The aquatic fern which supports the growth of blue-green algae,$Anabaena$,and increases the yield of paddy crops is .......
- A$Salvinia$
- B$Marsilea$
- C$Isoetes$
- D$Azolla$
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Similar Questions
Identify the correct statements regarding mycorrhiza:
$(1)$ Many members of the genus $Glomus$ form mycorrhiza.
$(2)$ It is responsible for all mineral absorption from the soil.
$(3)$ Such associations show benefits against drought and salinity in plants.
$(4)$ Mycorrhiza is a symbiotic association between fungi and roots of higher plants.
$(1)$ Many members of the genus $Glomus$ form mycorrhiza.
$(2)$ It is responsible for all mineral absorption from the soil.
$(3)$ Such associations show benefits against drought and salinity in plants.
$(4)$ Mycorrhiza is a symbiotic association between fungi and roots of higher plants.
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View SolutionIn paddy fields, . . . . . . serves as an important biofertiliser.
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View SolutionWhich of the following statements is incorrect?
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View SolutionAzolla is used as a biofertilizer because it
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View Solution$BGA$ (Blue-Green Algae) is mostly used as a biofertilizer in which crop?
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