer тЗТ (A)
3. Drugs that bind to the receptor site and inhibit its natural function are called
(A) agonistic drugs
(B) antagonistic drugs
(C) antimicrobial drugs
(D) allosteric drugs
Answer тЗТ (B)
4. Barbituric acid and its derivatives are well known as
(A) tranquilizers
(B) antiseptics
(C) analgesics
(D) antipyretics
Answer тЗТ (A)
5. Which of the following will not act as a tranquilizer ?
(A) Equanil
(B) Analgin
(C) Meprobamate
(D) Chlordiazepoxide
Answer тЗТ (B)
6. Which of the following is a narcotic analgesic ?
(A) Ibuprofen
(B) Aspirin
(C) Paracetamol
(D) Morphine
Answer тЗТ (D)
7. Which of the following statements is not correct?
(A) Some disinfectants can be used as antiseptic at low concentration
(B) Aspirin is analgesic and natipyretic
(C) Norethindrone is an atihistamine
(D) Chloromphenicol is a broad spectrum antibiotic
Answer тЗТ (C)
8. Which of the following will not act as antacid ?
(A) Sodium hydrogencarbonate
(B) Magnesium hydroxide
(C) Sodium carbonate
(D) Aluminium carbonate
Answer тЗТ (C)
9. The term ‘broad spectrum antibiotics’ means
(A) bacterial antibiotics
(B) bacteriostatic antibiotics
(C) which kill or inhibit a wide range of gram – ve and gram + ve bacteria
(D) which kill or inhibit all types of gram + ve bacteria
Answer тЗТ (C)
10. The main constituents of dettol are
(A) chloramphenicol + glycerol
(B) 2-3% solution of iodine in alcohol
(C) 0.2% solution of phenol
(D) chloroxylenol and terpineol
Answer тЗТ (D)
11. Which of the following is not an antibiotic ?
(A) Chloramphenicol
(B) Ofloxacin
(C) Penicillin
(D) Prontosil
Answer тЗТ (D)
12. Which of the following antibiotic is bactericidal ?
(A) Erythromycin
(B) Tetracycline
(C) Penicillin
(D) Chloramphenicol
Answer тЗТ (C)
13. Which of the following compounds represents an analgesic ?
Answer тЗТ (A)
14. Which among the following is not an antibiotic ?
(A) Penicillin
(B) Oxytocin
(C) Erythromycin
(D) Tetracyclin
Answer тЗТ (B)
15. Which of the following is not used as a food preservative ?
(A) Sodium salt of benzoic acid
(B) Sodium salt of sorbic acid
(C) Sodium salt of propanoic acid
(D) Sodium salt of palmitic acid
Answer тЗТ (D)
16. Refrigeration helps in food preservation by
(A) killing the germs
(B) reducing the rates of biochemical reactions
(C) destroying enzyme action
(D) decreasing the size of bacteria
Answer тЗТ (B)
17. Which of the following statements is not correct?
(A) Some antiseptics can be added to soaps
(B) Dilute solutions of some disinfectants can be used as antiseptic
(C) Disinfectants are antimicrobial drugs
(D) Antiseptic medicines can be ingested
Answer тЗТ (D)
18. Which statement about aspirin is not true ?
(A) Aspirin belongs to narcotic analgesics
(B) It is effective in relieving pain
(C) It has antiblood clotting action
(D) It is a neurologically active drug
Answer тЗТ (A)
19. Equanil is
(A) artificial sweetener
(B) tranquilizer
(C) antihistamine
(D) antifertility drug
Answer тЗТ (B)
20. Which of the following enhances lathering property of soap ?
(A) Sodium carbonate
(B) Sodium rosinate
(C) Sodium stearate
(D) Trisodium phosphate
Answer тЗТ (B)
21. Glycerol is added to soap. It functions
(A) as a filler
(B) to increase lathering
(C) to prevent rapid drying
(D) to make soap granules
Answer тЗТ (C)
22. Which of the following is an example of liquid dishwashing detergent ?
(A) CH3 тАУ (CH2)10 – CH2OSO3 тАУ Na+
(B) C9H19 
O 
CH2 – CH2 -O 
5-CH2CH2 OH
(C) CH3SO3Na+
Answer тЗТ (B)
23. Polyethyleneglycols are used in the preparation of which type of detergents ?
(A) Cationic detergents
(B) Anionic detegents
(C) Non-ionic detergents
(D) Soaps
Answer тЗТ (C)
24. Which of the following is not a target molecule for drug function in body ?
(A) Carbohydrates
(B) Lipids
(C) Vitamins
(D) Proteins
Answer тЗТ (C)
25. Which of the following statements is not true about enzyme inhibitors ?
(A) Inhibit the catalytic activity of the enzyme
(B) Prevent the binding of substrate
(C) Generally a strong covalent bond is formed between an inhibitor and an enzyme
(D) Inhibitors can be competitive or non – competitive
Answer тЗТ (C)
26. Which of the following chemicals can be added for sweetening of food items at cooking temperature and does not provide calories ?
(A) Sucrose
(B) Glucose
(C) Aspartame
(D) Sucralose
Answer тЗТ (D)
27. Which of the following will not enhance nutritional value of foods ?
(A) Minerals
(B) Artificial sweeteners
(C) Vitamins
(D) Amino acids
Answer тЗТ (B)
28. Cinnabar is
(A) HgS
(B) PbS
(C) Zns
(D) H2S
Answer тЗТ (A)
29. Washing soda is
(A) Na2CO3 10H2O
(B) Na2CO3.5H2O
(C) Na2CO3
(D) NaOH
Answer тЗТ (A)
30. slaked lime is
(A) CaO
(B) CaCO3
(C) Ca(OH)2
(D) CaCl2
Answer тЗТ (C)
31. Chemical name of borax is
(A) Sodium tetraborate
(B) Sodium metaborate
(C) Sodium orthoborate
(D) none of these
Answer тЗТ (A)
32. Antibiotic used for the tratment of typhoid is
(A) Penicillin
(B) chloroamphenicol
(C) Terramycin
(D) Sulphadiazine
Answer тЗТ (B)
33. paracetamole is a/an
(A) Analgesic
(B) Antiseptic
(C) both analysis and antiseptic
(D) None
Answer тЗТ (A)
Class 12th Chemistry Objective Question English
| S.N | CHEMISTRY OBJECTIVE English Medium |
| 1 | SOLID STATE┬а |
| 2 | SOLUTION |
| 3 | ELECTROCHEMISTRY |
| 4 | CHEMICAL KINETICS |
| 5 | SURFACE CHEMISTRY |
| 6 | GENERAL PRINCIPLES & PROCESSES OF ISOLATION OF ELEMENTS |
| 7 | THE P-BLOCK ELEMENTS |
| 8 | THE D- AND f-BLOCK ELEMENTS |
| 9 | CO-ORDINATION COMPOUNDS |
| 10 | HALOALKANES AND HALOARENES |
| 11 | ALCOHOLS, PHENOLS AND ETHERS |
| 12 | ALDEHYDES, KETONES AND CARBOXYLIC ACIDS |
| 13 | AMINES |
| 14 | BIOMOLECULES |
| 15 | POLYMERS |
| 16 | CHEMISTRY IN EVERYDAY LIFE |
