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प्रश्न
Give a neat and labelled sketch of the germinating angiospermic pollen grain.
उत्तर
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संबंधित प्रश्न
During fertilisation male gamete are carried by pollen tube. This is called ______.
Sketch and label a pollen grain of angiosperms.
Sketch and label structure of male gametophyte in angiosperm.
Name the layer which supplies nourishment to the developing pollen grains.
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.
What would be the number of chromosomes in the pollen grain, endosperm and integument if the diploid number of an angiospermic plant is 24?
Pollen grain develops from which layer/tissue of the anther?
In angiosperms, the development of male gametophytes takes place from ______
Generally, the embryo sac in angiosperms is ______
Microspores in angiosperms are represented by ______.
