Conservation of Resources and Pollution — BIOLOGY STD 8 — Question
ICSE BoardEnglish MediumSTD 8BIOLOGYConservation of Resources and Pollution3 Marks
Question
List various effect of water pollution.
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Answer
The waste generated by all above mentioned activities contain marly harmful microorganisms that pollute water and people drinking this water suffers from waterborne diseases.
$(a)$ Polluted water caft cause serious waterborne diseases like cholera, jaundice and dysentery.
$(b)$ It destroys aquatic plants and animals.
$(c)$ It leads to abnormal growth of plants.
$(d)$ Pesticides such as $\text{DDT}$ can get into the bodies of fishes through the water. Animals and humans, receive poisonous substances if they eat these contaminated fishes.
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