Q2 of 20 Page 61

Read the passage and identify the sentences expressing types of pollution.

Nilesh is a student of std. VIII and lives in the urban area. It takes about an hour to go to the school by bus. He faces the heavy traffic of two-wheelers, four wheelers, rickshaws, buses while going to school. He is facing the problem of asthma since last few days. Doctors recommended him to stay away from urban area. Since then, his mother sent him to the village of his maternal uncle. Nilesh saw the heaps of garbage at many places in the village. The foul smell of human and animal wastes was present in many places. Blackish water with foul smell was flowing in a stream. He developed some abdominal disease within a few days.

The following lines indicate pollution -

1. He is facing the problem of asthma since last few days


- Air pollution


Explanation: Air pollution is mainly caused due to the release of smoke from the vehicles. This, in turn, has led to breathing problems in Nilesh.


2. Nilesh saw the heaps of garbage at many places in the village


-Soil pollution


Explanation: Soil pollution due to the addition of human waste and industrial waste gives the pathogen a perfect environment for growth.


3. The foul smell of human and animal wastes was present at many places


- Water and air pollution


Explanation: Foul smell is produced by the bacteria which decomposes the waste release by humans in the water.


4. Blackish water with foul smell was flowing in a stream


- Water pollution


Explanation: Due to the release of industrial effluents and human sewage in the water brackish water and foul smell is produced.


More from this chapter

All 20 →
1

Following are some statements about pollution. Which type of pollution do those express?

a. Fog seems to be appearing in Delhi during day hours.


b. Many times, vomiting and dysentery occur after eating ‘panipuri’.


c. The problem of sneezing occurs sometimes during a visit to the garden.


d. The crop does not grow up in some areas.


e. People living in the busy squares face the problems like short breathing and other respiratory problems.

 1

Following are some statements about pollution. Which type of pollution do those express?

a. Fog seems to be appearing in Delhi during day hours.


b. Many times, vomiting and dysentery occur after eating ‘panipuri’.


c. The problem of sneezing occurs sometimes during a visit to the garden.


d. The crop does not grow up in some areas.


e. People living in the busy squares face the problems like short breathing and other respiratory problems.

 3

Match the pairs from ‘A’ and ‘B’ columns and explain the effect of pollution on human health.

Column ‘A’


1. Water containing cobalt


2. Methane gas


3. Water containing lead


4. Sulphur dioxide


5. Nitrogen dioxide


Column ‘B’


a. Mental retardedness


b. Paralysis.


c. Inflammation of lungs.


d. Skin cancer


e. Irritation of eyes

 4

True or false

a. Water does not get polluted by washing the cloths in running water of the river.


b. More the use of electric appliances more will be the pollution.