Photosynthesis Question 55
55. Bundle sheath cells
[NEET Kar. 2013]
(a) Are rich in RUBisCo
(b) Are rich in PEP carboxylase
(c) Lack RuBisCo
(d) Lack both RuBisCo and PEP carboxylase
Show Answer
Answer : a
Hints & Solution
(a) In $C_4$ plants, bundle sheath cells are rich in $RuBisCO$, but lack PEPcase. The $CO_2$ released in the bundle sheath cells enters the $C_3$ or the calvin pathway, common to all plants. Thus, the basic pathway that results in the formation of sugars, the calvin pathway is common to the $C_3$ and $C_4$ plants.
