NUTRITION CLASS 10 CHAPTER 6


NEXT TOPPER INSTITUTE 

LIFE PROCESS : The process which maintain body function and necessary for survival are called life process. or 
All the processes which together keep the living organisms alive and perform task to maintains the body are called life processes. 
 NUTRITION                  :  FOOD ,PROTEIN 
RESPIRATION               :  BREATHING 
TRANSPORTATION     : TRANSFER  OF FOOD 
EXCRETION                  :  THROUGH  ANUS 

Nutrition : 
THE PROCESS OF TAKING NUTRIENTS FROM FOOD IS CALLED NUTRITION 
EX: WATER ,VITAMINS ,MINERALS ,CARBOHYDRATES ,FATS ETC 

TYPES OF NUTRITION : THERE ARE TWO TYPES OF NUTRITION 

1. AUTOTROPHIC NUTRITION 

2. HETEROTROPHIC NUTRITION 

1. AUTOTROPHIC NUTRITION :
                                                          It is a process in which organism produces their food from                                                                    simple inorganic material (water ,co2 ) in the presence of                                                                      sunlight . Sunlight have energy in the form of light . Light                                                      is a electromagnetic wave , which radiated energy in                                                            form of EMW.
ex .plants 
ex : lion ,human being 

2. HETEROTROPHIC NUTRITION  :   In this organism depend upon organisms for food
                                                                               to survive . example human being , lion ,amoeba                                                                                      etc
                                                   
TYPE OF HETEROTROPHIC NUTRITION 

1. HOLOZOIC NUTRITION
  
2. PARASITIC NUTRITION 

3. SAPROPHYTES NUTRITION 

1. HOLOZOIC NUTRITION : The mode of nutrition that involves ingestion ,digestion , absorption and assimilation of liquid of solid organic material 
example : human being ,animals etc
2. PARASITIC NUTRITION : The mode of nutrition in which organism obtain food from another organism without killing them .
example mosquito , Tapeworm 
3. SAPROPHYTES NUTRITION : The mode of nutrition in which organism obtain food from dead and decaying organic matter . example bateria , fungi etc,
                                   

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