What is Nutrition in Plants

Nutrition in Plants

 

Classification On The Basis Of Mode Of Nutrition

 

Plants can be divided into two groups on the basis of their mode of nutrition.

 

  1. AUTOTROPHIC
  2. HETEROTROPHIC

 

  1. Autotrophic Nutrition

 

Definition

Autotrophic nutrition is the type of nutrition in which organic compounds are manufactured from available inorganic raw material taking from sun’oundings”.ln autotrophic nutrition, the nutrients do not require to be pretreated or digested before taking them into their cells.

 

Two Methods of Autotrophic Nutrition

 

On the basis of source ofenergy, autotrophic nutrition can be sub-divided into following sub-types.

 

(l) Phototrophic Nutrition

(II) Chemotrophic Nutrition

 

  1. Phototrophic Nutrition

 

Definition

The type of autotrophic nutrition is which organic molecules are manufactured from simple inorganic molecules by using light energy as a source is called Phototrophic Nutrition.

 

Example

  1. Green Plants
  2. Photosynthetic Bacteria

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