Question

How plants get nutrients ?

Answer 1

Plants get nutrients by three ways :

1) From soil

2) From Water

3) From air

There are 17 essential nutrients required by the plants . The essentiality of a nutrients depends on :

• It should be necessary for normal growth and reproduction . In their absence , plants cannot complete their life cycle .

• They should be not replaceable.

• They should be directly involved in plant metabolism.

Out of these 17 nutrients , 2 nutrients ( Carbon and Oxygen) are derived from air , 1 (Hydrogen) from water and 14 from Soil .

These nutrients are divided into macronutrient (9 in number) which are required in large quantities and micronutrients (8 in number) required in small quantities.

Answer 2

Answer:

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Plants, as well as all living things, need nutrients and minerals to thrive. These chemical elements are needed for growth, metabolic functioning, and completion of its life cycle. Plants take in Carbon (C) and Oxygen (O2) in the air from their leaves.

Plants take up essential elements from the soil through their roots and from the air (mainly consisting of nitrogen and oxygen) through their leaves. Nutrient uptake in the soil is achieved by cation exchange, wherein root hairs pump hydrogen ions (H+) into the soil through proton pumps.

Water helps a plant by transporting important nutrients through the plant. Nutrients are drawn from the soil and used by the plant. Without enough water in the cells, the plants droop, so water helps a plant to stand. Water carries the dissolved sugar and other nutrients through the plant.

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