Which of the following gymnospermic corolloid roots are associated with -fixing cyanobacteria?
Pinus
Cycas
Cedrus
Ginkgo
Related Questions
The cones bearing megasporophyll with ovules are called
Male strobili
Female strobili
Megasporangia
Microsporangia
Resin duct of gymnospermous stem is an example of
Schizogenous intercellular space
Lysigenous intercellular space
Aerenchyma
Large vacuole
Though Cycas has two cotyledons, this is not included in dicot because
Of naked ovule
They have megaspore
Appears as palm tree
Has compound leaves
Winged pollen grains are characteristic of which plant group?
Gymnosperms
Angiosperms
Pteridophytes
Bryophytes
‘Chilgoza’ a gymnospermic seed that is eaten as dry fruit is produced by
Pinus roxburghii
Pinus geradiana
Ginkgo biloba
Cedrus deodara
Which is the tallest gymnospermic tree species?
Pinus
Cycas
Ginkgo
Red wood tree Siquoia
Cycads are
Homosporous and dioecious
Homosporous and monoecious
Heterosporous and dioecious
Heterosporous and monoecious
Gymnosperms include
Medium-sized trees
Tall tree
Shrubs
All of these
Select the correct statements.
Absorption of water by seeds and dry wood are examples of facilitated diffusion
The apoplast is the system of interconnected protoplasts
Pinus seeds cannot germinate and establish without the presence of mycorrhizae
The translocation in phloem is unidirectional, whereas in the xylem it is bidirectional
Which one is not the feature of Cycas?
Motile sperm
Circinate vernation
Presence of Flowers
Presence of coralloid roots
