Q. Identify the role of lectins in the formation of root nodules in legumes : (a) Formation of shepherd's crook. (b) Recognition of compatible Rhizobium by host. (c) Formation of peribacterial membrane.…
Q. Minerals involved in carbohydrate translocation, maintaining ribosome structure and activation of nitrogenase are respectively : (a) Mn, B, Ca (b) Ca, Mg, Mo (c) B, Mn, Mo (d) B,…
Q. Consider the following statements : (i) sulphur is present in two amino acids cysteine and valine. (ii) Lower level of N,K,S and Mo causes inhibition of cell division. (iii)…
Q. Which of the following is not non-essential element for plants : (a) Potassium (b) Sodium (c) Aluminium (d) Cobalt Solution : Correct option : A Non - essential elements…