Oxygen is returned to the atmosphere mainly by

burning of fossil fuel

No worries! We‘ve got your back. Try BYJU‘S free classes today!

respiration

No worries! We‘ve got your back. Try BYJU‘S free classes today!

photosynthesis

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

fungi

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
photosynthesis

Photosynthesis is a process by which plants convert carbon dioxide into glucose in the presence of sunlight and oxygen is given out as a by product. This process is mainly responsible for the release of oxygen into the atmosphere.

Suggest Corrections

Similar questions

Question 24
Oxygen is returned to the atmosphere mainly by:

(a) burning of fossil fuel
(b) respiration
(c) photosynthesis
(d) fungi

Question 13
Which step is not involved in the carbon-cycle?

(a) Photosynthesis
(b) Transpiration
(c) Respiration
(d) Burning of fossil fuels

Join BYJU'S Learning Program