Question

how do you observe formation of bacterial colony in milk​

Answer 1

Answer:

Good question

Explanation:

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Answer 2

Answer:

Explanation:

1) Take a tea spoonful of curd and mix it throughly with around 30 tea spoonful of (half of the glass) luke warm milk in a bowl.

2) Take another tea spoonful of curd and mix it with 30 tea spoonful of cold milk in another bowl.

3) Cover both the bowls and note the initial time. •

4) Keep observing every hour to see whether curd has formed. •

5) Curdling indicates that the increase in number of bacteria.

6) Note the time taken for formation of curd in both the bowls.