A) Companion cells only
B) Both sieve tubes and companion cells
C) Albuminous cells and sieve cells
D) Sieve tubes only
Correct Answer: B
Solution :
Both sieve tubes and companton cells in gymnosperms only sieve cells and albuminous cells are present but they lack sieve tubes and companion cells?
You need to login to perform this action.
You will be redirected in
3 sec
