scales
pistils
stamens
petals
at the time of fertilization
before fertilization
after fertilization
before or after fertilization
Presence of ovuliferous scale
Embryo with two cotyledons
Resin canals in needles
Tracheids with bordered pits
water
wind
insects
animals
Oscillatoria and Nostoc
Nostoc and Rivularia
Nostoc and A rmbaena
All of these
Cycas
Pinus
Taxus
None of these
Funaria
Mango
Pinus
Wheat
Pinus
Cycas
Sequoia
Selaginella
schizogenous
lysogenous
schizolysogenous
none of these
cambium
cliliated sperms
seeds
flowers
Cycas
Pinus
Both (a) and (b)
None of these
positively geotropic
apogeotropic
phototropic
chemotropic
Ephedra
Cycas
Pinus
Selaginella
vessels only
tracheitis only
equal number of both
more of tracheids and less of vessels
closed, conjoint parallel vascular bundles
open, conjoint parallel vascular bundles
open, separate parallel vascular bundles
open, conjoint collateral vascular bundles
Dryopteris
Grtetum
Pinus
Cycas
Dryopteris
Cycas
Pinus
Both (b) and (c)
it is found only in China
it looks like a fern tree
it has ciliated sperms
it also occurs as a fossil
integument and nucellus
ovuliferous scale and integument
carpellary and ovuliferous scale
bract scale and integumnet
Coniferales
Gnetales
Cycadales
Both (a) and (b)
compact wood
soft-loose wood
compact wood with abundant parenchyma
soft-loose wood with abundant parenchyma
Pirtus
Selaginella
Cycas
Funaria
Ginkgo biloba
Pinus gerardiane
Cycas revoluta
None of these
Circinate venation of foliage leaves
Presence of armed parenchyma
Presence of motile sperm
Absence of vessels in the xylem
microsporophyll
microsporangium
megasporophyll
megasporangium
one
two
three
four
outer integument
endosperm
funiculus
nucellus
1-4 leaves
2-5 leaves
2-4 leaves
1-5 leaves
Cycas species
Pinus species
Papaver species
None of these
4
3
2
0