Multiple Choice QuestionsA lake with nutrients is called
trophic
euphotic
oligotrophic
eutrophic
D.
eutrophic
Eutrophication is the process in which lakes receive nutrients such as phosphorus and nitrogen and sediment from the surrounding watershed and become more fertile and shallow.
Trophic level is the group of organisms within an ecosystem which occupy the same level in a food chain.
Euphotic zone or the sunlight zone is the uppermost layer of the ocean or lake exposed to intense sunlight.
Oligotrophic lake is a lake with low primary productivity due to low nutrient content. Also, they have low algal production.
According to Kyoto protocol the major nations abide to reduce concentration of green house gases by
2008
2010
2012
2018
One gene- one enzyme hypothesis of Beadle and Tatum was experimentally proved on
Saccharomyces
Neurospora crassa
Lathyrus odoratus
Claviceps
Nitrifying bacteria are able to
convert atmospheric nitrogen into soluble forms
convert ammonia to nitrate
ammonia to nitrogen
nitrate to nitrogen
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