Biology
Grade-7
Easy

Question

__________ are dissolved in soil water, which is absorbed by plant roots.

  1. Nitrogen
  2. Sulfur
  3. Ions
  4. Ammonium

hintHint:

Atom which exists with net electrical charge.

The correct answer is: Ions


    • Ions are atoms existing with net electrical charge
    • The ions can be positive or negative
    • Some ions are required by the plants for its normal growth and development
    • Magnesium, phosphorous, manganese are few ions required by the plants for its growth
    • These ions are present in the soil and are taken up by the plants through the roots

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