Question

In what form is boron absorbed by plants from the soil? Mention its two uses in plants and give two deficiency symptoms of boron in them. 

Answer 1

Boron is absorbed as H₂PO_4-  and HPO₂^2-

• Translocation of carbohydrates
• Pollen germination

Deficiency symptoms

• Death of root and shoot tips
• Abscission of flowers