Which one of the following is not a bioindica | vedclass

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(B) Bioindicators are organisms whose presence,absence,or abundance provides information about the quality of the environment. Blood-worms,sewage fung

Vedclass · Accepted Answer

Stone flies

Vedclass · Answer

(B) Bioindicators are organisms whose presence,absence,or abundance provides information about the quality of the environment. Blood-worms,sewage fungus,and sludge worms are well-known bioindicators of organic water pollution,as they thrive in polluted waters with low oxygen levels. Stone flies,on the other hand,are highly sensitive to water pollution and require clean,well-oxygenated water to survive. Therefore,they are typically used as indicators of clean water rather than indicators of water pollution.

Column-$I$	Column-$II$
$(p)$ Increasing level of $CO_2$	$(i)$ Ozone depletion
$(q)$ $CFC$	$(ii)$ Antarctica region
$(r)$ Ozone hole	$(iii)$ Greenhouse effect
$(s)$ $UV$ rays	$(iv)$ Senescence of skin

Which one of the following is not a bioindicator of water pollution?

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