Environmental Crisis

Q.

Define ecology.

1. The science that studies the evolution of life,

2. Integrates both social and natural sciences to help us understand how the earth works

3. The study of the relationships between organisms and their environment

4. The study of the environment in the absence of humans

Q. Which of the following is separated as slag during extraction of Fe in blast furnace? 1.Si02 2.Cao

Q. Climate change is primarily a problem of too much in the atmosphere.

1. propane
2. ethane
3. carbon dioxide
4. methane

Q. is the increased dissolved salts and minerals in the water.

1. Hard water
2. Mineral water
3. Sparkle water
4. Fresh water

Q.

As an ecosystem, wetlands are useful for which of the following?

1. For nutrients recovery and cycling

2. For releasing heavy metals through absorption by plants

3. They maintain the rivers and control the floods

4. All of the above

Q. Short answer type questions:
Explain how government can influence allocation of resources through government budget.

Q. The most important economic problem is that the resources used to satisfy our wants are limited in supply.

1. True
2. False

Q. Long answer type questions:
Explain the objectives of resource allocation and income distribution in a government budget.

Q.

____ areas are like lakes or marshlands that act like sponges and absorb the extra water in case rainfall is too much.

1. None of the above

2. Wetlands

3. Reservoir

4. Tributary

Q. FDI in Civil Aviation Greenfield projects is allowed upto ________.

1. 26%
2. 74%
3. 100%
4. 51%

Q. Short answer type questions:
Explain the 'allocation of resources' objective of government budget.

Q. Long answer type questions:
Explain the role the government can play through the budget in influencing allocation of resources.

Q. Which of the following aquatic ecosystems help reduce pollution, filter water, control flooding and serve as nurseries for aquatic species?

1. Rivers
2. Ponds
3. Estuaries
4. Lakes
5. Wetlands

Q. The term hidden economy refers to unaccounted money due to____.

1. voluntary services rendered
2. all the three
3. tax evasion
4. working in agricultural sector

Q.

Gas responsible for global warming is

1. oxygen

2. sulphur

3. carbon dioxide

4. carbon monoxide

Q. The allocation of limited resources in the most appropriate manner amongst unlimited ends is ?

1. Statistics
2. Economics
3. Market
4. All of the above

Q.

Which of the following can you classify as man-made, natural disasters?

1. Floods

2. Landslides

3. Explosions

4. Oil Spills

Q.

Greenhouse gas which is present in a very high quantity.

1. Methane

2. Propane

3. Ethane

4. Carbon dioxide

Q.

The greenhouse gases, otherwise called as radioactively active gases include

1. Carbon dioxide

2. CH4

3. N2O

4. All of the above

Q.

Phytoplanktons are producers of ___ .

1. Producers of forest

2. Consumers of Ocean

3. Producers of lakes

4. Omnivores

Q.

1. at the macro level
2. at the micro level
3. both A & B
4. none of the above

Q.

What efforts should be made in an economy to prevent the continuous use of exhaustible natural resources in production?

1. To increase use of renewable resources like solar energy, wind energy

2. To reduce the wastage of resourcethe

3. To spread awareness about the effective and optimum use of exhaustible natural resources

4. To increase intensive extraction of both renewable and non-renewable resources

Q.

Which of the following causes global warming but is not an air pollutant?

1. Carbon monoxide

2. Sulphur dioxide

3. Oxides of nitrogen

4. Carbon dioxide

Q. If a firm is operating at any point inside the PPF, the firm is _______.

1. poised for abnormal growth
2. efficient firm
3. inefficient firm
4. none of the above