6. The diagram shows a germinating bean seed with the seed coat removed.
M
What are the structures X, Y and Z?
A
B
C
D
X
cotyledon
plumule
plumule
radicle
structure
Y
radicle
cotyledon
radicle
plumule
X
Y
N
Z
plumule
radicle
cotyledon
cotyledon