Environmental Science
Mycorrhiza represents

Parasitic association between a fungus and an alga
Parasitic association between a fungus and roots of plants
Symbiotic association between a fungus and liverworts
Symbiotic association between a fungus and roots of higher plants

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Environmental Science
Which of the following is false?

The energy content in a trophic level is determined is determined by considering a few individuals of a species in that trophic level.
Phytoplanktons are the pioneers in the aquatic ecosystem
Quantity of biomass in a trophic level at a particular period is called as standing crop
Rate of succession is faster in secondary succession
The succession that occurs in newly cooled lava is called primary succession

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