For synthesis of one hexose sugar, how many times Calvin cycle is turned ?
12
2
6
3
C.
6
Each Calvin cycle consume one carbon from CO2. Therefore, to generate one hexose sugar the Calvin cycle turns 6 times.
Photosynthetic bacteria have :
pigment system I (only one pigment system)
pigment system II
both (a) and (b)
some other type
C4 plants, synthesis of sugars/final CO2 fixation occurs in:
palisade cells
spongy cells
undifferentiated mesophyll cells
bundle sheath cells
Active K+ exchange mechanism for opening and closing of stomata was given by
Darwin
Levit
Scarth
Khorana
The specific character of C4 plants is
bulliform cells
Kranz anatomy
parallel venation
isobilateral leaf