No.

Conditions

Colonial growths

1

The control petri dish had around 75 countable colonies. It marked the optimum growth as compared to the other petri dishes

75 colonies

2

The petri dish whose lid was covered with sun screen 50

60 colonies

3

The petri dish that was covered with a cotton cloth

25 colonies

4

The petri dish that was covered with polyester cloth

15 colonies