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Question
Blue green algae and bacteria like Pseudomonas are also extensively used to fix ____________ from atmospheric air.
Blue green algae and bacteria like Pseudomonas are also extensively used to fix ____________ from atmospheric air.
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Solution
The correct option is B Nitrogen
Plants maintain soil fertility. Their droppings and shedding of leaves, fruits and other parts degrade in the soil to form humus. This humus increases soil fertility.
- Example:Blue green algae and bacteria like Pseudomonas are also extensively used to fix nitrogen in the soil for agriculture.
Plants maintain soil fertility. Their droppings and shedding of leaves, fruits and other parts degrade in the soil to form humus. This humus increases soil fertility.
- Example:Blue green algae and bacteria like Pseudomonas are also extensively used to fix nitrogen in the soil for agriculture.
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