Question

Ca${}^{2+}$ is an essential element in plants. The major function it performs is

• A. Selective permeability of the cell membrane
• B. Maintenance of the cell turgidity
• C. Energy transfer
• D. Binds the cells in the cell wall

Answer 1

The correct option is D Binds the cells in the cell wall

The nutrients plants need are categorized into three different categories main nutrients, micronutrients and trace elements. Calcium along with Iron, Zinc, Manganese, Magnesium, etc is a micronutrient. In the form of Calcium Pectate, calcium holds the cell walls of plants together. It also activates specific plant enzymes, which send signals to the plant cells that coordinate certain growth activities.

So, the correct option is 'Binds the cells in the cell wall'.