How do you calculate light compensation points?

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What is light compensation point?

The (light) compensation point is the light intensity on the light curve where the rate of photosynthesis exactly matches the rate of cellular respiration.

How do you calculate CO2 points?

The CO2 compensation point in the absence of day respiration (Γ*) was subsequently calculated from C * by accounting for mesophyll conductance (g m) and R d according to Γ*=C *+R d/g m, with g m equal to 0.2 and 0.35mol CO2 m–2 bar–1 at 25 and 35 °C, respectively.

What is the CO2 − compensation point γ?

The CO2. photocompensation point (Γ*), the chloroplastic CO2 partial. pressure at which rates of Rubisco carboxylation equal rates. of CO2 loss from photorespiration, is a key parameter in. these models and combines Rubisco specificity (Sc/o), O2.

What is C3 and C4 cycle?

C3 cycle is found in almost all the plants. C4 cycle is found in only C4 plants like sorgham and maize. The first stable compound produced in C3 cycle is a three carbon compound, 3 phosphoglyceric acid. The first stable compound produced is a four carbon compond, Oxaloacetic acid.

How do you calculate compensation depth?

The compensation point, the depth where photosynthesis equals respiration can be estimated by multiplying the Secchi disk depth by about two.

What is CO2 saturation point?

The optimum CO2 concentration for C4 plants is 360 μl/L or 360 ppm.

Which of the following have high CO2 compensation point?

Thus, the correct answer is option A which is C3 plants. Note:- C3 plants show high CO2 compensation point as in C3 plants, there is photorespiration which increases the output of carbon dioxide and thus the compensation point is achieved at higher carbon dioxide concentration.

What is compensation point Class 11?

Compensation point: The compensation point is the value of light intensity on the light curve where the rate of photosynthesis exactly matches the rate of respiration.

What is compensation point Class 10?

Class 10th. Answer : The compensation point is the amount of light on the light curve where the rate of photosynthesis exactly matches the rate of respiration.

How many ATP are used in C3 cycle?

Products of C3 Cycle 3 ATP and 2 NADPH molecules are used during the reduction of 3-phosphoglyceric acid to glyceraldehyde-3 phosphate and in the regeneration of RuBP. 18 ATP and 12 NADPH are consumed in the production of 1 glucose molecule.

What are the 3 stages of Calvin cycle?

Reactions of the Calvin cycle The Calvin cycle reactions can be divided into three main stages: carbon fixation, reduction, and regeneration of the starting molecule.

What is meant by light compensation point?

The point in light intensity when the rate of photosynthesis and rate of respiration becomes equal and no need of exchange of gases from outside i.e. carbon dioxide of respiration completes requirements of photosynthesis and Oxygen of photosynthesis meets out the requirement of respiration, is called light compensation point.

What is the light compensation point of photosynthesis?

The (light) compensation point is the amount of light intensity on the light curve where the rate of photosynthesis exactly matches the rate of respiration. At this point, the uptake of CO2 through photosynthetic pathways is exactly matched to the respiratory release of carbon dioxide,…

What is Baidu Tieba light compensation point?

Baidu Tieba light compensation point- the minimum PPFD for plants, at this point the intensity of photosynthesis will be higher than respiration, plants start growing. light saturation point- the MAX PPFD to get the MAX photosynthesis rate, exceed this point will be no effect even harmful for plants.

What is the compensation point of a plant?

For aquatic plants where the level of light at any given depth is roughly constant for most of the day, the compensation point is the depth at which light penetrating the water creates the same balanced effect.