Structural Organisation In Animals Question 303
Question: Which of the following is absent in the primary and secondary structure of stem of Pinus [AIIMS 2000]
Options:
A) Sieve tubes
B) Mucilage duct
C) Companion cells
D) Phloem parenchyma
Show Answer
Answer:
Correct Answer: C
Solution:
Companion cells are found in angiosperms only.
In gymnospermic plants albuminous cells are found in place of companion cells.
BETA
