Oscillatoria and Nostoc
Nostoc and Rivularia
Nostoc and A rmbaena
All of these
A. Oscillatoria and Nostoc
positively geotropic
apogeotropic
phototropic
chemotropic
Pinus
Cycas
Sequoia
Selaginella
roots of Pinus
normal roots of Cycas
coralloid roots of Cycas
stems of Pinus
Pirtus
Selaginella
Cycas
Funaria
Ephedra
Cycas
Pinus
Selaginella
Circinate venation of foliage leaves
Presence of armed parenchyma
Presence of motile sperm
Absence of vessels in the xylem
Cycas species
Pinus species
Papaver species
None of these
closed, conjoint parallel vascular bundles
open, conjoint parallel vascular bundles
open, separate parallel vascular bundles
open, conjoint collateral vascular bundles
Dryopteris
Grtetum
Pinus
Cycas
Ginkgo biloba
Pinus gerardiane
Cycas revoluta
None of these
naked ovules
vessels
vascular tissue
none of these
Dryopteris
Cycas
Pinus
Both (b) and (c)
one
two
three
four
schizogenous
lysogenous
schizolysogenous
none of these
Cycas
Pinus
Both (a) and (b)
None of these
sieve tubes
companion cells
pohloem parenchyma
none of these
it is found only in China
it looks like a fern tree
it has ciliated sperms
it also occurs as a fossil
scales
pistils
stamens
petals
vessels only
tracheitis only
equal number of both
more of tracheids and less of vessels
4
3
2
0
1-4 leaves
2-5 leaves
2-4 leaves
1-5 leaves
Bryophyfces
Pteridophyfees
Gymnosperms
None of these
Coniferales
Gnetales
Cycadales
Both (a) and (b)
isogamous
double
oogamous
siphonogamous
Funaria
Mango
Pinus
Wheat
Pinus
Mango
Dalbergia
Ficus
compact wood
soft-loose wood
compact wood with abundant parenchyma
soft-loose wood with abundant parenchyma
outer integument
endosperm
funiculus
nucellus
water
wind
insects
animals
Selaginella
Pinus
Cycas
Funaria