Which plastids are involved in storage of food ?

Which organ is involved in reflex action?

Which reactants are involved in Mendius reaction?

Which part of the digestive canel is involved in: - absorption of food ____________.

Which part of the digestive canel is involved in: - chewing of food ________.

Stems of some plants remain in the ground and serve the functions of perennation and storage of food. Give examples.

Which enzyme is involved in N fixation?