Bacterial Growth Online Quiz Questions And Answers

31. The orderly increase in the quantity of all the cellular components is known as
a. Reproduction
b. Growth
c. Binary fission
d. None of these
Ans: B

32. The most common mode of cell division in bacteria is
a. Binary fission
b. Transverse binary fission
c. Longitudinal binary fission
d. None of these
Ans: C

33. How much time a bacterium take for the complete duplication?
a. 30 min.
b. 10 min.
c. 20 min.
d. 25 min.
Ans: C

34. The generation time is
a. The time required for the cell to divide
b. The total division of the cell during its life time
c. The total no.of cells formed
d. None of these
Ans: C

35. In bacteria, the increase in population is in the manner
a. Geometric progression
b. Multiplication
c. Doubling
d. None of these
Ans: A

36. Physiologically the cells are active and are synthesizing new protoplasm in which stage of the growth in bacteria
a. Log phase
b. Lag phase
c. Stationary phase
d. None of these
Ans: C

37. The most active stage in the sigmoid curve of bacteria in which maximum growth is attained
a. Lag phase
b. Stationary phase
c. Decline phase
d. Log phase
Ans: D

38. Log-phase is also known as
a. Death phase
b. Exponential phase
c. Lag-phase
d. None
Ans: C

39. The no. of generations per hour in a bacteria is
a. Growth rate
b. Generation time
c. Sigmoid curve
d. None of these
Ans: B

40. In the sigmoid curve (or) growth curve of bacteria how many stages are there
a. 3
b. 4
c. 2
d. 5
Ans: B

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