Question

Phloem cells send food material to the different parts of plants. Different parts are shown by arrows in the diagram. Among which arrows will show correct path of phloem.

• A. Only 2
• B. Only 1 and 3
• C. Both 2 and 3
• D. 1 , 2 and 3 all

Answer 1

Answer: (C)

Both 2 and 3

The translocation of sucrose occurs bidirectionally, initially from the location of its synthesis, that is, the leaves and other green plant to the utilizing and storing structures like the root. The sucrose that is stored in the form of starch in the roots, whenever required, is translocated back to the leaves as Sucrose. Here, the source sink relation depends on the direction of translocation of sucrose.

So, the correct answer is 'Both 2 and 3'