A) active transport
B) transpiration pull
C) inhibition theory
D) mass flow hypothesis
Correct Answer: D
Solution :
Mass flow hypothesis was proposed by Munch (1931). According to this, food materials are translocated through phloem along concentration gradient between food materials (source) to the site of utilization (sink).
You need to login to perform this action.
You will be redirected in
3 sec
