Quiz

Q1: In a culture of bacteria, a sample is taken at 10:00AM and contains 1000 cells per ml. A second sample at 8:00PM has 10,000 cells per ml. what is the generation time ?

Q2: A scientist wants 20,000/ml E.Coli cells for his molecular biology experiment, he has inoculated 1000 cells at around 8:00PM. The generation time of E.coli is 20 mins. Please tell when he should harvest the culture?

Q3: What is the significance of lag phase in bacterial growth curve?

Q4: Which mode of cell division is most common in bacteria?

Q5: The unit of measurement in the turbidimetric method of measuring bacteria growth ?