Which one of the following statements about transport mechanism in plants is correct ........

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Which one of the following statements about transport mechanism in plants is correct?

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CAPF 2018 Paper-1

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Diffusion of ions and small molecules across cell membrane requires energy.

Active transport of ions and small molecules across cell membrane against concentration gradient requires energy.

Cells conserve energy and no energy is required for transport of ions and small molecules against concentration gradient.

Cells do not transport ions across their membrane as these are charged molecules.

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Explanation:

The plant body is generally divided into roots, stem, and leaves. The roots are in the soil, which is the major source of nutrients in plants. Water and other nutrients enter the plant through the roots. The leaves are the food production centres. Using the sunlight and Carbon dioxide they synthesize food through photosynthesis in the chloroplasts.

Now, food from the leaves has to reach the other parts and the water, along with other nutrients has to reach leaves and other parts. All of this takes place through the vascular tissues of the plants. This is basically the transportation in plants.