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Q.Identify, which of the following statements is incorrect about the functions of environment. (Choose the correct option) (A) Environment provides resources. (B) Environment absorbs wastage. (C) Environment sustains life. (D) Environment deteriorates quality of life.

CBSECBSE Class XII Board 2025MCQ· 1mImportance★★★★★
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The environment performs three essential functions — providing resources, absorbing waste, and sustaining life. The statement that it “deteriorates quality of life” is incorrect because deterioration is a consequence of human misuse, not a function of the environment itself.

Let’s think about what the word “function” means in this context. A function is a natural role or purpose that something serves. The environment, as a system, does three things by its very nature:

  • Provides resources — air, water, minerals, forests, soil. These are the raw materials for all economic activity and life itself.
  • Absorbs waste — through processes like decomposition, dilution, and chemical breakdown. The environment can handle a certain amount of waste without being damaged.
  • Sustains life — by maintaining the conditions (temperature, oxygen, water cycle, food chains) that allow living organisms to survive and reproduce.

Now look at option (D): “Environment deteriorates quality of life.” This is not a function. It is an outcome — and a negative one at that — which happens when humans overuse or misuse the environment. For example, pollution, deforestation, and climate change degrade the environment, and that degradation then harms human health and well-being. But the environment does not set out to deteriorate quality of life; rather, it is the victim of actions that lead to deterioration. …

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