Under conditions of high light intensity and limited CO2 availability, which process is most likely to be favored in chloroplasts?
Enhanced Calvin cycle activity
Increased non-cyclic photophosphorylation
Photorespiration
Increased synthesis of chlorophyll
Related Questions
The concentration of in atmosphere is between
200-250 ppm
300-350 ppm
400-420 ppm
500-550 ppm
In Z-scheme of light reaction the, participating pigment system are
I. PS-I II. PS-II III. PS-III
IV. Carotenoid and xanthophyll
Choose the correct option
I and II
I, II and III
I, III and IV
II and III and IV
I. It is the characteristics of plants
II. It is the characteristics of plants
III. It occurs in chloroplast
IV. It occurs in daytime
V. It occurs in night
Select the correct options in relation to photorespiration
I, III, IV
II, III, IV
I, III, V
II, IV, V
If a herbicide specifically inhibits the plastoquinone binding site of Photosystem II, which of the following would be the most immediate consequence?
Increased ATP production
Accumulation of NADPH
Cessation of electron flow from water to Photosystem II
Enhanced cyclic photophosphorylation
During ATP synthesis, electrons pass through?
Cytochromes
Bacterial photosynthesis involves
Both PS-I and PS-II
Either PS-I or PS-II
PS-I only
PS-II only
Photo System is made up of which of the following?
Reaction centre
Antenna molecule
Both (a) and (b)
Reaction centre and
Photophosphorylation differs from oxidative phosphorylation in requiring input of energy in the from of
Light
Heat
AMP
NAD
Chemiosmatic hypothesis is based on
Membrane potential
Proton gradient
Accumulation of ions
accumulation of ions
Which type of light converts the inactive form of phytochrome to its active form?
red light
far-red light
blue light
green light
