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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Mycorrhiza does not help the host plant in ______.

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प्रश्न

Mycorrhiza does not help the host plant in ______.

विकल्प

  • Enhancing its phosphorus uptake capacity

  • Increasing its tolerance to drought

  • Enhancing its resistance to root pathogens

  • Increasing its resistance to insects

MCQ
रिक्त स्थान भरें
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उत्तर

Mycorrhiza does not help the host plant in increasing its resistance to insects.

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अध्याय 10: Microbes in Human Welfare - MULTIPLE CHOICE QUESTIONS [पृष्ठ ७१]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
अध्याय 10 Microbes in Human Welfare
MULTIPLE CHOICE QUESTIONS | Q 12. | पृष्ठ ७१

संबंधित प्रश्न

Find out the role of microbes in the following:

Soil


How does the application of the fungal genus, Glomus, to the agricultural farm increase the farm output? 


How does the application of cyanobacteria help improve agricultural output?


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

  1. Recommend two microbes that can enrich the soil with nitrogen.
  2. Why do leguminous crops not require such enrichment of the soil? 

Define biofertilizers. Give two types of fungal biofertilizers


Which one of the following is a free-living bacterial biofertilizer?


Name any two bacterial biofertilizers.


______ are nitrogen fixing micro-organisms.


Identify the CORRECT statement regarding Ectomycorrhizae.


Which of the following is one of the basic elements considered in green revolution?


By application of ____________ yield of paddy field can be increased.


Which of the following is/are symbiotic nitrogen fixing microbe?


Anabaena forms symbiotic relationship coralloid roots of ______.


In plant breeding, biofortification is a method ____________.


VAM is a type of ______


Which of the following symbiotic microorganisms is nitrogen-fixing?


Soil microorganisms mainly comprise:


Which one of the following is not a nitrogen-fixing organism?


Farmers are often suggested to use the following organism in their crop land so as to improve the soil fertility. Explain.

Rhizobium


How many statements are true about biofertilizers?

  1. They are nitrogen fixers.
  2. They are commercial preparation of live bacteria and fungi.
  3. Use of biofertilizers is expensive.
  4. There is only one type of biofertilizer.
  5. They are classified as inorganic.

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