Introduction to Environmental Issues

Q.

Define the terms pollution and pollutant.

Q.

How can we improve our environmental health?

Q.

We can see many overweight people but very few overweight animals.Why this is so?

Q.

Fill in the blanks:

_____ layer protects the surface of earth from ultra-violet rays.

Q.

Natural source of pollution is

1. Mining

2. Oil spill

3. Forest fire

4. Nuclear reactors

Q.

___are substances that causes pollution.

Q.

The development of towns and cities makes more land available for wildlife.

1. True

2. False

Q. Human activities that lead to environmental degradation are

1. Tools for hunting
2. Extensive agriculture
3. Burning of fossil fuels
4. All of the above

Q.

Accumulation of sewerage leads to ________ and spread of various diseases.

1. Water Pollution

2. Air Pollution

3. Noise Pollution

4. Ozone Depeletion

Q.

Raghav used to farm on a land near a dumping site. After a period of time, his land became acidic.
Which of the following could be the reason for a change in chemical composition of his land?

1. Breeding of mosquitoes in soil

2. Decomposition of plant and animal remains in soil

3. Growth of harmful bacteria in soil

4. Improper dumping of wastes at dumping site

Q.

Biomedical wastes include

1. a
2. b
3. c
4. d

Q. Living creatures that take nutrients from dead and decaying matter are known as:

1. Photoautotrophs
2. Saprotrophs
3. Autotrophs
4. Chemoautotrophs

Q. Which of the following is NOT a product of commercial hunting?

1. Ivory piano keys
2. Shells for ornamentation
3. Deer skin to keep hunters warm
4. Feathers for fan

Q. What is the reason for Bangalore turning into a garbage city?

1. High particulate matter
2. Polluted lakes
3. All of the above
4. No proper solid waste management

Q. The pollutants which are already present in nature, but are also released in substantial amounts by man are known as

1. Qualitative pollutants
2. primary pollutants
3. Degradable pollutants
4. quantitative pollutants

Q. dangerous dog in the world

Q.

Pranati lived in an area near an incineration site. After a period of time, she began to develop breathing problems. Which of the following could be the reasons for Pranati's suffering?

1. Dumping of solid wastes in the ground

2. Toxic smoke released from the burning of wastes

3. Percolation of waste water in the ground

4. Contamination of ground water by leachate

Q.

Give the role of the atmosphere in climatic control

Q. Human activities that lead to environmental degradation are

1. Tools for hunting
2. Burning of fossil fuels
3. Extensive agriculture
4. All of the above

Q. We should address environmental issues to reduce

1. Species extinction
2. Deforestation
3. Biomagnification
4. All of the above