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