Explain the process of gaseous exchange that take place in Plants during day and night
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Plants respire during the day and night, but they only photosynthesise during the day when it is light.
Net gas exchangeThe net (overall) effect depends on the time of day and the light intensity. Photosynthesis doesn’t occur at night. When there is no photosynthesis, there is a net release of carbon dioxide and a net uptake of oxygen.If there is enough light during the day, then:the rate of photosynthesis is higher than the rate of respirationthere is a net release of oxygen and a net uptake of carbon dioxide
equations for aerobic respiration and photosynthesis:
C6H12O6 + 6O2 → 6CO2 + 6H2O (aerobic respiration)6CO2 + 6H2O → C6H12O6 + 6O2 (photosynthesis)Net gas exchangeThe net (overall) effect depends on the time of day and the light intensity. Photosynthesis doesn’t occur at night. When there is no photosynthesis, there is a net release of carbon dioxide and a net uptake of oxygen.If there is enough light during the day, then:the rate of photosynthesis is higher than the rate of respirationthere is a net release of oxygen and a net uptake of carbon dioxide
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