Question

what is autotrophic mode of nutrition?

Answer 1

The mode of nutrition in which organisms prepare their own food mainly by photosynthesis is called the autotrophic mode of nutrition.
Auto means - self and trophism means nutrition.

Answer 2

Hello!

Here is your answer!
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See and autotrophic mode of nutrition means those who prepares their own food and we know that the producers that is green plants prepares their own food.

In simple words  the first word auto..which means by themselves..

How is it produced?

Well we can take the following reaction here:

CO2 + H2O ------› C6H12O6(Glucose) + H2O

And this reaction is only applicable if there is sufficient light is present.

 For a plant to photosynthesis it is necessary that it should have chlorophyll .

 And you must be well aware about the main role of the chlorophyll that is to absorb energy from the light.

And light energy is converted into chemical energy.
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Hope it helps!