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If the said plant is rain fed and the pertinent soil is very low in water content then obviously the photosynthetic rate would be low or no at all. Second condition, if the plant is well irrigated then no rainfall does not affect its photosynthetic rate.

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Q: What happens to the rate of photosynthesis when there is no rainfall?
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What happens to the rate of photosynthesis during scanty rainfall in the area?

It decreases. To avoid transpiration leaves fold to reduce the surface area and roots penetrate deep inside.


What happens to the rate of photosynthesis when the weather becomes cold?

Photosynthesis occurs within an ideal band of temperature. As the temperature changes in either direction from the center of the band, the photosynthesis rate decreases.


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 mostly happens to the rate of photosynthesis as white light levels are decreased?

It decreases. Photosynthesis depends on the availability of light.


How temperature affects photosynthesis not only about its rate?

Photosynthesis happens rapidly when there is sunlight. Sunlight is a main factor necessary for Photosynthesis. So if the temperature is not hot enough, photosynthesis might not happen as rapidly as it happens when the sunlight is directly there.


What happens to the rate of photosynthesis if the concentration of carbon dioxide decreases?

It decreases with it. CO2 is essential for it


What happens to plant if the rate of respiration becomes more than rate of photosynthesis?

The plant's fine - until it runs out of stored "food".


When water becomes limited what generally happens to the rate of photosynthesis?

it stops and the plant wilts due to osmosis


What happens when you increase the amount of co2 given to plants?

The rate of photosynthesis increases. Carbon dioxide is a reactant in photosynthesis; if the reactants are increased, the reaction goes faster.


Labs on temperature temperature affacting rate of photosynthesis?

Generally, it comes down to the basic laws of chemistry. As the temperature increases, particles become more 'excited' and move quicker, therefore increasing the rate of photosynthesis. The opposite happens when temperature decreased, the particles move slower and therefore decreasing the rate of photosynthesis.


How does enzyme action affect the rate of photosynthesis?

It increases the rate of photosynthesis or vice versa...


How does light intensity and the rate of photosynthesis relate to the position of the sun?

Light intensity and the rate of photosynthesis relate to the position of the sun in a few ways. The higher the sun the faster the rate of photosynthesis.