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Which of the following statements describe anthropogenic pollution?

  1. It is caused by natural events like volcanic eruptions.

  2. It results from human activities.

  3. Examples include emissions from industries and vehicles.

A1 & 2

B2 & 3

C1 & 3

DAll are correct

Answer:

B. 2 & 3

Read Explanation:

  • Correct Answer: Option B (2 & 3)

  • It is caused by natural events like volcanic eruptions - This statement is incorrect regarding anthropogenic pollution. Natural events like volcanic eruptions cause natural pollution, not anthropogenic pollution. The word "anthropogenic" specifically refers to effects originating from human activities.

  • It results from human activities - This statement is correct. The term "anthropogenic" comes from "anthropo" meaning human and "genic" meaning originating from. Anthropogenic pollution is, by definition, pollution that results from human activities.

  • Examples include emissions from industries and vehicles - This statement is correct. Industrial emissions and vehicle exhaust are classic examples of anthropogenic pollution sources.


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Which of the following pollutants are matched correctly with their effects?

  1. Sulphur oxides – Destruction of chlorophyll

  2. Nitrogen oxides – Formation of ozone in photochemical smog

  3. Methane – Causes lung cancer

  4. Carbon monoxide – Respiratory blockage due to haemoglobin binding

Which of the following statements about sulphur oxides are correct?

  1. They are released by oil refineries and smelters.

  2. They support the growth of lichens and mosses.

  3. They lead to acid rain.

Which of the following statements are correct?

  1. Alexander Von Humboldt was the first to present the relationship between organisms and environment.

  2. Eugene Odum is credited with the term "ecosystem."

  3. Rachel Carson’s Silent Spring led to the formation of the U.S. Environmental Protection Agency.