The first dark reaction or CO2 fixation product is-
a. 3C – Organic Acid
b. 6C – Organic Acid
c. 5C – Organic Acid
d. 1C – Organic Acid
Melvin-Calvin used ------- radioactive in-----studies for the discovery of first CO2 fixation product.
a. 14C , Fungal photosynthesis
b. 14C , Algal photosynthesis
c. 15N , Fungal photosynthesis
d. 15N , Algal photosynthesis
The first product of C3 and C4 cycle are:
a. PGA, PGAL
b. PGA, OAA
c. PGAL, RuBP
d. PGAL, OAA
What is the primary acceptor of CO2 in dark reaction?
a. Ketose sugar
b. Aldose sugar
c. Fatty acid
Which of the following is not a step of photosynthesis?
The order of three steps of Calvin cycle is-
a. Carboxylation- Reduction-Regeneration
b. Reduction-Regeneration- Carboxylation
c. Regeneration-Carboxylation- Reduction
d. Reduction- Carboxylation –Regeneration
Calvin Pathway occurs-
a. Only C3
b. Only C4
c. All photosynthetic plants
d. only in C2 plants
The most crucial step of Calvin cycle-
How many molecules of 3-PGA are produced during a single run of carboxylation?