vessels only
tracheitis only
equal number of both
more of tracheids and less of vessels
Ephedra
Cycas
Pinus
Selaginella
at the time of fertilization
before fertilization
after fertilization
before or after fertilization
isogamous
double
oogamous
siphonogamous
one
two
three
four
closed, conjoint parallel vascular bundles
open, conjoint parallel vascular bundles
open, separate parallel vascular bundles
open, conjoint collateral vascular bundles
Ginkgo biloba
Pinus gerardiane
Cycas revoluta
None of these
Dryopteris
Grtetum
Pinus
Cycas
Circinate venation of foliage leaves
Presence of armed parenchyma
Presence of motile sperm
Absence of vessels in the xylem
sieve tubes
companion cells
pohloem parenchyma
none of these
positively geotropic
apogeotropic
phototropic
chemotropic
it is found only in China
it looks like a fern tree
it has ciliated sperms
it also occurs as a fossil
1-4 leaves
2-5 leaves
2-4 leaves
1-5 leaves
Funaria
Mango
Pinus
Wheat
Cycas
Pinus
Both (a) and (b)
None of these
roots of Pinus
normal roots of Cycas
coralloid roots of Cycas
stems of Pinus
integument and nucellus
ovuliferous scale and integument
carpellary and ovuliferous scale
bract scale and integumnet
Bryophyfces
Pteridophyfees
Gymnosperms
None of these
Dryopteris
Cycas
Pinus
Both (b) and (c)
Selaginella
Pinus
Cycas
Funaria
naked ovules
vessels
vascular tissue
none of these
Cycas
Pinus
Taxus
None of these
Pinus
Cycas
Sequoia
Selaginella
scales
pistils
stamens
petals
compact wood
soft-loose wood
compact wood with abundant parenchyma
soft-loose wood with abundant parenchyma
outer integument
endosperm
funiculus
nucellus
Oscillatoria and Nostoc
Nostoc and Rivularia
Nostoc and A rmbaena
All of these
Pirtus
Selaginella
Cycas
Funaria
4
3
2
0
Presence of ovuliferous scale
Embryo with two cotyledons
Resin canals in needles
Tracheids with bordered pits