Gymnosperm Flashcards
1
Q
Tallest tree
A
Sequoia, gaint red wood tree
2
Q
Gymnosperm have….. Root system
A
Tap root
3
Q
Stem unbrached
A
Cycas
4
Q
Branched
A
Cedrus, pinus
5
Q
Cyacs … Leaves
A
Pinnate
6
Q
Conifers….. And….. Reduce water loss
A
Sunken stonata, thick cuticle
7
Q
Gymnosperm are
A
Hetrosporous
8
Q
The strobili bearing microsporophyy and microsporangia
A
Male strobili and microsporangiate
9
Q
Microspore develops into
A
Male gametophytic generation
10
Q
Male gametophytic generation are….
A
Highly reduced and confined to only limited no. Of cells
11
Q
Development of pollen grain takes place within
A
Microsprangi
12
Q
Mega spore mother cell is differentiated from one of the cell of
A
Nucellus
13
Q
Nucellus is protected by
A
Envelope
14
Q
Composite structure is
A
Ovule
15
Q
Composite structure is
A
Ovule
