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UPSC Ecology And Environment Biodiversity Conservation And Wild Life / जैव विविधता संरक्षण और वन्य जीवन Question Bank Biodiversity

  • question_answer
    Amazon rain forest, called the 'Lungs of the planet', contribute following percentage of oxygen by photosynthesis, to earth atmosphere

    A)  20%                            

    B)  35%

    C)  42%                            

    D)  50%

    Correct Answer: A

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