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Study the statements (a-d) given below &...

Study the statements (a-d) given below & select the correct option w.r.t transport in plants. (a) Transpiration pull model is the most acceptable to explain the transport of water. (b) The translocation in phloem is not explained by pressure flow hypothesis. (c) Diffusion is a slow process and is dependent on a 'living system'. (d) A C4 plant loses only half as much water as a C3 plant for the same amount of Co2 fixed.

A

a & c

B

a & d

C

b & c

D

a only

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