Given below are two statements:
Statement $I$: Non-biodegradable wastes are generated by the thermal power plants.
Statement $II$: Bio-degradable detergents lead to eutrophication.
In the light of the above statements,choose the most appropriate answer from the options given below:
Statement $I$: Non-biodegradable wastes are generated by the thermal power plants.
Statement $II$: Bio-degradable detergents lead to eutrophication.
In the light of the above statements,choose the most appropriate answer from the options given below:
- ABoth statement $I$ and statement $II$ are false
- BStatement $I$ is true but statement $II$ is false
- CStatement $I$ is false but statement $II$ is true
- DBoth statement $I$ and statement $II$ are true.
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State the harmful effects of excessive production of sulfur oxide.
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$(1)$ Fluorosis weakens teeth and bones.
$(2)$ Fluorosis is caused by fluoride concentrations greater than $2 \ ppm$ $(2 \ mg/L)$.
$(3)$ Fluorosis causes neuromuscular disorders.
$(4)$ Fluoride deficiency causes fluorosis.
$(1)$ Fluorosis weakens teeth and bones.
$(2)$ Fluorosis is caused by fluoride concentrations greater than $2 \ ppm$ $(2 \ mg/L)$.
$(3)$ Fluorosis causes neuromuscular disorders.
$(4)$ Fluoride deficiency causes fluorosis.
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View SolutionThe stratosphere extends from sea level up to an altitude of $...$ kilometers.
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Statement $I$: Chlorofluorocarbons breakdown by radiation in the visible energy region and release chlorine gas in the atmosphere which then reacts with stratospheric ozone.
Statement $II$: Atmospheric ozone reacts with nitric oxide to give nitrogen and oxygen gases,which add to the atmosphere.
For the above statements choose the correct answer from the options given below :
Statement $I$: Chlorofluorocarbons breakdown by radiation in the visible energy region and release chlorine gas in the atmosphere which then reacts with stratospheric ozone.
Statement $II$: Atmospheric ozone reacts with nitric oxide to give nitrogen and oxygen gases,which add to the atmosphere.
For the above statements choose the correct answer from the options given below :
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View SolutionGiven below are two statements :
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Statement $II$ : If the concentration of zinc and nitrate salts are $5\,ppm$ each,then it can be a good quality water.
In the light of the above statements,choose the most appropriate answer from the options given below :
Statement $I$ : If $BOD$ is $4\,ppm$ and dissolved oxygen is $8\,ppm$,then it is a good quality water.
Statement $II$ : If the concentration of zinc and nitrate salts are $5\,ppm$ each,then it can be a good quality water.
In the light of the above statements,choose the most appropriate answer from the options given below :
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