Gymnosperms Flashcards
1
Q
which gymnosperm species is one of the tallestt
A
sequoia (redwood tree)
2
Q
roots are generally
A
tap roots
3
Q
mycorrhiza is present in
A
pinus
4
Q
coralloid roots are present in
A
cycas
5
Q
coralloid roots are associated with
A
nitrogen fixing cyanobacteria
6
Q
unbranced stems are seen in
A
cycas
7
Q
branched stems are seen in
A
pinus
cedrus
8
Q
type of leaves in cycas
A
pinnately compound
9
Q
which modifications help them to survive extreme conditions
A
needle-like leaves reduce surface area
thick cuticle and sunken stomata reduces water loss
10
Q
are gymnosperms heterosporous or homosporous
A
heterosporous
11
Q
male gametophyte is called
A
pollen grain
12
Q
microsporophylls and megasporophylls are seen on same tree in
A
pinus
13
Q
microsporophyll and megasporophyll are seen on different trees in
A
cycas
