Show with the help of a sketch that the plant are the ultimate source of food.

The ultimate source of variations is

Which of the following is the ultimate source of energy

A plant that manufactures its own food is

Petroleum refining and natural gas plant are the main sources of

CAM helps the plants in

Newspaper and media report about the alarming increase in pesticides level in packed food items Some states have even banned these food items . What are the sources of these pesticides in these food items?

Illustrate with the help of a diagram, the effect of auxins in different parts of a plant.