Common Bacterial Growth Objective Type Questions And Answers

51. The number of ATP molecules formed during cyclic phosphorylation are
a. One
b. Two
c. Four
d. Six
Ans: D

52. Artificial transformation in laboratory is carried out by treating the cells with
a. MgCl2
b. Cacl2
c. NaCl
d. HCl
Ans: B

53. The process of formation of mesozygote is called
a. Meromixis
b. Exozygote
c. Mitosis
d. Meiosis
Ans: A

54. Which of the following organisms requires tryptophan for growth?
a. H.influenza
b. Vibrio
c. Gonococci
d. S.typhi
Ans: D

55. Tubercular bacilli grow best in
a. Absence of O2
b. Presence of CO2
c. Presence of O2
d. None of these
Ans: B

56. Mycotoxins are formed during the end of
a. Lag phase
b. Log phase
c. Death phase
d. Stationary phase
Ans: A

60. The suitable temperature to transport viral culture is –
a. 30oC
b. 5oC
c. 25oC
d. 45oC
e. None of these
Ans: B

61. Growth curve does not include following phases of bacteria –
a. Decline phase
b. Stationary phase
c. Lag phase
d. Synchronous growth
Ans: D

62. Bacteria are more sensitive to antibiotics at which phase of growth curve?
a. Decline phase
b. Stationary phase
c. Lag phase
d. Log phase
Ans: D

More Questions & Answers:-
Page1 Page2 Page3 Page4 Page5 Page6