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Balbharati solutions for Class 8 Science chapter 8 - Pollution

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Chapters

Balbharati Balbharati Class 8 Science - General Science

Balbharati Class 8 Science - General Science - Shaalaa.com

Chapter 8: Pollution

Exercise

Chapter 8: Pollution Exercise Exercise solutions [Page 61]

Exercise | Q 1.1 | Page 61

Following are some statement about pollution which type of pollution do those express?

Fog seems to be appearing in Delhi during day hours.

Exercise | Q 1.2 | Page 61

Following are some statement about pollution which type of pollution do those express?

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

Exercise | Q 1.3 | Page 61

Following are some statement about pollution which type of pollution do those express?

Problem of sneezing occurs sometimes during visit to garden.

Exercise | Q 1.4 | Page 61

Following are some statement about pollution which type of pollution do those express?

Crop does not grow up in some areas.

Exercise | Q 1.5 | Page 61

Following are some statement about pollution which type of pollution do those express?

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

Exercise | Q 2 | Page 61

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

Nilesh is a student of std. VIII 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 facng the problem of asthma since to stay away from urban area. Since then, his mother sent him to the village of his maternal uncle. Nilesh saw th heaps of garbage of 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 devleoped some abdominal disease with in few days. 

Exercise | Q 3 | Page 61

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

  Column  'A'   Column 'B'
1. Water containing cobalt   a. Mental retardedness
2. Methane gas   b. Paralysis
3. Water containing lead  c. Inflammation of lungs.
4. Sulphur dioxide  d. Skin cancer
5. Nitrogen dixoide  e. Irritation of eyes
Exercise | Q 4.1 | Page 61

True or false.

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

  • True

  • False

Exercise | Q 4.2 | Page 61

True or false

More the use of electric appliances, more wil be the pollution.

  • True

  • False

Exercise | Q 5.1 | Page 61

Answer the following.

What is pollution ?

Exercise | Q 5.2 | Page 61

Answer the following.

What are pollution ?

Exercise | Q 5.3 | Page 61

Answer the following.

What is acid rain ?

Exercise | Q 5.4 | Page 61

Answer the following.

What is green house effect ?

Exercise | Q 5.5 | Page 61

Answer the following.

Which are visible pollution known as you ?

Exercise | Q 5.6 | Page 61

Answer the following.

Which are invisible pollutions ?

Exercise | Q 6.1 | Page 61

Answer the following 

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

Exercise | Q 6.2 | Page 61

Answer the following 

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

Exercise | Q 6.3 | Page 61

Answer the following 

What are natural reasons for water pollution.

Exercise | Q 6.4 | Page 61

Answer the following 

Suggest four preventive measures for air pollution.

Exercise | Q 6.5 | Page 61

Answer the following 

Explain relation between green house effect and global warming.

Exercise | Q 6.6 | Page 61

Answer the following 

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

Exercise | Q 7 | Page 61

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

Chapter 8: Pollution

Exercise

Balbharati Balbharati Class 8 Science - General Science

Balbharati Class 8 Science - General Science - Shaalaa.com

Balbharati solutions for Class 8 Science chapter 8 - Pollution

Balbharati solutions for Class 8 chapter 8 (Pollution) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the Maharashtra State Board Balbharati Class 8 Science - General Science solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Balbharati textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Class 8 Science chapter 8 Pollution are Concept of Pollution, Concpet of Pollutants, Concept of Air Pollution, Concept of Water Pollution, Concept of Soil Pollution, Pollution- Prevention and Control.

Using Balbharati Class 8 solutions Pollution exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Balbharati Solutions are important questions that can be asked in the final exam. Maximum students of Maharashtra State Board Class 8 prefer Balbharati Textbook Solutions to score more in exam.

Get the free view of chapter 8 Pollution Class 8 extra questions for and can use Shaalaa.com to keep it handy for your exam preparation

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