Biotechnology Engineering (M.Phil./Ph.D.) 2020 Panjab University Entrance Exam With Answers
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40.
Trypan blue was added to the cell suspension for cell counting. The dye penetrated some of the cells while others did not acquire color. The viability index (% viability) of cells can be calculated by which of the following formula;
A:
Total Cells minus Colored Cells x 100
B:
Total Cells minus non colored cells x 100
C:
Number of colored cells /total no. of cells x 100
D:
Number of non-colored cells /total no. of cells x 100