Autotrophic Nutrition


 
 
Concept Explanation
 

Autotrophic Nutrition

Autotrophic Nutrition

The mode of nutrition in which an organism makes its own food is called autotrophic nutrition. All green plants making own food by the process of photosynthesis. Green plants are called producers or Autotroph, as they are capable of preparing their own food with the help of some non-living factors of the environment. Green plants take carbon dioxide from the air and water and minerals from the soil through the roots. The green coloured pigment called chlorophyll present in the leaves of plants traps energy from the sunlight.

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Sample Questions
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Question : 1

Which of the following are correct ?

(a)  The mode of nutrition in which an organism makes its own food is called autotrophic nutrition.

(b) The green coloured pigment called chlorophyll are present in the leaves of plants .

(c)  The autotrophs prepare their own food by utilising chemical energy they are called chemoautotrophs.

Right Option : D
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Question : 2

Read the following statements carefully and choose the correct options.

  • 1. The only organisms that can make their own food are plants.
  • 2. Autotrophic is a mode of nutrition.
Right Option : C
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Question : 3

Plants are called autotrophs. Which of the following statement is correct?

Right Option : A
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