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प्रश्न
Sketch and label a pollen grain of angiosperms.
उत्तर
APPEARS IN
संबंधित प्रश्न
Sketch and label structure of male gametophyte in angiosperm.
Give a neat and labelled sketch of the germinating angiospermic pollen grain.
Identify the CORRECT statement/s with reference to the germ pores present in the pollen grain.
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.
In which of the following only desired pollen grains are hand pollinated and used for fertilization?
Pollen grain develops from which layer/tissue of the anther?
A pollen grain is provided resistance from physical and biological decomposition by its ______
Which type of pollen grains are found in insect pollinated flowers?
What is Chiropterophily? Why the transfer of pollen grains is important?
Describe the process of development of male gametophyte in angiosperms.