Plant Kingdom Question 403
Question: In pteridophytes, phloem is without [Orissa JEE 2005]
Options:
A) Sieve cells
B) Sieve tubes
C) Companion cells
D) Both (b) and (c)
Show Answer
Answer:
Correct Answer: C
Solution:
In xylem, vessels are absent and in phloem, companion cells are absent.
Selaginella and Equisetum are exception where vessels are present.