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Solution : Water controls the opening and closing of stomata. The deficiency of water causes stomata to open very little or it may even remain closed. Therefore, `CO_(2)` (required as a raw material for photosynthesis) cannot enter into the leaves and thus lack of water slows down the rate of photosynthesis.Now, if there’s not enough liquid water to absorb, plants will close their stomata in order to prevent more water vapor from escaping. This means that plants also don’t take up as much carbon dioxide as they need. Therefore, photosynthetic activity slows down.Water affects the rate of photosynthesis indirectly. When the water supply is limited then stomatal closure affects the rate of photosynthesis. Water stress causes the stomata to close and thereby reduces carbon dioxide availability.
How does the lack of water affect photosynthesis?
Now, if there’s not enough liquid water to absorb, plants will close their stomata in order to prevent more water vapor from escaping. This means that plants also don’t take up as much carbon dioxide as they need. Therefore, photosynthetic activity slows down.
Why water affects the rate of photosynthesis?
Water affects the rate of photosynthesis indirectly. When the water supply is limited then stomatal closure affects the rate of photosynthesis. Water stress causes the stomata to close and thereby reduces carbon dioxide availability.
GCSE Biology – Factors Affecting the Rate of Photosynthesis #49
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Can photosynthesis work without water?
To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight. for photosynthesis. Carbon dioxide enters through tiny holes in a plant’s leaves, flowers, branches, stems, and roots. Plants also require water to make their food.
Does more water increase the rate of photosynthesis?
The amount of water available to the plant will affect the rate of photosynthesis. If the plant does not have enough water, the plant’s stomata will shut and the plant will be deprived of CO².
What affects the rate of photosynthesis?
Three factors can limit the rate of photosynthesis: light intensity, carbon dioxide concentration and temperature.
What will happen to plants if there is no water?
Water enters a plant through its stem and travels up to its leaves. When a plant is properly hydrated, there is enough water pressure to make the leaves strong and sturdy; when a plant doesn’t get enough water, the pressure inside the stems and leaves drops and they wilt.
Factors That Affect the Rate of Photosynthesis | Biology for All | FuseSchool
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See some more details on the topic What is the effect of lack of water on the rate photosynthesis Why? here:
UCSB Science Line
Answer 1: Lack of water is especially detrimental to plants because they end up closing their stomata to conserve water. Healthy plants take in …
Causes of decreased photosynthetic rate and metabolic …
Water deficit (WD) decreases photosynthetic rate (A) via decreased stomatal conductance to CO2 (gs) and …
how does water affect the rate of photosynthesis | vq3r3ujss
Water affects the rate of photosynthesis indirectly. Water stress causes the stomata to close, thus reducing the availability of CO2.
Effect of water scarcity on plants
But when there is a shortage of water, the plants may slow down the process of photosynthesis or even stop it. And due to this, the internal …
Why do plants need water for photosynthesis biology?
Plants need water for photosynthesis. Absorbed by the roots, water travels through a plant’s stems to the chloroplasts in the leaves. Water also helps move nutrients from the soil into the plant. Too little water can cause a plant to wilt or droop.
How does water act as factor that affect the rate of photosynthesis in plants?
Solution : Water controls the opening and closing of stomata. The deficiency of water causes stomata to open very little or it may even remain closed. Therefore, `CO_(2)` (required as a raw material for photosynthesis) cannot enter into the leaves and thus lack of water slows down the rate of photosynthesis.
Why is water availability a limiting factor of photosynthesis?
Water is not generally considered a limiting factor because the amount needed is very small. However, lack of water can cause the plant’s stomata to close, which restricts its intake of carbon dioxide.
How does the amount of water affect plant growth?
If a plant’s soil has too much water, the roots can rot, and the plant can’t get enough oxygen from the soil. If there is not enough water for a plant, the nutrients it needs cannot travel through the plant. A plant cannot grow if it doesn’t have healthy roots, so the proper balance of water is key when growing plants.
How does water temperature affect photosynthesis?
The rate of photosynthesis is influenced by temperature. Higher the temperature, greater the rate of photosynthesis. This is because photosynthesis is a chemical reaction and most of the chemical reactions are accelerated with temperature.
Importance of water for photosynthesis
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What does not affect the rate of photosynthesis?
Photosynthesis is affected by light, temperature, water, and CO2. Stomata affect the process of transpiration and do not affect photosynthesis.
What is the rate of photosynthesis?
The rate of photosynthesis is a gross measure of the rate at which a plant captures radiant energy and fixes it in organic carbon compounds.
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