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Read the following statements :- (A) PEP case enzyme absent in Mesophyll cells of C 3 plants (B) Final product of secondary carboxylation is glucose in C 4 plants. (C) Primary carboxylation occur during day in CAM plants (D) CAM plants are photosynthetically more efficient compare to C 3 plants. Choose correct statements :- (1)A and B (2)C and D (3)B and C (4)A and D

Read the following statements :-
(A) PEP case enzyme absent in Mesophyll cells of C3 plants
(B) Final product of secondary carboxylation is glucose in C4 plants.
(C) Primary carboxylation occur during day in CAM plants
(D) CAM plants are photosynthetically more efficient compare to C3 plants.
Choose correct statements :-
(1)A and B
(2)C and D
(3)B and C
(4)A and D

Grade:

1 Answers

Arnab
25 Points
6 years ago
Obviously option 4 is correct,but option 1 is also correct,because mesophyll cellsof c3 plants contain RUBISCO enzyme,not PEPcase .PEPcase enzyme is present in the mesophyll cells of c4 plants.The second option is correct because the secondary carboxylation occurs in thr bundle sheath cell of c4 plants.Here the malic acid breaks into pyruvate and co2 and the co2 engages in the calvin cycle here.I think u know calvin cycle produces glucose. The 3rd option is totally wrong brcause in CAM plants primary carboxylation occurs in night.The 4 th option is correct because Crassulacean acid metabolism (CAM) plants minimize photorespiration and save water by separating these steps in time, between night and day.

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