KCET · BIOLOGY · STD 12 - 8. Microbes in Human Welfare
A farmer has applied chemical fertilisers in his crop field for many successive season. In the next season, the crop growth was poor as soil lost its fertility.
Suggest the suitable micro-organisms that replenishes the fertility of soil in his field.
- A Spirulina
- B Nostoc
- C Chlorella
- D Spirogyra
Answer & Solution
Correct Answer
(B) Nostoc
Step-by-step Solution
Detailed explanation
(B) Nostoc,
Biofertilizers are the supstances that contain microbes which ehlps in promoting the growth of plant & trees by increasing the supply of essential nutrients. Cyanobacteria like Anabaena, Nostoc and Oscillatoria plant growth.
Biofertilizers are the supstances that contain microbes which ehlps in promoting the growth of plant & trees by increasing the supply of essential nutrients. Cyanobacteria like Anabaena, Nostoc and Oscillatoria plant growth.
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