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Ultra-violet light causes

Photodynamic action
Sticky metaphases
Formation of pyrimidines
Destruction of hydrogen bonds between complementary DNA strands
Additional Questions

The ultraviolet radiations in the stratosphere are absorbed by

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Escherichia coli used as an indicator organism to determine pollution of water with

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Eutrophication causes decrease in

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Addition of phosphates and nitrates/fertilizers into water leads to

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Ozone depletion in the stratosphere will cause

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Measuring Biochemical Oxygen Demand (BOD) is a method used for

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Minamata disease is due to pollution of

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Most abundant water pollutant is

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Most harmful environmental pollutants are

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The atmosphere of big metropolitan cities is polluted most by

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