Arrange the following tissues, organs, chemicals, and flows in the correct cyclical steps in the bulk flow of phloem sap.

i. sieve tube
ii. xylem vessel
iii. sucrose in leaf (source)
iv. sucrose in root (sink)
v. bulk flow by negative pressure
vi. bulk flow by positive pressure
Options
  • A. iii, i, vi, iv, ii, v
  • B. i, ii, iii, iv, v, vi
  • C. ii, i, iii, v, iv, vi
  • D. iii, ii, i, v, iv, iv
  • Correct Answer: Option A