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Which of the following statements regarding types of pollution are correct?

  1. Natural pollution arises solely from human activities like industrial waste dumping.

  2. Anthropogenic pollution is caused by human actions such as overuse of fertilizers.

  3. Positive pollution involves the addition of harmful substances, reducing fertility.

  4. Negative pollution involves the removal of essential substances, reducing productivity.

A2, 3 and 4

B1, 2 and 3

C1 and 4

DAll are correct

Answer:

A. 2, 3 and 4

Read Explanation:

  • Correct Answer: Option A) 2, 3 and 4

  • Natural pollution arises solely from human activities like industrial waste dumping.

  • This statement is Incorrect. Natural pollution comes from natural sources like volcanic eruptions, forest fires, and dust storms, not from human activities. Human-caused pollution is anthropogenic.

  • Anthropogenic pollution is caused by human actions such as overuse of fertilizers.

  • This statement is correct. Anthropogenic pollution refers to pollution that results from human activities, including agricultural practices like excessive fertilizer use, industrial processes, and transportation.

  • Positive pollution involves the addition of harmful substances, reducing fertility.

  • This statement is correct. Positive pollution occurs when harmful substances are added to the environment, which can decrease soil fertility, water quality, and overall ecosystem health.

  • Negative pollution involves the removal of essential substances, reducing productivity.

  • This statement is correct. Negative pollution refers to the removal of beneficial or essential components from the environment, such as deforestation removing trees or soil erosion removing fertile topsoil, leading to reduced ecological productivity.


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The concept of 'planetary boundaries' refers to:
What is the scientific name for the Adam's apple found on the throat?

Consider the following about pollution control strategies:

  1. Substituting pollutants with safer alternatives is a viable strategy.

  2. Pollution can be minimized but not completely eliminated.

  3. Recycling non-biodegradable materials is an effective control method.

Which of the following statements about primary pollutants are true?

  1. They are emitted directly into the atmosphere.

  2. Carbon monoxide and DDT are primary pollutants.

  3. They are more toxic than secondary pollutants.

Which of the following is an example of a secondary pollutant?