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6.Anatomy of Flowering Plants
normal
Which of the following is absent in phloem of Pinus
A
Phloem parenchyma
B
Sieve cells
C
Companion cells
D
None of these
Solution
(c) Companion cells are not found in pteridophytes and gymnosperms $(Pinus)$ but are always present in angiosperms.
Standard 11
Biology
