The major portion of the dry weight of plants comrises of
Or
Frame work elements in plants are

Options

A. Carbon, hydrogen, and oxygen
B. Nitrogen, Phosphorus and potassium
C. Calcium, maganesium and sulphur
D. Carbon, nitrogen and hydrogen

Explanation

Carbon, hydrogen and oxygen together consitute about 94 % of the total dry weight of the plant. Frame work elements : C, H, N, O, P,S , these six elements are called as frame work elements which constitudem the body of plants.