Question

what are the necessary conditions for autotrophic nutrition ? what are its byproducts?

Answer 1

The prescence of important inorganic substances like CO2 and water is very essential.
Also the prescence of chloropyll to capture the sunlight is very necssary.
The byproducts of the process of autotrophic nutrition that is photosynthesis are Glucose [ C6H12O6] & Oxygen[O2].

Answer 2

autotrophic nutrition is the making food by self. the only way is PHOTOSYNTHESIS.
SO,necessary conditions for it are as follows:-
1) presence of sunlight
2)water and other organic and inorganic substances(from soil)
3) CO2
ITS BY PRODUTS ARE
glucose (C6H12O6), O2,AND ENERGY+H20