Photosynthesis and Air MCQs Quiz and Answers Tests pdf Download

Practice photosynthesis and air MCQs in geography quiz for test prep. Air and water pollution quiz questions has multiple choice questions (MCQ) with photosynthesis and air test, answers as during process of photosynthesis, element that plants give off is, answer key with choices as methane, carbon dioxide, oxygen and ethane for competitive exam preparation worksheets. Free geography revision notes to learn photosynthesis and air quiz with MCQs to find questions answers based online tests.

MCQs on Photosynthesis and Air Quiz pdf Download

MCQ. During process of photosynthesis, element that plants give off is

  1. methane
  2. carbon dioxide
  3. oxygen
  4. ethane

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