• 072920 77839
  • info@smartachievers.in
Menu
Back
  • JEE ADVANCE
  • JEE MAIN
  • NEET
  • BITSAT
  • CBSE BOARD
  • UP BOARD
  • CUET
JEE ADVANCE
  • CLASS XI - XII
  • CRASH COURSE
CRASH COURSE
JEE MAIN
  • CLASS XI - XII
  • CRASH COURSE
CRASH COURSE
NEET
  • CLASS XI - XII
  • CRASH COURSE
BITSAT
  • CLASS XI - XII
CBSE BOARD
  • CLASS IX
  • CLASS X
  • CLASS XI
  • CLASS XII
  • CLASS VI
  • CLASS VII
  • CLASS VIII
UP BOARD
  • CLASS IX
  • CLASS X
  • CLASS XI
  • CLASS XII
CUET
  • CRASH COURSE
Courses


Solution


Q.

Given below are two statements:
Statement I: The primary CO2 acceptor in C4 plants is phosphoenol pyruvate and is found in the mesophyll cells.
Statement II: Mesophyll cells of C4 plants lack RuBisCO enzyme.
In the light of the above statements, choose the correct answer from the options given below:             [2022]
 
1 Both statement I and statement II are correct.  
2 Both statement I and statement II are incorrect.  
3 Statement I is correct but statement II is incorrect.  
4 Statement I is incorrect but statement II is correct.  

Ans.

(1)

In C4 plants, the primary CO2 acceptor is a 3-carbon molecule phosphoenol pyruvate (PEP) and is present in the mesophyll cells. The enzyme responsible for the fixation is PEP carboxylase or PEPcase. Mesophyll cells of C4 plants lack RuBisCO enzyme, whereas bundle sheath cells are rich in an enzyme ribulose bisphosphate carboxylase-oxygenase (RuBisCO).