The product of conjugation in Spirogyra or fertilization of Chlamydomonas is
zygospore
zoospore
oospore
carpospore.
Sexual reproduction involving fusion of two cells in chlamydomonas is
isogamy
homogamy
somatogamy
hologamy.
Cycas has two cotyledons but not included in angiosperms because of
naked ovules
seems like monocot
circinate ptyxis
compound leaves
Top-shaped multiciliate male gametes, and the mature seed which bears only one embryo with two cotyledons, are characterised features of
cycads
conifers
polypetalous angiosperms
gamopetalous angiosperms
Largest sperms in the plants world are found in
Banyan
Cycas
Thuja
Pinus
A plant having seeds but lacking flowers and fruits belongs to
pteridophytes
mosses
ferns
gymnosperms.
In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times.As a result
there is high degree of sterility
one can conclude that the plant is apomictic
self fertilization is prevented
there is no change in success rate of fertilization.
Dichotomous branching is found in
liverworts
fern
Funaria
In ferns, meiosis takes place at the time of
spore formation
spore germination
gamete formation
antheridia and archegonia formation.
In which of the following would you place the plants having vascular tissue lacking seeds?
gymnosperms
algae
bryophytes
