The Kranz anatomy in plants facilitates the spatial separation of which two key processes?
Initial fixation and the Calvin cycle
Light absorption and the Calvin cycle
Water transport and sugar transport
Nitrogen fixation and sugar synthesis
Related Questions
Photochemical reactions in the chloroplasts are directly involved in
Fixation of carbon dioxide
Synthesis of glucose and starch
Formation of phosphoglyceric acid
Photolysis of water and phosphorylation of ADP to ATP
Chemiosmosis requiresI) A thylakoid membrane II) A Proton pumpIII) Proton gradient IV) ATPase
I and IV only
I, II, III only
I, III, IV only
I, II, III, IV
In photosynthetic organisms, the Emerson enhancement effect is observed when:
Green light is used
Blue light is used
Red light is used alone
Red and far-red light are used simultaneously
First reaction in photosynthesis is
Photolysis of water
Excitation of chlorophyll molecule
Formation of APT
Fixation of
In light reaction, plastoquinone facilitates the transfer of electrons from
PS-II to complex
complex to PS-I
PS-I to
PS-I to ATP synthase
In the light-dependent reactions of photosynthesis, which photosystem's reaction center has an absorption maximum closest to 680 nm?
Photosystem II
Photosystem I
Both Photosystem I and II
Neither Photosystem I nor II
Non-cyclic phosphorylation occurs in
I. stroma lamellae
II. grana lamellae
III. chloroplast membrane
Select the correct option
Only I
II and III
I and III
Only II
The first acceptor of electrons from an excited Chlarophyll molecule of photosystem –II is?
Cytochrome
Iron – sulphr protein
ferredoxin
Pheophytin
Which one does not occur in cyclic photophosphorylation?
Oxygen is not given off
Water is not consumed
Only photosystem-I is involved
NADPHformation
In photo system-I, the first electron acceptor is
Ferredoxin
Cytochrome
Plastocyanin
An iron-sulphur protein
