The dominant generation in the life cycle of a Pteridophyte is:
Gametophyte
Sporophyte
Both gametophyte and sporophyte are equally dominant
None of the above
Related Questions
In pteridophytes, phloem is without
Sieve cells
Blast cells
Companion cells
Bast fibres
In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result
There is no change in success rate of fertilization
There is high degree of sterility
One can conclude that the plant is apomictic
Self-fertilization is prevented
In Pteridophytes, the sporangia are usually borne on:
Roots
Stems
Sporophylls
Gametophytes
The 'ligulate leaves' found in some pteridophytes are primarily associated with which genus?
Dryopteris
Selaginella
Psilotum
Equisetum
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
The dominant generation in the life cycle of a Pteridophyte is the:
Gametophyte
Sporophyte
Prothallus
Antheridium
Which of the given genera is homosporous ?
Cycas
Pinus
Selaginella
Lycopodium
Which specific characteristic of Selaginella leads to its classification as a heterosporous pteridophyte?
Presence of rhizophores
Production of megaspores and microspores within the same strobilus
Homosporous nature with a single type of spore
Lack of a distinct strobilus
In pteridophyte, the sporophytes consist of leaf-like appendages called
Megaphylls
Sporophylls
Thalli
Sporangia
