Question

The cycle in nature in which oxygen is consumed for the burning of fuels as well as for respiration and is released by the process of photosynthesis is called

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Answer 1

1. Many fuel burns every day but the amount of oxygen in the air remains almost constant because of the oxygen cycle oxygen though gets depleted constantly because of burning of fuels and the respiration of plants and animal.
2. Yet because of the process of photosynthesis the oxygen in the atmosphere means constant in the air by the process of photosynthesis in the night time for the process of the respiration cycle.
3. The process in which oxygen is consumed for the burning of fuel and respiration and is released by the process of photosynthesis is called as Oxygen cycle.
4. Therefore the correct answer to be filled in the blank will be oxygen cycle.