ANSWERS 2025
1. The ratio of disinfectant to the dilution of phenol required to kill a given strain of the
bacterium Salmonella
tophi:
a. Phenol number
b. Phenol coefficient
c. Phenol value
d. None of the above - CORRECT ANSWER -B
2. The generic name of Mizoram:
a. Meconazole
b. Clotrimazole
c. Ketoconazole
d. Potassium sorbate - CORRECT ANSWER -C
3. Sulfonamides used for burn therapy:
a. Manmade
b. Silver sulfadiazine
c. both an and b
d. none of the preceding - CORRECT ANSWER -C
4. The following are preservatives except:
a. undecylenic acid
b. Methyl paraben
c. benzoic acid
d. potassium sorbate - CORRECT ANSWER -A
5. The combination of trimethoprim and sulfamethoxazole is also known as:
a. Clotrimazole
b. Meconazole
c. co-trimoxazole
d. cotrimazine - CORRECT ANSWER -C
6. A polyene anti-fungal antibiotic:
a. Griseofulvin
b. Nystatin
c. Salicylic acid
,d. Meconazole - CORRECT ANSWER -B
7. Benzyl penicillin is also known as:
a. Penicillin G
b. Penicillin V
c. Oxacillin
d. Ampicillin - CORRECT ANSWER -A
8. First generation urinary tract anti-infective:
a. salicylic acid
b. Griseofulvin
c. Norfloxacin
d. Nalidixic acid - CORRECT ANSWER -D
9. A fluoroquinolone:
a. Norfloxacin
b. Pipe medic acid
c. Meth enamine
d. none of the above - CORRECT ANSWER -A
10. Combination therapy in the treatment of tuberculosis contain the following drugs,
except:
a. Ethambutol
b. Rifampin
c. Isoniazid
d. Streptomycin - CORRECT ANSWER -D
11. These drugs are used in treatment of amoebic dysentery, except:
a. Imidazole
b. Chloroquine
c. Etofamide
d. Metronidazole - CORRECT ANSWER -B
12. A fourth generation cephalosporin’s:
a. Cephalexin
b. Cefixime
c. Cefamandole
d. Cefuroxime - CORRECT ANSWER -B
13. This drug is used in the treatment of chicken pox:
,a. Zidovudine
b. Chloroquine
c. Acyclovir
d. Metronidazole - CORRECT ANSWER -C
14. The drug of choice for typhoid fever:
a. Chloramphenicol
b. Lincomycin
c. Penicillin
d. Cephalosporin’s - CORRECT ANSWER -A
15. The generic name of Dalai C which is often used to treat pimples:
a. Erythromycin
b. Tetracycline
c. Lincomycin
d. Clindamycin - CORRECT ANSWER -D
16. The study of chemical agents which are selectively more toxic to the invading
organisms than the host:
a. therapeutics
b. chemotherapy
c. organic chemistry
d. biochemistry - CORRECT ANSWER -B
17. Compounds that kill or prevent the growth of microorganisms when applied to living
tissues:
a. disinfectant
b. fungicides
c. antiseptics
d. systemic anti-infective - CORRECT ANSWER -C
18. A combination of non-ionic and cationic surfactants with iodine:
a. Povidone-Iodine
b. Strong I2 solution
c. Iodine Tincture
d. I2 in KI solution - CORRECT ANSWER -A
19. The generic name of new Me thiolate is:
a. Chlorhexidine gluconate
b. Thimerosal
, c. Hexachlorophene
d. Benzalkonium chloride - CORRECT ANSWER -D
20. Mechanism of action of quinolones:
a. injury to plasma membrane
b. inhibition of DNA gyrase
c. protein synthesis inhibition
d. production of toxic free radicals - CORRECT ANSWER -B
21. Prodrugs of active anti-malarial metabolites, the dihydrotriazines:
a. quinolones
b. iguanids
c. beta-lactams
d. quinolones - CORRECT ANSWER -B
22. 7 chloro-7-deoxy Lincomycin:
a. clindamycin
b. roxithromycin
c. spectinomycin
d. ilotycin - CORRECT ANSWER -A
23. The drug is effective against both exoerythrocytic and erythrocyte forms of malaria:
a. chloroquine
b. quinine
c. amodiaquine
d. cycloguanil - CORRECT ANSWER -D
24. Newest and most potent quinolone derivative for malaria:
a. amodiaquine
b. mefloquine
c. at brine
d. Dara prim - CORRECT ANSWER -B
25. An aromatic diamine derivative used for sleeping sickness:
a. surimi
b. pentamidine
c. efflornithine
d. stibophen - CORRECT ANSWER -B
26. Methylated erythromycin: