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WorksheetsFlower Structure
Total questions: 15
Worksheet time: 12mins
Which of these are both male reproductive structures?
Stigma and Style
Anther and Filament
Style and Ovary
Stigma and Anther
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 flower ,if megaspore mother cell forms megaspore ,without undergoing meiosis and if one megaspore develops into an embryo sac its nuclei would be
Haploid
Diploid
A few haploid ,a few diploid
With variable ploidy
Functional megaspore in an angiosperm develops into
ovule
endosperm
embryo sac
embryo
Generative nucleus divide to form
2 male gametes
pollen tube
2 polar nuclei
2 synergids
Embryo sac consist of all below except
egg
generative cell
antipodal cell
synergids
Embryo sac occurs in
embryo
style
ovule
pollen tube
Which of the following pair are haploid structures?
nucellus and antipodal cells
antipodal cells and egg cell
antipodal cells and megaspore mother cell
nucellus and primary endosperm nucleus
If there are 4 cells in anthers, what will be the number of pollen grains?
16
12
8
4
In angiosperms pollen tube liberate their male gametes into the
central cell
antipodal cells
egg cell
synergids.
