Q5 of 15 Page 173

Sudheer is a traffic constable. What do you think about his health. Give some suggestions to protect his health during duty period.

The health of Sudheer isn’t fine as he is exposed to a vast amount of harmful gases on roads. Following diseases can happen :-


i) A cough


ii) Blocked nose


iii) Watering of eyes


iii) Breathlessness, wheezing and chest tightness.


Protecting Sudheer:-


i) He must wear a mask on his duty to keep harmful gases away.


ii) He should frequently wash with fresh water. This helps to keep skin infection away.


iii) He should have a frequent health checkup so that any problem can be treated without it being large.


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Why does the increased level of nutrients in the water affect the survival of aquatic organisms?

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Road side plants cannot grow properly - Find your own reasons and explain your argument.

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Write a short note on the effects of water pollution in your village suggest precautions

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Visit a pollution check center. Observe the process of conducting a pollution check and record your findings. You may consider the following areas for your record:

An average number of vehicles checked in a certain time period, Time is taken to check each


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