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Environmental Study
hard
Fill in the Blanks :
$(1)$ The substance that spreading pollution is called .......
$(2)$ The fullform $DDT$ is .......
$(3)$ The area of $10\, km$ to $50\, km$ from the sea level is called .........
$(4)$ Harmful ultraviolet sun radiation come to the earth is blocked by .....
Option A
Option B
Option C
Option D
Solution
pollutant
dichlorodiphenyltrichloroethane
stratosphere
ozone
Standard 11
Chemistry
Similar Questions
Match List $I$ with List $II$
| List $I$ | List $II$ |
| $A$ Nitrogen oxides in air | $I$ Eutrophication |
| $B$ Methane in air | $II$ $pH$ of rain water becomes $5.6$. |
| $C$ Carbon dioxide | $III$ Global warming |
| $D$ Phosphate fertilisers in water | $IV$ Acid rain |
Choose the correct answer from the options given below :
