Question

The concentrations of some essential minerals are much higher in the vascular cylinder of roots than in the soil solution around the roots What is the best explanation for this observation? O Essential minerals are also needed by other organisms in the soil, depleting the minerals in the soil Essential minerals accumulate in the apoplast reaching higher concentrations than in the soil. O Some essential minerals are taken into the symplast by active transport O Essential minerals are actively transported into the vascular cylinder by the Casparian strip Submit Reguest

Answer 1

Answer:

Some essential minerals are taken into the symplast by active transport

Explanation:

The soil solution contains minerals and water. The water gets absorbed by the roots via the process of passive transport called osmosis through aquaporins but the ions are unable to pass through the passive transport and require energy in the form of ATP and thus is known as active transport.

As the absorption of the mineral is an active process, therefore, minerals are absorbed against their concentration gradient and as a result, the minerals can be accumulated in the roots in much higher concentration than the soil solution.

Thus, the selected option is the correct answer.