EASY
Earn 100

Biofertilizers include

50% studentsanswered this correctly

Important Questions on Microbes in Human Welfare

MEDIUM
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
Write two sources of biofertilizers.
MEDIUM
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
In which microorganism Nif gene is found?
MEDIUM
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
Define biofertilisers.
EASY
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
Give an example for a fungus found in mycorrhiza.
EASY
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
Your advice is sought to improve the nitrogen content of the soil to be used for the cultivation of a non-leguminous terrestrial crop. Recommend two microbes that can enrich the soil with nitrogen.
MEDIUM
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
Why do farmers prefer biofertilizers to chemical fertilizers these days? Give two points. 
MEDIUM
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
Give an example of endomycorrhiza.
EASY
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
How do Blue-green algae or Cyanobacteria work as biofertilizers? Explain.
MEDIUM
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers

Your advice is sought to improve the nitrogen content of the soil to be used for the cultivation of a non-leguminous terrestrial crop.

Why do leguminous crops not required such enrichment of the soil?

EASY
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers

Give a reason for each of the following:

Cyanobacteria increase the productivity in paddy fields.

MEDIUM
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
How do biofertilizers increase the fertility of soil?
EASY
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
Which of the following is a non-symbiotic biofertilizer?
MEDIUM
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
Differentiate between chemical fertilizers and biofertilizers.
HARD
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
Draw a labelled diagram of Anabaena filament showing Akinetes and Heterocyst.
EASY
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
What are cyanobacteria? Write the name of any two cyanobacteria.
EASY
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
Name two bacteria which are used as biofertilizer.
EASY
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
How Bio-fertilizers increase the fertility of soil?
EASY
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers

Give the biological names of the following:

A symbiotic nitrogen-fixing bacterium found in root nodules.

MEDIUM
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
Identify free-living bacterial biofertilizer.
EASY
Biology>Biology in Human Welfare>Microbes in Human Welfare>Microbes As Biofertilizers
Which of the following helps in absorption of phosphorus from soil by plants?