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

The autotrophic mode of nutrition requires

Right Option : D
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Question : 2

Which  of the following are correct ?

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

(b) Green plants take carbon dioxide from the air and water and minerals from the soil through the stem.

(c) The green coloured pigment called chlorophyll .

Right Option : C
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Question : 3

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 autotrophs prepare their own food by utilising chemical energy and they are called hydroautotrops.

(c) Green plants take carbon dioxide from the air and water and minerals from the soil through the roots.

Right Option : A
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