The C4 plants are more efficient than C3 plants because
A. they have two types of chloroplasts
B. carbon dioxide acceptor in them is PEP
C. they lack photorespiration
D. none of these
Answer:C
The C4 plants are more efficient than C3 plants because
A. they have two types of chloroplasts B. carbon dioxide acceptor in them is PEP C. they lack photorespiration D. none of these