Distinguish between Sympathetic system and Parasympathetic system on the basis of heartbeat.

Meena covered a potted plant as shown below with a transparent plastic bag. She observed water droplets inside the bag after a few hours when kept in sunlight.

(a) Name the process that resulted in the formation of water droplets inside the bag.

(b) Define the process mentioned above.

Draw a neat, labelled diagram to show the internal structure of a root hair.

How does the ozone layer depletion affect life on earth?