Coniferales
Gnetales
Cycadales
Both (a) and (b)
B. Gnetales
scales
pistils
stamens
petals
one
two
three
four
sieve tubes
companion cells
pohloem parenchyma
none of these
Oscillatoria and Nostoc
Nostoc and Rivularia
Nostoc and A rmbaena
All of these
schizogenous
lysogenous
schizolysogenous
none of these
isogamous
double
oogamous
siphonogamous
Ephedra
Cycas
Pinus
Selaginella
outer integument
endosperm
funiculus
nucellus
naked ovules
vessels
vascular tissue
none of these
Dryopteris
Cycas
Pinus
Both (b) and (c)
vessels only
tracheitis only
equal number of both
more of tracheids and less of vessels
Bryophyfces
Pteridophyfees
Gymnosperms
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
water
wind
insects
animals
Pinus
Cycas
Sequoia
Selaginella
roots of Pinus
normal roots of Cycas
coralloid roots of Cycas
stems of Pinus
Pinus
Mango
Dalbergia
Ficus
Selaginella
Pinus
Cycas
Funaria
Ginkgo biloba
Pinus gerardiane
Cycas revoluta
None of these
positively geotropic
apogeotropic
phototropic
chemotropic
Dryopteris
Grtetum
Pinus
Cycas
Presence of ovuliferous scale
Embryo with two cotyledons
Resin canals in needles
Tracheids with bordered pits
Cycas species
Pinus species
Papaver species
None of these
4
3
2
0
compact wood
soft-loose wood
compact wood with abundant parenchyma
soft-loose wood with abundant parenchyma
Cycas
Pinus
Taxus
None of these
cambium
cliliated sperms
seeds
flowers
Funaria
Mango
Pinus
Wheat
integument and nucellus
ovuliferous scale and integument
carpellary and ovuliferous scale
bract scale and integumnet