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WorksheetsMicrosporogenesis and pollen grains
Total questions: 12
Worksheet time: 6mins
---------- tissue is responsible for producing pollen grains in microsporangia.
Endothecium
Tapetum
Epidermis
Sporogenous tissue
Mature pollen grain consists of vegetative cell and generative cell.
True
False
The process of formation of microspores from a pollen mother cell (PMC) throgh meiosis is called ---------
Microsporogenesis
Megasporogenesis
Each pollen mother cell (2n) divides through meiosis to produce 4 haploid cells called ------------
Macrospores
Microspores
Megaspores
Male reproductive whorl of flower is ----------
Calyx
Androecium
Gynoecium
Corolla
Inner wall layer of pollen grain , intine consists of --------
pectin
cellulose and pectin
Sporopollenin
cellulose
State the ploidy of pollen grain
Haploid
Diploid
Triploid
Tetraploid
Innermost wall layer of a microsporangium in an anther is ----------
Epidermis
Middle layers
Tapetum
Endothecium
Anther lobe having two theca are --------
Bilobed
Monothecous
Dithecous
Apocarpous
The chemical substance present in pollen is resistant to strong acid,alkali and high temperature is -----------------
Lignin
Pectin
Cellulose
Sporopollenin
Identify the figure
Carpel
Stamen
Pistil
Calyx
Label the part A
Pollen grain
Tapetum
Connective
Stomium
