Red light favours the …A… accumulation. Blue light favours the …B… accumulation
Here A and B refer to
A: Pfr (Phytochrome far-red), B: Cryptochrome
A: Pr (Phytochrome red), B: Phototropin
A: Cryptochrome, B: Pfr (Phytochrome far-red)
A: Phototropin, B: Pr (Phytochrome red)
Related Questions
In grana of chloroplast, the reaction during day shows
Oxidative phosphorylation
Photophosphorylation
Substrate level phosphorylation
Dephosphorylation
The process by which ATP is produced in the inner membrane of a mitochondrion, the electron transport system transfers protons from the inner compartment to the outer, as the protons flow back to the inner compartment, the energy of their movement is used to add phosphate to ADP, forming ATP is
Chemiosmosis
Phosphorylation
Glycolysis
Fermentation
Oxygen is not produced during photosynthesis by
Chara
Green sulphur bacteria
Cyca
Nostoc
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
The water splitting complex is associated with
PS-I
PS-II
Carotenoid
Xanthophyll
Substance which is essential for the respiration as well as photosynthesis is
Water
Carbon dioxide
Light
Oxygen
The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that adenosine triphosphate (ATP) is formed because
High energy bonds are formed in mitochondrial proteins
ADP is pumped out of the matrix into the intermembrane space
A proton gradient forms across the inner membrane
There is a change in the permeability of the inner mitochondrial membrane towards adenosine diphosphate (ADP)
DCMU
Inhibits PS-I
Inhibits PS-II
Destroy chloroplast
Inhibits oxidative phosphorylation
I. Cyclic photophosphorylation needs PS-I and PS-II
II. Cyclic photophosphorylation produced NADPH + H^+ and ATP
III. Cyclic photophosphorylation involves
IV. Electrons are recycled in cyclic photophosphorylation
Identify the correct and incorrect statement and select the option accordingly
I, II and III are incorrect, IV in correct
I, II and IV are incorrect, III is correct
I, II and III are incorrect, II in correct
IV, III and Ii are incorrect, I in correct
Protons produced by the splitting of water in light reaction of photosynthesis accumulates within the reaction of photosynthesis accumulates within the
Lumen of thylakoids
Intermembrane of chloroplast
Stroma of chloroplast
Outside the lumen of thylakoids
