iNTRODUCTION

These are the four main life processes we are going to study in this chapter.

NUTRITION   NUTRIENTS: The chemicals present in food that provide us with energy, raw materials for body building & regulates various processes.

How plants obtain carbon dioxide?

DICOT PLANTS --> dorsiventral UPPER SIDE OF LEAF - LESS STOMATA LOWER SIDE OF LEAF - MORE STOMATA MONOCOT PLANTS -->tsobilateral UPPER AND LOWER SIDE OF LEAF - EQUAL