E-PolyLearning

56. Colony formation can be observed in liquid media broth.
a. True
b. False
c. May be
d. Can't say
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Answer: (b).False

57. Which of the following is a Complex media for fungal growth?
a. Nutrient broth
b. Luria-Bertani media
c. Potato Dextrose Agar(PDA) media
d. Mac Conkey Agar media
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Answer: (c).Potato Dextrose Agar(PDA) media

58. Which of the following are functions of Maintenance Media?
a. used for assay of vitamins,amino acids
b. used for determining the bacterial content
c. used for determining the type of growth produced by bacteria
d. used for the maintenance of the viability and physiological characteristics
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Answer: (d).used for the maintenance of the viability and physiological characteristics

59. Which of the following bacteria requires nicotinic acid as a growth factor in their media?
a. Proteus vulgaris
b. Nitrosomonas sp.
c. E. coli
d. Leuconostoc mesenteroides
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Answer: (a).Proteus vulgaris

60. The temperature that allows for most rapid growth during a short period of time is known as __________
a. Minimum Temperature
b. Maximum Temperature
c. Optimum Temperature
d. Growth Temperature
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Answer: (c).Optimum Temperature