Q.

Which among the following elements increases the absorption of water and calcium in plants?

A. Manganese
B. Boron
C. Copper
D. Molybdenum
Answer» B. Boron
Explanation: Boron increases the absorption of water and calcium in the plants. It helps in the metabolic activities in plants. Boron is necessary in order for sugar to move through protoplasmic membranes.
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