Balbharati solutions for जनरल सायन्स इंटेगरटेड [इंग्रजी] इयत्ता ८ महाराष्ट्र राज्य मंडळ chapter 8 - Pollution [Latest edition]

Following is a statement about pollution. Which type of pollution does it express?

Fog seems to be appearing in Delhi during day hours.

Following is a statement about pollution. Which type of pollution does it express?

Many times, vomiting and dysentery occurs after eating 'pani puri'

Following is a statement about pollution. Which type of pollution does it express?

Problem of sneezing occurs sometimes during visit to garden.

Following is a statement about pollution. Which type of pollution does it express?

Crop does not grow up in some areas.

Following is a statement about pollution. Which type of pollution does it express?

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

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

Nilesh is a student of Std. VII and lives in 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 village. Foul smell of human and animal wastes was present at many places. Blackish water with foul smell was flowing in a stream. He developed some abdominal disease within few days. 

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

True or false.

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

True or false:

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

What is pollution?

What are Pollutants?

What is acid rain?

What is the Greenhouse effect?

Which are visible pollution known to you?

Which are invisible pollutants?

Give two examples of each of water, soil and air pollution from your residential area.

How does pollution occur due to vehicles? Give the names of vehicles causing least pollution.

What are natural reasons for water pollution?

Suggest four preventive measures for air pollution.

Explain relation between greenhouse effect and global warming.

Construct two slogans each on air, water and soil pollution.

Classify the following pollutions into natural and man-made categories.
Sewage, dust, pollen grains, chemical fertilizers, vehicular smoke, algae, pesticides, waste of animals and birds.