Multiple Choice Questions

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Antiseptics and disinfectants either kill or prevent the growth of microorganisms. Identify which of the following is not true.

  • A 0.2% solution of phenol is an antiseptic while 1% solution acts as a disinfectant

  • Chlorine and iodine are used as strong disinfectants

  • Dilute solutions of boric acid and hydrogen, peroxide are strong antiseptics

  • Dilute solutions of boric acid and hydrogen, peroxide are strong antiseptics


C.

Dilute solutions of boric acid and hydrogen, peroxide are strong antiseptics

Antiseptics and disinfectants both either kill or prevent the growth of microorganisms. The main point of difference between these two is that the former (antiseptics) are used for living beings whereas disinfectants are not safe for living tissues. These are actually used for inanimate objects like floors, tiles etc.

A substance like phenol in its lower concentration (0.2%) behaves as antiseptic whereas in higher concentration (1%) as disinfectant. Chlorine and iodine are strong disinfectants whereas dilute solutions of boric acid and hydrogen peroxide are mild antiseptics. 

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Which one of the following is an amine hormone?

  • Thyroxine

  • Oxypurin

  • Insulin

  • Progesterone

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Which one of the following is employed as a tranquilizer?

  • Equanil

  • Naproxen

  • Tetracycline

  • Tetracycline

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Which one of the following is employed asa tranquilizer drug?

  • Promethazine

  • Valium

  • Naproxen

  • Naproxen

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Which of the following hormones contain iodine?

  • Insulin

  • Testosterone

  • Adrenaline

  • Adrenaline

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How many Faradays are required to reduce 1 mol of BrO3- to Br-

  • 3

  • 5

  • 6

  • 4


Which one among the following is added to soap to impart antiseptic property?

  • Sodium lauryl sulphate

  • Sodium dodecylbenzene sulphonates

  • Rosin

  • Bithional


Chloramphenicol is an

  • antifertility drug

  • antihistamine

  • antiseptic and disinfectant

  • antiseptic and disinfectant

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Which one of the following is employed as antihistamine?

  • Diphenyl hydramine

  • Norethindrone

  • Omeprazole

  • Omeprazole

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Mixture of chloroxylenol and terpineol acts as

  • Analgesic 

  • Antiseptic

  • Antipyretic

  • Antipyretic

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