NUTRITION IN PLANTS- CLASS 07 - BEST NOTES
NUTRITION IN PLANTS Nutrition is the process of taking food by an organism and digestion absorption and utilisation by the body. Modes of nutrition 1. Autotrophic mode of nutrition The word 'auto' self and 'tropic' means nutrition. Thus, autotrophic means 'self nutrition'. The mode of nutrition in which an organism makes its own food from simple substances like carbon dioxide water and minerals present in the surrounding School autotrophic nutrition and that organism is called autotrophs. All green plants and some bacteria prepare their own food by autotrophic mode of nutrition thus, they are autotroph. 2. Hetrotrophic mode of nutrition The word 'hetros' means other and 'trophos' means nutrition . Thus, hetrotrophic means nutrition' obtained from other'. The mode of nutrition in which an organism can not make its own food from the simple substances that obtains ready made food...