Biology
Grade-7
Easy
Question
__________ are dissolved in soil water, which is absorbed by plant roots.
- Nitrogen
- Sulfur
- Ions
- Ammonium
Hint:
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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