Medical-Entrance

11. Bromine is a A.     black solid B.     red liquid C.     colourless gas D.     highly inflammable […]

1. Brass gets discoloured in air because of the presence of which of the following gases in air? A.   

6. Chemical formula for water is A. NaAlO2 B. H2O C. Al2O3 D. CaSiO3 Answer & Explanation Answer: Option B

1. Brass gets discoloured in air because of the presence of which of the following gases in air? A.   

56. The fragmentation occurs in A.     Streptomyces species B.     Nocardia species C.     Bacillus subtilis D.     None

51. An organism is completely dependent on atmospheric O2 for growth. This organism is A.     osmotolerant B.     acidophile

46. Bacteria of genus Nitrosomonas use __________ as their electron source. A.     ammonia    B.     H2S C.     succinate  

36. Which of the following is the suitable temperature range for mesophiles? A.     20-30°C B.     25-40°C C.   

41. Postgates assay technique is useful in determining if a cell is viable even though it is A. incapable of

36. Which of the following is the suitable temperature range for mesophiles? A.     20-30°C B.     25-40°C C.   

31. A synergistic effect is observed when A.     one organism removes an inhibitory substance for another B.     one

26. Which of the following has more tolerance for acidic pH (lower pH)? A.     Yeast and moulds B.   

21. The reproduction by budding occur in A.     Rhodopseudomonas acidophila B.     Hyphomicrobium vulgare C.     Bacillus subtilis D.

11. The total biomass of an organism will be determined by the nutrient present in the lowest concentration relative to

11. The total biomass of an organism will be determined by the nutrient present in the lowest concentration relative to

1. Which of the following is not the characteristic of a growth curve? A.     Shows development of microbial population

6. Implicit factors A. depend on developing microflora B. can be synergistic C. both (a) and (b) D. none of

1. Which of the following is not the characteristic of a growth curve? A.     Shows development of microbial population

31. Peptone water and nutrient broth are A.     selective media B.     enriched media C.     basal media D.

16. Important example(s) of enriched medium/media is/ are A.     Loeffler’s serum slope B.     Bordet-gengou medium C.     Blood

26. Which of the following hint(s) suggest/s that a given specimen is likely to contain anaerobic bacteria? A. Gas in

21. A medium containing crystal violet dye plus sodium deoxycholate will allow A. gram (-)ve intestinal bacteria to grow B.

16. Important example(s) of enriched medium/media is/ are A.     Loeffler’s serum slope B.     Bordet-gengou medium C.     Blood

11. Mac-Conkey medium is an example of A.     transport medium B.     enrichment medium C.     differential medium D.

6. Which of the following chemotherapeutic agents may affect the growth of Campylobacter jejuni? A.     Vacomycin B.     Polymyxin