WorksheetsSexual reproduction in flowering plants
Total questions: 10
Worksheet time: 5mins
Autogamy can occur in a chasmogamouus flower if
Pollen matures before maturity of ovule
Ovule mature before maturity of pollen
Both ovule and pollen matures simultaneously
Both anther and stigma are of equal length
During microsporogenesis meiosis occurs in
Endothecium
Microspore mother cell
Microspore tetrad
pollen grains
A particular species of a plant produces,light non sticky ,numerous pollen grains and long and feathery stigma. These modifications facilitates the pollination by
Insects
Water
Wind
Animals
In an embryo sac,the cells that degenerate after fertilization are
Synergies and primary endosperm cell
Synergids and antipodal cell
Antipodal cell and primary endosperm cell
Egg and antipodals
In a fertilized embryo sac ,haploid,diploid, triploid structures are
Synergid,zygote, PEN
Synergids, antipodal, polar nuclei
Antipodal, synergids, PEN
Synergids, polar nuclei, zygote
The outermost and innermost wall layers of a microsporangium in an anther are
Endothecium ,tapetum
Epidermis, endodermis
Epidermis, middle layers
Epidermis, tapetum
The process of formation of seeds without fertilization in flowering plants is known as
budding
apomixis
sporulation
somatic hybridisation
Functional megaspore in an angiosperm develops into
ovule
endosperm
embryo sac
embryo
Coconut water from a tender coconut is
Degenerated nucellus
Immature embryo
Free nuclear endosperm
Innermost layers of the seed coat
Filiform apparatus is characteristic feature of
Synergids
Generative cell
Nucellar embryo
Aleurone cell
