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Gaseous Exchange in Plants (3)
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Stomata of plants open
During photosynthesis when there is light
Stomata of plants close
When it gets dark or when the plant loses a lot of water on a hot day
Open stoma
Close stoma
Process that affects the stoma
Process of osmosis
Process of Osmosis in Guard Cells (1)
When there is light, guard cells carry out photosynthesis to produce glucose
Process of Osmosis in Guard Cells (2)
The concentrationof glucose in guard cells increases and causes water from surrounding cells to diffuse into the guard cells through osmosis
Process of Osmosis in Guard Cells (3)
Hence, the guard cells become turgid and curved
Process of Osmosis in Guard Cells (4)
Conversely, at night or on a hot day, water diffuses out of the guard cells also through osmosis and causes the guard cells to become flaccid and straigh
Effects of haze and dust on the survival of plants (1)
If the surroundings is hazy and dusty, the polluted air will be harmful to the growth and survival of plants
The views expressed in the flashcard here are those of the contributor and don’t necessarily represent the views of pandai
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Gaseous Exchange in Plants (3)
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