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प्रश्न
Give a neat and labelled sketch of the germinating angiospermic pollen grain.
उत्तर
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संबंधित प्रश्न
Sketch and label a pollen grain of angiosperms.
Identify the CORRECT statement/s with reference to the germ pores present in the pollen grain.
The intine of a pollen grain is made up of which of the following?
During which of the following steps does extrusion of second polar body from egg nucleus occur?
Identify the CORRECT statement with respect to pollen grains.
Statement I: The pollen grains are shed from the anther, at two-celled stage in most of the angiosperms.
Statement II: intine is made of cellulose and pectin and it is discontinuous with germ pores.
Which type of flowers produce ribbon-like pollen grains without exine?
In which of the following only desired pollen grains are hand pollinated and used for fertilization?
How many synergids and antipodals respectively are present in a typical angiosperm embryo sac at maturity?
Pollen grain develops from which layer/tissue of the anther?
In angiosperms, the development of male gametophytes takes place from ______
