Question
Biology Question on Pteridophytes
In pteridophytes, phloem is without
A
sieve cells
B
sieve tubes
C
companion cells
D
bast fibres
Answer
companion cells
Explanation
Solution
Pteridophytes are vascular, spore forming, non seed forming non flowering plants. The phloem of pteridophytes does not contain companion cells. The presence of companion cells is the characteristic feature of angiospermic phloem.