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What happens to the rate of photosynthesis if the openings in the leaves were closed in daylight?
The stomata must be open in order to admit carbon dioxide, which is necessary for photosynthesis. Otherwise, you will see a sharp decrease in the rate of photosynthesis.
Why does photosynthesis not continue during the night like cellular respiration does?
plants respire during the day as well the rate of respiration is lower than the rate of photosynthesis in the day
Why the stomata on undersurface of leaf?
Stomata are mainly found on the undersurface of leaves to reduce water loss through transpiration. The lower surface is generally more shaded and cooler compared to the upper surface, which helps to minimize water loss by reducing the rate of transpiration. Additionally, having stomata on the undersurface can also protect the stomata from direct sunlight, preventing excess water loss.
Which plant does highest photosynthesis?
Algae has the highest rate of photosynthesis among plants because of their ability to efficiently use sunlight and nutrients in water. They are known for their rapid growth and ability to convert light energy into chemical energy at a fast pace.
How does a plant stomata work?
Stomata are tiny openings on the surface of leaves that regulate gas exchange in plants. They open to allow carbon dioxide to enter for photosynthesis and release oxygen, but close to prevent excessive water loss through transpiration. Stomata are surrounded by guard cells that control their opening and closing based on environmental cues like light intensity and moisture levels.
How does the number of stomata affect photosynthesis and transpiration?
The stomata are surrounded by guard cell which are tasked with the graduated opening and closing of the stomata. So, wide ope much carbon dioxide is diffusing into the cells and the rate of photosynthesis is high, but as the stomata work their way towards the closed position the rate of photosynthesis slows down until it can stop completely with no diffusion of CO2 through the closed stomata.
What happens to the rate of photosynthesis if the openings in the leaves were closed in daylight?
The stomata must be open in order to admit carbon dioxide, which is necessary for photosynthesis. Otherwise, you will see a sharp decrease in the rate of photosynthesis.
What would happen if the guard cells are closer together?
The stomata would be narrower, thus osmosis would occur less, thus photosynthesis would be less. The stomatal pore will become narrower. Gaseous exchange to and fro stomata will be reduced. This will affect the rate of photosynthesis in green plants.
How does the stomata affect the light reaction?
Stomata control the gas exchange in leaves, allowing carbon dioxide to enter for the light reaction of photosynthesis. When stomata open, carbon dioxide enters the leaf freely, enabling photosynthesis to occur efficiently. If stomata are closed, this can limit the availability of carbon dioxide, which can in turn affect the rate of the light reaction.
How does the stomata density affect the water loss?
Stomata density directly affects the rate of transpiration (water loss) in plants. Higher stomata density means more openings for water vapor to escape, leading to increased water loss. Conversely, lower stomata density reduces the rate of transpiration and helps plants conserve water.
Why does photosynthesis not continue during the night like cellular respiration does?
plants respire during the day as well the rate of respiration is lower than the rate of photosynthesis in the day
Why lower epidermis has more guard cells?
The lower epidermis of a leaf typically has more guard cells because it is exposed to the external environment and plays a crucial role in regulating gas exchange and water loss through stomata. Having more guard cells allows for a higher density of stomata, which helps optimize the balance between gas exchange for photosynthesis and water conservation.
Why the stomata on undersurface of leaf?
Stomata are mainly found on the undersurface of leaves to reduce water loss through transpiration. The lower surface is generally more shaded and cooler compared to the upper surface, which helps to minimize water loss by reducing the rate of transpiration. Additionally, having stomata on the undersurface can also protect the stomata from direct sunlight, preventing excess water loss.
A plant without enough water may wilt and close its stomata leaf openings This decreases the rate of photosynthesis because?
... closing the stomata prevents carbon dioxide from entering the leaves, which is needed for photosynthesis. This can lead to a reduced production of glucose and energy within the plant, ultimately affecting its growth and health.
Why rate of transpiration decreses with increase in atmospheric pressure?
Increasing atmospheric pressure can cause stomata to close, reducing the rate of transpiration in plants. Closed stomata limits the water vapor escaping from the leaves, thus decreasing the overall transpiration rate.
How does pH affect the rate of transpiration of a plant and why?
Stomata open in the presence of bases and close in the presence of acids. Therefore, the rate of transpiration is higher in bases due to that they are losing more water through their open stomata.
Which plant does highest photosynthesis?
Algae has the highest rate of photosynthesis among plants because of their ability to efficiently use sunlight and nutrients in water. They are known for their rapid growth and ability to convert light energy into chemical energy at a fast pace.
