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प्रश्न
Define 'microsporogenesis'.
उत्तर
The process of formation of microspores from microspore mother cell through meiotic cell division is called as ‘microsporogenesis’.
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संबंधित प्रश्न
Explain the stages involved in the maturation of microspore into a male gametophyte.
The outer layer of the pollen grain is thick and made up of a complex, non-biodegradable substance called _______.
In the following case mention the correct ratio of pollen mother cells, generative cells, vegetative cells, and male gametes produced by the microsporangium.
A total of 168 pollen grains with 14 chromosomes in each pollen grain are released from a mature microsporangium.
Read the following statements and select the correct option.
Statement I: Pollen mother cells (PMC) are the first male gametopbytic cells.
Statement II: Each pollen mother cell (PMC) produces two pollen grains.
Which of the following chemically inert compound is observed in the exine of pollen grain?
Draw a labelled diagram of the LS. of Anatropous ovule.
Complete the following flow chart:
Name the organic materials that constitute the exine and intine of the angiospermic pollen grain Write the significance of exine.
Give importance of the following: Germ pores.
Synergids are______.
