Microbes as Biofertilizers

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Microbes as Biofertilizers: Overview

This Topic covers sub-topics such as Biofertilizers

Important Questions on Microbes as Biofertilizers

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Due to which of the following organisms, the yield of rice has been increased?

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A nonphotosynthetic aerobic nitrogen fixing soil bacterium is -

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Advantage of using Glomus as a biofertilizer is

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The substances containing living microorganisms which help to increase the soil nutrients are called

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BGA (Blue-green algae) is chiefly used as biofertilizer in the crop of

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Farmers have reported 50% higher yield of rice by using biofertilizer

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Aquatic fern which is an excellent biofertilizer is

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Which non-symbiotic bacterium fixes free atmospheric nitrogen?

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A bacterium found in root nodules of legume plants is

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An alga, used as biofertilizer is 

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Which organisms show a symbiotic relationship with Azolla pinnata?

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Biofertilizer for raising soybean crops is

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Read the following statements in relation to the use of microbes and select the option with correct statements.
a. The main sources of biofertilizers are bacteria, cyanobacteria, and fungi.
b. Organic farmer works to create a system where pests are kept at manageable levels
c. Trichoderma species are effective biocontrol agents of very few plants pathogens.

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Which of these forms a symbiotic association with roots and helps to improve phosphorus uptake?

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What is correct with respect to biofertilizers?

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Aquatic fern which is an excellent biofertilizer is

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(i) Anabaena lives symbiotically with Azolla.

(ii) Azotobacter is a free-living N2 fixer in the soil.

Which of the statements given above is/are correct?

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The plasmid of which one of the following has 'Nif' gene in it?

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Biofertilizers include

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Which of the following is a non-symbiotic biofertilizer?