Biology
Grade-7
Easy
Question
High amounts of nitrogen are absorbed from ___________.
- Leaves
- Soil
- Air
- All of the above
Hint:
Roots are responsible for absorbing nitrogen.
The correct answer is: Soil
- Nitrogen is important for plant growth and development
- Nitrogen is absorbed by the roots of the plant
- In leguminous plants, the roots contains beneficial bacteria called rhizoboum which helps in nitrogen fixation
- The bacteria converts nitrogen into ammonia which can be used by plants
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