#biofertilizer

Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria

Which of the following biofertilizers is most effective in increasing nitrogen content in paddy fields?

Nostoc, a cyanobacterium, fixes atmospheric nitrogen, enriching soil fertility in paddy fields.

Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria

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Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria

Which of the following is a bacterial biofertilizer commonly used in rice fields?

Azospirillum is a free-living nitrogen-fixing bacterium that improves soil fertility in rice fields.

Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria

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Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria

Which of the following is a fungal biofertilizer that forms a symbiotic association with plant roots?

Glomus forms mycorrhizal associations with plant roots and enhances phosphorus absorption.

Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria

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Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria

Which of the following is an example of a nitrogen-fixing cyanobacterium?

Anabaena is a nitrogen-fixing cyanobacterium that helps improve soil fertility.

Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria

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Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria

Which microbial biofertilizer enhances plant phosphorus uptake?

Glomus forms mycorrhizal associations with plants and enhances phosphorus absorption.

Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria

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Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria

Which biofertilizer helps in phosphorus absorption for plants?

Glomus forms mycorrhizal associations with plant roots and enhances phosphorus absorption.

Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria

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Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria

Which of the following is an example of a cyanobacterium used as a biofertilizer?

Anabaena is a nitrogen-fixing cyanobacterium used as a biofertilizer.

Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria

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Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria

Which bacterium is commonly used as a biofertilizer for leguminous plants?

Rhizobium forms a symbiotic association with leguminous plants and fixes atmospheric nitrogen.

Ref: NCERT Class 12 Biology Chapter 8: Microbes in Human Welfare Microbes as Biofertilizers - Rhizobium Azospirillum Mycorrhiza Cyanobacteria

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