Question

Number of elements needed for healthy growth and development of plants is

• A. $16$
• B. $24$
• C. $34$
• D. $10$

Answer 1

Answer: (A)

$16$

Essential elements needed for growth and development of plants are 16 in number. These are macronutrients as well as micronutrients. For example, C, H, O, N, P, K, S, Mg, and Ca are macronutrient whereas Fe, B, Mn, Cu, Zn, Mo, and Cl are micronutrients.

Thus, the correct option is A.