11 Questions
What is the terminal structure of a stamen called?
Anther
If you were to collect a stamen from ten different flowers, what would you observe regarding size?
Large variation in size
In a typical angiosperm anther, how many theca does each lobe have?
Four theca
What distinguishes the transverse section of an anther?
Tetragonal structure
What do microsporangia develop into?
Pollen sacs
Where are pollen grains packed in the anther?
Microsporangia
What is the main function of the outer three wall layers of a microsporangium?
Provide protection and assist in pollen release
Which wall layer of a microsporangium nourishes the developing pollen grains?
Tapetum
How do tapetal cells become bi-nucleate?
Possessing more than one nucleus initially
What occupies the centre of each microsporangium when the anther is young?
Sporogenous tissue
What process occurs as the anther develops in microsporogenesis?
Meiotic divisions of sporogenous tissue cells
This quiz covers the characteristics and components of a typical stamen in flowering plants, including the filament, anther, and pollen grain. It also discusses variations in the number and length of stamens in different flower species.
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