Q. Phosphorus is absorbed by the plants as I. $H_{2}PO_{4}^{-}$ II. $HPO_{4}$ III. $HPO_{4}^{2 -}$ IV. $H_{2}PO^{-}$
A) Only I
B) Only III
C) I and III
D) Only II
Explanation
Phosphorus is absorbed by the plants from soil in the form of phosphate ions either as $H_{2}PO_{4}^{-}$ or $HPO_{4}^{2 -}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.