Consider the statements and choose the correct options. (i) The deficiency of any element can cause multiple symptoms. (ii) Same symptoms may be caused by the deficiency of one or several different elements. (iii) The concentration of the essential element below which plant growth is retarded is termed as critical concentration. (iv) Chlorosis is the loss of chlorophyll due to deficiency of N, K, Mg, Fe, S, Mn, Zn, Mo. (v) Different plants respond differently to the deficiency of the same element.

• A. All are the above
• B.        (i) and (iv)
• C.        (i) and (iii)                     
• D.        (iii) and (iv)