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Question
Define estuary.
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Solution
Estuaries are places where rivers meet the sea and may be defined as areas where saltwater is measurably diluted with freshwater.
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RELATED QUESTIONS
Find out the role of microbes in the following:
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State any three benefits of mycorrhiza.
______ are nitrogen fixing micro-organisms.
From the following pairs of microbes, identify the pair that has both the microbes that can be used as Biofertilizers.
Mycorrhiza does not help the host plant in ______.
Match the pairs:
| Column A | Column B | ||
| (i) | Compost making biofertilizer |
(a) | Azotobacter |
| (ii) | N2 fixing biofertilizer | (b) | Mycorrhiza |
| (iii) | Fungal biofertilizer | (c) | Agrobacterium |
| (iv) | Phosphate solubilizing biofertilizer |
(d) | Actinobocteria |
Which cyanobacterium lives in association with the water fern Azolla and is widely used in paddy fields?
How do biofertilizers differ from chemical fertilizers in their effect on soil microorganisms?
Which organisms are classified as nitrogen-fixing microbes that convert atmospheric nitrogen into usable forms?
Which biofertilizer system is particularly significant for rice cultivation in paddy fields?
