Spread plate method measures viable cells while the spectrop

Spread plate method measures viable cells, while the spectrophotometric method measures dead cells. True False A1: 10 dilution is equalto a 1/9 dilution. True False

Solution

Question 2: The spread plate technique is a technique to count living cells that develop colonies growing on a nutrient medium, while as spectrophotometer is used to measure turbidity as an indirect way to count the cell density without distinguishing living or dead cells.

Therefore, the correct option is \'False\'

Question 3:

1:10 dilution represents that one part of stock sample is added to 9 parts of diluents and dilution is calculated as below:

Dilution = Volume of the sample

Total volume of the sample + diluent volume

Thus, Dilution= 1/1+9= 1/10 or 1:10

Therefore, correct option is \'False\"