MCQ on Environment

 MCQ on Environment 1- …………………is our basic life support system. It provides us air to breath, water to drink, food to eat and land to live. (A) Environment (B) Oxygen (C) Lithosphere (D) Atmosphere   2- The world of living organisms are called …………. (A) Biotic (B) Abiotic (C) Natural (D) None of the above […]

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