Agricultural Use
Agricultural Uses of Micro Organisms
Blue-green algae and bacteria like Rhizobium (that live in the root nodules of leguminous plants like pea and soya bean) help in fixing atmospheric nitrogen and increasing soil fertility.
Which of the following are correct : (a) Some soil bacteria and fungi form relationships with plant roots that provide important nutrients like nitrogen or phosphorus. (b) Nitrification is the biological oxidation of ammonia to nitrite. (c) Rhizobium live in the root nodules of leguminous plants like pea and soya bean. | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following are correct : (a) Denitrification is the process that converts nitrate to nitrogen gas. (b) Nitrification is the process that converts nitrate to nitrogen gas. (c) Blue-green algae and bacteria like Rhizobium help in fixing atmospheric nitrogen and increasing soil fertility
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| Right Option : C | |||
| View Explanation | |||
The algae commonly used as fertilisers are called _________________ | |||
| Right Option : C | |||
| View Explanation |
Students / Parents Reviews [10]
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