With reference to the planet Earth, consider the following statements : Rain forests produce more oxygen than that produced by oceans. Marine phytoplankton and photo-synthetic bacteria produce about 50% of world's oxygen. Well-oxygenated surface water contains several folds higher oxygen than that in atmospheric air. UPSC GENERAL STUDIES SSCCGL OPSC 2025

UPSC 2025 PAPER 1

20. With reference to the planet Earth, consider the following statements : 

(1) Rain forests produce more oxygen than that produced by oceans.
(2) Marine phytoplankton and photo-synthetic bacteria 🦠🧫🦠 produce about 50% of 🌎 world's oxygen.
(3) Well-oxygenated surface water contains several folds higher oxygen than that in atmospheric air.

Which of the statements given above is/are correct?

(A) 1 and 2 

(B) 2 only 

(C) 1and 3

(D) None of the above statements is correct 

Answer -(b) 2 only