Fill In The Blanks.

Questions

5 questions · self-marked practice — reveal the answer and mark yourself.

Question 11 Mark

Problem of …………… pollution increases due to soil pollution.

Answer

Problem of water pollution increases due to soil pollution.

Question 21 Mark

Soil ………… decreases due to pollution.

Answer

Soil fertility decreases due to pollution.

Question 31 Mark

Boards indicating the …………. are displayed in busy squares in metro cities.

Answer

Boards indicating the air quality index are displayed in busy squares in metro cities.

Question 41 Mark

Air pollutants with ……….. cause colour change in paints, oil paintings, nylon, etc.

Answer

Air pollutants with sulphur cause colour change in paints, oil paintings, nylon, etc.

Question 51 Mark

Natural pollutants are destroyed in due course of time by …………. .

Answer

Natural pollutants are destroyed in due course of time by nature’s rule.

Fill In The Blanks. - Science STD 8 Questions - Vidyadip

Science Fill In The Blanks.