The association mycorrhiza isA. relationship of algae and fungiB. relationship of fungi and higher plantsC. relationship of algae and higher plantsD. None of the above

The association mycorrhiza isA. relationship of algae and fungiB. rela

1.	The association mycorrhiza isA. relationship of algae and fungiB. relationship of fungi and higher plantsC. relationship of algae and higher plantsD. None of the above
Answer» Correct Answer - B Mycorrhiza is ahte symbiotic association between fungus and roots of higher plants. The mycorrhizal roots are usually covered with fungal woolly outgrowth. Fungus growth does not cause any harm to the plant. Along with water phosphorus and nitrogen are also absorbed.

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Define the following terms and give one example for each: (a) Commensalism (b) Parasitism (c) Camouflage (d) Mutualism (e) Interspecific competition
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Select the statement which best explains commensalism (a) One organism is benefitted (b) Both the organisms are benefitted (c) One organism is benefitted , other is not affected (d) One organism is benefitted , other is affected .
Each environment can support a limited population depending upon itsA. Biotic potentialB. Carrying capacityC. NatalityD. Reproductive potential
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In an area, if there are 200 Parthenium plants but only a single huge banyan tree with a large canopy, the population density is measured in terms ofA. Number or biomassB. Number of per cent coverC. Biomass or per cent coverD. Number, biomass or per cent cover.
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The association mycorrhiza isA. relationship of algae and fungiB. relationship of fungi and higher plantsC. relationship of algae and higher plantsD. None of the above

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