Which one of the following pairs is wrongly matched?
1. Delayed flowering - N, S, Mo
2. Inhibition of cell division - Ca, Mo, Cu
3. Components of biomolecules - C, H, O, N
and cell
4. Components of energy - Mg, p
-related molecules
Which of the following statements is correct?
(a) The deficiency of any element can cause multiple symptoms.
(b) The same symptoms may be caused by the deficiency of one of several different elements.
(c) The concentration of the essential below which plant growth is retarded is termed as critical concentration.
(d) Chlorosis is the loss of chlorophyll due to the deficiency of N, K, Mg, Fe, S, Mn, Zn, and Mo.
(e) Different plants respond differently to the deficiency of the same element.
(1) All of these
(2) Only (a) and (d)
(3) Only (a) and (c)
(4) Only (c) and (d)