Draw labelled diagrams of a closed and an open stomata

What mode of nutrition is shown in this picture-autotrophic or heterotrophic?

What is the type of nutrition displayed?

Anita put a few drops of iodine on the leaf given alongside (after it was de-starched and made colourless).

Which part of the leaf will turn the iodine bluish-black and why?

Analyse how bean plants help the soil.

Evaluate and justify whether it is a good idea to grow bean plants along with wheat plants.