The source of oxygen in atmosphere is due to –

Related MCQs

• The source of oxygen generated during photosynthesis is:
• The liberation of oxygen during photosynthesis is due to -
• The balance of CO2 and O2 in atmosphere is due to           .
• The first photosynthetic oxygen liberating organisms to appear on earth were
• Oxygen liberated during photo- synthesis is coming from :
• On the average, what percent age of human body has the element of oxygen?
• The optimum dissolved oxygen level (in mg/litre) required for survival of aquatic organisms is -
•               , found in blood, is responsible for oxygen transportation.
• Transport of oxygen by blood takes place with the help of
• Maximum oxygen is available from –