Solution:
Mesophyll cells of C4 plants have PEP carboxylase. Mesophyll cells of C3 plants and bundle sheath cells of C4 plants have RuBP Carboxylase Oxygenase.
RuBisCO is absent in
Mesophyll cells of C4 plants have PEP carboxylase. Mesophyll cells of C3 plants and bundle sheath cells of C4 plants have RuBP Carboxylase Oxygenase.