Marshall and Wardlaw proposed the theory of

Mass flow hypothesis was first described by

Who proposed the blood-like translocation of solutes in plants?

What is the transport pathway in rooted plants for organic nutrients?

Assertion : Long distance flow of photoassimilates in plants occurs through sieve tubes.
Reason : Mature sieve tubes have parietal cytoplasm and perforated sieve plates.

When sugars enter sieve tubes,water flows by osmosis,resulting in: