Which of the following is the first product of photosynthesis to be identified……
a) phophoglycerate
b) phophoglyceral dehyde
c) ribulose biphosphate
d) glucose
Which of the following is/are used when PGA is converted into PGAL during dark reaction?
a) NADPH
b) ATP
c) FADH
d) both a and b
Explanation: energy from ATP and hydrogen from NADPH
Out of every six molecules of PGAL formed, how many molecule/s leave/s the cycle to be used by the plant for making glucose and other organic compounds?
a) one
b) two
c) three
d) five
Explanation: the other five are recycled to regenerate 3 molecules of RubP
The source of oxygen evolved during photosynthesis is……..
a) CO2
b) H2O
c) chlorophyll a
d) glucose
Dark reaction of photosynthesis gets completed by the regeneration of ……
a) PGAL
b) PGA
c) RuBP
d) rubisco
To produce one glucose molecule,……. ATP and ………NADPH2 molecules are required.
a) 18 – 12
b) 12 – 18
c) 9 – 6
d) 15 – 15
