Biology
Grade-7
Easy
Question
The given picture illustrates the use of _________________ by plant.
- Inorganic fertilizer
- Biofertilizer
- Insecticide
- Herbicide
Hint:
Bacteria acts as biofertilizer for the plants
The correct answer is: Biofertilizer
- The given picture shows uptake of phosphorus by the roots of plants
- The phosphorus is first converted from non absorbable form to the absorbable by the bacteria
- The bacteria , fungi etc are biofertilizers
- These are phosphate solubilising bacteria
- It is then absorbed by the root system
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