1. Cell type in which initial carboxylation reaction occurs in C3 and C4 plants.?
OPTIONS: a) mesophyll
b) bundle sheath
c) both a) and b)
2. how many cell types does leaf have that fix CO2 in C3 and C4 plants?
a) two : bundle sheath and mesophyll
b) one : mesophyll
c) three : bundle sheath, palisade mesophyll, spongy mesophyll
