1. GROUP MEMBERS NURUL HIDAYAH BT MANSOR D20091034826 MOHD HELMEE BIN HUSSIN D20091034828 WIJAYANTI BT AKHMAD D20091034833 NORIZA BT ISHAK D20091034845 NABILAH BT YUSOF D20091034854

26. Does the photorespiration occur in c3 crops during the drought??

27. Light dependent reaction Light independent reaction

33. WHAT ARE DIFFERENCES BETWEEN CROPS THAT THE FARMER GROWTH?

34. LET US NOW TAKE A CLOSELY LOOK AT C3 AND C4 PLANT.. C3 PLANT C4 PLANT PALM OIL BROMELIAD RUBBER TREE CACTUS

37. TEMPERATURE: C3 (10-25 °C) C4 (30-45 °C) C3 PLANT C4 PLANT dicotyledon plants monocotyledon stem are much more wider (2 nd growth) Less than C4 (no 2 nd growth) Short but wider leaf Leaves are much more longer more stomata particularly in the lower leaf surface (abaxial) C4 plants can have them on both surfaces In cool, wet, and cloudy inhabit hot, dry environments

38. C3 PLANT C4 PLANT bundle sheath cells do not contain chloroplasts bundle sheath cells contain chloroplasts carbon fixation and Calvin Cycle reactions occur in mesophyll cells ( presence of oxygen ) carbon is fixed in mesophyll cells, then transported to bundle sheath cells where Calvin Cycle reactions occur in the absence of oxygen C3 plants are more adapted to environments with more carbon dioxide C4 plants are more adapted to environments with more oxygen Less thicker than C4 plant C4 plants have thicker bundle sheath cell layers

39. ANATOMY OF THE C3 AND C4 PLANT

40. THANK YOU..