vessels only
tracheitis only
equal number of both
more of tracheids and less of vessels
B. tracheitis only
Pirtus
Selaginella
Cycas
Funaria
4
3
2
0
Cycas
Pinus
Taxus
None of these
compact wood
soft-loose wood
compact wood with abundant parenchyma
soft-loose wood with abundant parenchyma
Cycas
Pinus
Both (a) and (b)
None of these
outer integument
endosperm
funiculus
nucellus
naked ovules
vessels
vascular tissue
none of these
isogamous
double
oogamous
siphonogamous
Pinus
Mango
Dalbergia
Ficus
Presence of ovuliferous scale
Embryo with two cotyledons
Resin canals in needles
Tracheids with bordered pits
Oscillatoria and Nostoc
Nostoc and Rivularia
Nostoc and A rmbaena
All of these
scales
pistils
stamens
petals
it is found only in China
it looks like a fern tree
it has ciliated sperms
it also occurs as a fossil
Cycas species
Pinus species
Papaver species
None of these
Pinus
Cycas
Sequoia
Selaginella
at the time of fertilization
before fertilization
after fertilization
before or after fertilization
positively geotropic
apogeotropic
phototropic
chemotropic
microsporophyll
microsporangium
megasporophyll
megasporangium
Dryopteris
Cycas
Pinus
Both (b) and (c)
one
two
three
four
closed, conjoint parallel vascular bundles
open, conjoint parallel vascular bundles
open, separate parallel vascular bundles
open, conjoint collateral vascular bundles
Selaginella
Pinus
Cycas
Funaria
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
Ephedra
Cycas
Pinus
Selaginella
Coniferales
Gnetales
Cycadales
Both (a) and (b)
Dryopteris
Grtetum
Pinus
Cycas
water
wind
insects
animals
1-4 leaves
2-5 leaves
2-4 leaves
1-5 leaves
vessels only
tracheitis only
equal number of both
more of tracheids and less of vessels