A) J. C. Bose
B) Dixon and Jolly
C) de Vries
D) Curtis
Correct Answer: D
Solution :
This theory occurs in sieve tube elements of phloem and the solute molecules caught up in the circulating cytoplasm and carried from one end to the other of the sieve tube. The theory was given by Curtis.
You need to login to perform this action.
You will be redirected in
3 sec
