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Ask Microbes Biogas Biocontrol Agents And Biofertilisers question free ×
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Microbes Biogas Biocontrol Agents And Biofertilisers Free Doubts and Solutions

CBSE - XII Science - Biology - Microbes in Human Welfare

Explain the role of baculovirus as biocontrol agents. Mention their importance in organic farming.

Asked by pksunilnair 3rd October 2017, 3:43 PM
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CBSE - XII Science - Biology - Microbes in Human Welfare

Asked by poojaparmar065 22nd March 2015, 6:03 PM
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CBSE - XII Science - Biology - Microbes in Human Welfare

QUESTION : 1 organism are being used as fertiliser and bioweapons. comment and give examples from each group.
 
 
QUESTION 2: WHAT IS FULL FORM OF SCID ANF RFLP.

Asked by poojaparmar065 21st March 2015, 11:56 AM
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CBSE - XII Science - Biology - Microbes in Human Welfare

    The above diagram shows a typical biogas plant. Explain the sequence of events occurring in a biogas plant. Identify a, b and c.

Asked by Topperlearning User 24th June 2014, 3:58 PM
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CBSE - XII Science - Biology - Microbes in Human Welfare

Describe a biogas plant in brief.

Asked by Topperlearning User 24th June 2014, 3:53 PM
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CBSE - XII Science - Biology - Microbes in Human Welfare

(a) What are biopesticides? Give any two examples of their application. (b) What are mycorrhizae? How do they act as biofertilisers?

Asked by Topperlearning User 11th June 2014, 9:25 AM
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CBSE - XII Science - Biology - Microbes in Human Welfare

(a) Baculoviruses are excellent candidates for integrated pest management in an ecologically sensitive area. Explain giving two reasons. (b) What is organic farming? Why is it suggested to switch over to organic farming?

Asked by Topperlearning User 11th June 2014, 9:25 AM
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CBSE - XII Science - Biology - Microbes in Human Welfare

Why should biological control of pests and pathogens be preferred over the conventional use of chemical pesticides? Explain how the following microbes act as biocontrol agents: (a) Bacillus thuringiensis (b) Nucleopolyhedrovirus

Asked by Topperlearning User 11th June 2014, 9:25 AM
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CBSE - XII Science - Biology - Microbes in Human Welfare

How do mycorrhizae act as biofertilisers? Explain. Name a genus of fungi that forms mycorrhizal association with plants.

Asked by Topperlearning User 11th June 2014, 9:25 AM
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CBSE - XII Science - Biology - Microbes in Human Welfare

Why is Rhizobium categorised as a 'symbiotic bacterium'? How does it act as a biofertiliser?

Asked by Topperlearning User 11th June 2014, 9:25 AM
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CBSE - XII Science - Biology - Microbes in Human Welfare

What are biopesticides? Give the scientific name and the use of first commercially used biopesticide in the world.

Asked by Topperlearning User 11th June 2014, 9:25 AM
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CBSE - XII Science - Biology - Microbes in Human Welfare

Name the group of organisms and the substrate they act on to produce biogas.

Asked by Topperlearning User 11th June 2014, 9:25 AM
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CBSE - XII Science - Biology - Microbes in Human Welfare

What are the advantages of using biofertilisers in agriculture?

Asked by Topperlearning User 11th June 2014, 9:25 AM
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CBSE - XII Science - Biology - Microbes in Human Welfare

List the characteristics of an ideal pesticide.

Asked by Topperlearning User 11th June 2014, 9:25 AM
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CBSE - XII Science - Biology - Microbes in Human Welfare

What are biofertilisers? Give the significance of biofertilisers.

Asked by Topperlearning User 11th June 2014, 9:25 AM
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CBSE - XII Science - Biology - Microbes in Human Welfare

How is the presence of cyanobacteria in paddy fields beneficial to the rice crop?

Asked by Topperlearning User 11th June 2014, 9:25 AM
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