PHLOEM TRANSPORT

Assertion :- Food is transported by phloem from source to sink, primarily in form of sucrose. Reason:- Sucrose is chemically inert but osmotically active.

A : Soyabean export the fixed nitrogen as ureides. R : Amides contain excess nitrogen and they are transported via phloem sieve tubes.

What do the following transport? (i) Xylem (ii) Phloem (iii) Pulmonary vein (iv) Vena cava

[A]: Phloem is the main conducting tissue. [R]: Phloem does the· function of conduction of water.

Parenchyma: Simple : Phloem:………….

Xylem ||Phloem