During photosynthesis, the reaction when PGA is converted into PGAL is..….…
a) oxidation
b) reduction
c) phosphorylation
d) both a and b
Dark reaction or light independent reaction is also known as ………..
a) citric acid cycle
b) calvin cycle
c) dark cycle
d) all of these
Explanation: it does not require direct energy of sunlight
The dark reaction or light independent reaction was investigated by…….
a) Alexander Flemming
b) Robert Whittaker
c) Melvin Calvin
d) M. Schlieden
During dark phase
of photosynthesis, …….is oxidized and ……..is reduced.
a) CO2 – H2O
b) H2O – CO2
c) H2O – NADP
d) NADPH2 – CO2
Where the ribulose biphosphate present which reacts with CO2 to 6 carbon compound.
a) membrane of thylakoid
b) stroma
c) grannum
d) cytoplasm
Explanation: ribulose biphosphate is 5-carbon compound
Ribulose biphosphate combines with carbon dioxide to form short lived 6-carbon compound which splits into two 3-carbon compound called……..
a) phophoglycerate
b) phophoglyceral dehyde
c) NADPH
d) all of these
