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