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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 activity of each one of the following help in organic farming?
Cyanobacteria


______ are nitrogen fixing micro-organisms.


Identify the CORRECT statement regarding Ectomycorrhizae.


Which of the following is a free-floating aquatic fern?


Match the Column I (Organisms) with the Column II (Products they produce) and select the correct option.

  Column I   Column II
i. Lactobacillus p. Cheese
ii. Saccharomyces cerevisiae q. Curd
iii. Aspergillus niger r. Citric Acid
iv Acetobacter aceti s. Bread
    t. Acetic Acid

Blue green algae are used as bio fertilizers because they ____________.


In plant breeding, biofortification is a method ____________.


An organism used as a biofertiliser for raising soyabean crop prediction is:


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


Glomus is a ______. 


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


Why are blue green algae not popular as biofertilisers?


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

Anabaena 


Match the pairs:

  Column A   Column B
(i) Compost making
biofertilizer
(a) Azotobacter
(ii) N2 fixing biofertilizer (b) Mycorrhiza
(iii) Fungal biofertilizer (c) Agrobacterium
(iv) Phosphate solubilizing
biofertilizer
(d) Actinobocteria

Aspergillus niger is used to manufacture


Name the microorganisms involved in the production of Roquefort cheese, Camembert cheese and Swiss cheese.


What is the primary outcome of the Legume–Rhizobium symbiosis in terms of soil enrichment?


Which biofertilizer system is particularly significant for rice cultivation in paddy fields?


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