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Biocontrol and Biofertilizer

Quiz by Priyanka Mohite

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10 questions
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  • Q1

    What is incorrect about the nucleopolyhedrovirus (NPV)?

    These are broad spectrum

    They aid in an overall IPM programme or when an ecologically sensitive area is being treated

    These are species specific 

    They have no negative impact on plants, mammals, bird, fish, and non-target insects

    30s
  • Q2

    Bacillus thuringiensis is used to control 

    bacterial pathogens 

    fungal pathogen

    insect pests

    Nematodes

    30s
  • Q3

    A nitrogen fixing microbes associated with Azolla in rice fields is

    Spirulina 

    Anabaena 

    Frankia 

    Tolypothrix

    30s
  • Q4

    The free living anaerobic nitrogen fixer is

    Rhodospirillum 

    Beijerinckia

    Rhizobia

    Azotobacter 

    30s
  • Q5

    In paddy fields, ____________ serve as an important biofertiliser.

    cyanobacteria

    Bt

    mycorrhiza

    rhizobium 

    30s
  • Q6

    ____________ species are free-living fungi that are very common in the root ecosystems.

    mycorrhiza

    Azotobacter 

    cyanobacteria

    Trichoderma

    30s
  • Q7

    Many members of the genus_______ form mycorrhiza.

     Glomus

    Trichoderma

    Nucleopolyhedrovirus

    Azospirillum

    30s
  • Q8

    Cyanobacteria are ______________ microbes widely distributed in aquatic and terrestrial environments.

    chemotrophic

    heterotrophic 

    oligotrophic

    autotrophic

    30s
  • Q9

    A specialized cell found in nitrogen fixing cyanobacteria is called  

    trophoblast

    cyst

    heterocyst

    blastocyst

    30s
  • Q10

    Mycorrhizae is a symbiotic association between-

    fungi and roots of higher plants 

    bacteria and fungi

    BGA (blue green algae) and roots of higher plants 

    algae and fungi

    30s

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