Rajesh set up an experiment as shown in the figure.
He placed two cockroaches in both the jars X
and Y. The cockroaches in jar X were given air
and water. The cockroaches in jar Y were given
air, water and food. From his experiment Rajesh was trying to find out ___.
AWhether the cockroaches need air to live
BWhether the cockroaches need food to live
CWhether the cockroaches need water to live
DWhether the cockroaches can live together in the dark
b