Structural Organisation In Animals Question 162
Question: Amphiphloic (bicollateral) condition of stele means that [BHU 1979; RPMT 1997; BVP 2003]
Options:
A) Phloem is surrounded by xylem
B) Phloem is on both sides of xylem
C) Phloem is internal to xylem
D) Phloem is external to xylem
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Answer:
Correct Answer: B
Solution:
When phloem is present on both external and internal sides of the xylem.
e.g., Marsilea, Adiantum.