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Subject - Biology:

Basics

MCQ - 389-1873

Question:

Which one of the following gases contributes maximum to the greenhouse effect’ on the earth?

  1. carbon dioxide
  2. chlorofluoro carbon
  3. Freon
  4. chlorofluoro carbon

Correct Answer: A

Explanation:

(a) Due to excessive combustion activity, the content of CO2 in the atmosphere has been steadily rising. CO2 is opaque to infra-red waves. Therefore, it allows the sunlight to fall on earth but checks the loss of heat during night. As carbon dioxide accumulates in the atmosphere it absorbs more and more of the reflected infrared radiation.

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619 MCQ for effective preparation of the test of Basics of Biology section.

Read the MCQ statement: Which one of the following gases contributes maximum to the greenhouse effect’ on the earth? , keenly and apply the method you have learn through the video lessons for Basics to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 389-1873.

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