Biology
Grade-7
Easy
Question
Pick the odd one out.
- Nitrogen
- Phosphorous
- Potassium
- Rhizobium
Hint:
- Rhizobium is a biofertilizer
The correct answer is: Rhizobium
- Rhizobium are the fungi that form an endosymbiotic relationship with roots of legumes
- Rhizobium are the biofertilizers that fixes atmospheric nitrogen and make it available to the plants
- Nitrogen, phosphorus, potassium comes under inorganic fertilizer.
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