Question

Read the given statements and select the correct option.
Statement 1 : Xylem transport is unidirectional.
Statement 2 : Phloem transport is bi-directional.

• A. Both statements 1 and 2 are correct
• B. Statement 1 is correct but statement 2 is incorrect
• C. Statement 1 is incorrect but statement 2 is correct
• D. Both statements 1 and 2 are incorrect

Answer 1

Answer: (A)

Water passage from root hair to xylem and then to other parts is unidirectional (unidirectional upwards in xylem). The direction of movement of organic solutes in phloem can be upwards or downwards i.e., bi-directional.