The production of two distinct types of spores, megaspores and microspores, in plants like Selaginella and Salvinia is known as:
Heterosporous
Homosporous
Isogamy
Anisogamy
Related Questions
Which has vascular tissue, produces spores, but does not has seeds?
Bryophyta
Pteridophyta
Gymnosperms
Angiosperms
Fern gametophyte shows …… nature.
Homothallic
Fragmentation
Heterothallic
None of these
The dominant phase in the life cycle of a pteridophyte is the:
Gametophyte
Sporophyte
Prothallus
Zygote
In some pteridophytes, sporophyll form distinct compact structures called ...A… in …B… and …C… Here A, B and C refers to
A-sporocarp, B-Pogonatum, C-Selaginella
A-spikelet, B-Riccia, C-Marchentia
A-strobilus, B-Selaginella, C-Equisetum
A-spike, B-Fern, C-Salvinia
In homosporous pteridophyte, the gametophyte is
Vascular
Monoecious
Dioecious
May be monocious or dioecious
Which of the following is an example of a Pteridophyte?
Funaria
Marchantia
Selaginella
Cycas
Heterosporous Pteridophyte is
Salvinia
Lycopodium
Pteris
Funaria
Unlike its predecessors, the retention of the female gametophyte on the parent sporophyte allows for:
Increased spore production
Enhanced photosynthesis
Reduced reliance on water for fertilization
Improved dispersal of spores
The kidney-shaped covering of sorus in Dryopteris, is called
Placenta
Ramentum
Sporophyll
Indusium
Leaf in young condition in fern is called
Scale leaf
Sporophyll
Circinate ptyxis
None of these
