The volume of O2 librated in photosynthesis has the following ratio to CO2.

Related MCQs

• A. The atmospheric concentration of CO2 at which photosynthesis just compensation point. R. The CO2 compensation point is reached when the amount of CO2 uptake is less than that generated through respiration because the level of CO2 in the atmosphere is more than that required for achieving CO2 compensation point.
• When amount of CO2 taken from atmosphere (in photosynthesis) becomes equal to the amount of CO2 released in atmosphere (in respiration), this is called
• A. Under conditions of high light intensity and limited CO2 supply, photorespiration has a useful role in protecting the plants from photo-oxidative damage. R. If enough CO2 is not available to utilize light energy for carboxylation to proceed, the excess energy may not cause damage to plants.
• In sugarcane plant CO2 is fixed in malic acid, in which the enzyme that fixes CO2 is
• Match Column – I with given under Column – II ; choose the answer which gives correct combination: Column – I(Scientists) Column – II(Contributions) P. A pigment which absorbs red and far-red light (i) Cytochrome Q. Main pigment involved in transfer of electrons in (ii) PEP carboxylase photosynthesis is R. NADPH2 is generated through.... (iii) Photochrome S. Enzyme which fixes CO2 in C4 plants (iv) Photosystems
• Photosynthesis in C4 plants is relatively less limited by atmospheric CO2 levels because :
• It is activated us he change of blood volume and volume of body fluid
• Which of the following opteon is correct for CO2 absorption in CAM ?
• One of the following is electron donor to P680 during light reactions of photosynthesis.
• In which of the following light, rate of photosynthesis is maximum?