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Question

During an educational trip, a group of students visited a village having a beautiful lake. The students collected some plants samples and noticed that some villagers are washing clothes around the lake. They also observed that the dumping of waste material from houses into the lake at certain points.

After few years, the students happened to visit the same village again. They were shocked to find the green cover over the lake water which was unusable and badly stinking

Answer the following questions:
a) What is the name of green cover over lake water?
b) Why the lake water had developed bad small?
c) How this situation could have been avoided? Give your views.
d) What are the values associated with the above passage.

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Solution

Dear Student,

a). The green cover is nothing but the algal blooms that resulted due to the deposition of nutrient rich sewage.
b). The lake is smelling due to the death of the fishes and other aquatic organisms due to the lack of oxygen resulted out of eutrophication.
c). This situation could have been avoided by not dumping any waste into the water bodies.
d). The values denoted by the passage is people are ignorant and not caring towards the environment. The values shown by the children are inquisitiveness and awareness about the environment.

Regards,

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