Class 8 Practice – Level 3 – Set 2 – Coal and Petroleum

Total questions: 15

Which of the following is a major long-term consequence of coal mining?

Formation of fertile soil in mining areas

Increase in groundwater levels

Acid mine drainage leading to water pollution

Natural restoration of forests in mining regions

None

Which of the following industries is most dependent on petrochemicals?

Textile industry

Paper industry

Wood industry

Agriculture

None

Which of the following is a major limitation of biofuels compared to fossil fuels?

Biofuels cannot be produced on a large scale.

Biofuels release more greenhouse gases than fossil fuels.

Biofuels have a lower energy density than fossil fuels.

Biofuels are non-renewable.

None

Which statement correctly distinguishes renewable resources from non-renewable resources?

Renewable resources cannot be replenished in a short time, while non-renewable resources can.

Non-renewable resources are inexhaustible, whereas renewable resources are exhaustible.

Renewable resources are naturally replenished over short periods, while non-renewable resources take millions of years to form.

Non-renewable resources can be created through artificial means, while renewable resources cannot.

None

Which factor is most essential for the formation of petroleum over millions of years?

Exposure to the atmosphere

High levels of sunlight

High pressure and temperature

Proximity to volcanic activity

None

Which of the following methods is the most effective in reducing dependence on fossil fuels?

Increasing fossil fuel extraction

Investing in nuclear power plants

Widespread adoption of energy-efficient technologies

Encouraging the use of coal-fired power stations

None

Which of the following contributes the least to an individual's carbon footprint?

Driving a gasoline-powered car daily

Using electricity generated from coal

Growing a home vegetable garden

Using plastic bags

None

Which process is used in petroleum refineries to break down large hydrocarbons into smaller, more useful hydrocarbons?

Hydrolysis

Polymerization

Cracking

Hydrogenation

None

Which of the following pollutants is released in large quantities when coal is burned?

Sulfur dioxide

Chlorine gas

Methane

Nitrogen gas

None

10.

If fossil fuels were to be exhausted, which of the following would be the most significant consequence for modern industries?

Increase in agricultural productivity

Loss of raw materials for chemical industries

Abundance of renewable energy sources

Elimination of greenhouse gas emissions

None

11.

Why is coal considered to be a less desirable source of energy compared to natural gas?

Coal is more expensive than natural gas.

Coal releases more pollutants and greenhouse gases than natural gas.

Coal has a higher energy content than natural gas.

Coal is renewable, while natural gas is non-renewable.

None

12.

Which fuel derived from petroleum is used in the largest quantity in modern transportation?

Diesel

Petrol

Kerosene

Lubricating oil

None

13.

What is the most likely future trend in energy resource development?

Complete reliance on fossil fuels

Decreasing investments in renewable energy

Increasing use of renewable and clean energy sources

Expanding coal mining to meet growing energy needs

None

14.

Which of the following by-products of coal processing is used to manufacture paints and dyes?

Coke

Coal tar

Ammonia

Synthetic gas

None

15.

Which of the following measures is most critical for ensuring future energy security?

Relying solely on existing fossil fuel reserves

Exploring and developing renewable energy technologies

Increasing oil drilling in fragile ecosystems

Eliminating nuclear energy as an option

None

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Class 8 Practice – Level 3 – Set 2 – Coal and Petroleum

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