Scribd
Upload
41 views2 pages

Biology: Chapter 5-Pollution

The document provides a sample paper for a Biology chapter on pollution. It contains 10 multiple choice questions about various types of pollution including: 1) gases that lead to ozone depletion, 2) gases from refrigerators/air conditioners, 3) chemicals used in agriculture, 4) a potent greenhouse gas from paddy cultivation and chemicals that are non-biodegradable, 5) effects of smog, and questions about the effects of various pollutions, reducing water and noise pollution, ways to minimize air pollution, and sources and major pollutants.

Uploaded by

Yash Prajapati
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
41 views2 pages

Biology: Chapter 5-Pollution

The document provides a sample paper for a Biology chapter on pollution. It contains 10 multiple choice questions about various types of pollution including: 1) gases that lead to ozone depletion, 2) gases from refrigerators/air conditioners, 3) chemicals used in agriculture, 4) a potent greenhouse gas from paddy cultivation and chemicals that are non-biodegradable, 5) effects of smog, and questions about the effects of various pollutions, reducing water and noise pollution, ways to minimize air pollution, and sources and major pollutants.

Uploaded by

Yash Prajapati
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 2

Biology

Chapter 5- Pollution
Sample Paper-1
MM.25

General Instruction:
I. All questions are compulsory.
II. Question No. 1 and 2 carry one mark each.
III. Question No. 3 to 5 carries two marks each.
IV. Question No. 6 to 9 carries three marks each.
V. Question No.10 carries 5 marks.

Question 1: (1)
State one gaseous compound that leads to depletion of the ozone layer and creates 'ozone
holes'.

Question 2: (1)
Which are the gases released from refrigerators and air conditioners.

Question 3: (2)
Name the chemicals which are used to kill insects and pest in agricultural practices.

Question 4: (2)
Fill in the blanks:

a. ___is a potent greenhouse gas which is produced in the course of paddy cultivation.
b. CFCs and PCBs are___in nature.

Question 5: (2)
State two effects of the smog observed in major cities.

Question 6: (3)
What are the harmful Effects of pollution on human health and other organisms and how can
we control it?

Question 7: (3)
What is Water pollution. How can you help reduce it by avoiding pollution starting from your
household?
Question 8: (3)
What measures can be taken by the citizens to minimize the noise pollution?

Question 9: (3)
State the ways by which abatement of air pollution can be initiated by the student
community.

Question 10: (5)


What are the various Sources of pollution and major pollutants? Explain.

You might also like