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PYQ Drill · 2025
Subject focus: Environment
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With reference to the planet Earth, consider the following statements : I. Rain forests produce more oxygen than that produced by oceans. II. Marine phytoplankton and photosynthetic bacteria produce about 50% of world's oxygen. III. Well-oxygenated surface water contains several folds higher oxygen than that in atmospheric air. Which of the statements given above is/are correct?
A
(A)
I and II
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B
(B)
II only
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C
(C)
I and III
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D
(D)
None of the above statements is correct
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