When pollen grains are not transferred from anthers to stigma in a flower, due to the physical barrier, it is called

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• The process of transfer of pollen grains from the anther to the stigma is known as ...... .
• Transfer of pollen to the stigma is called
• Transfer of a pollen grain to the stigma of the same plant is called
• Which structure provides surface for the settlement of pollen grains in angiosperm plants ?
• Where do pollen grains germinate ?
• Pollen grains germinate on
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• Wind pollination requires that the pollen grains are
• In a plant, gene "T" is responsible for tallness and its recessive allele "t" for dwarfness and "R" is reponsible for red colour flower and its recessive allele "r" of white flower colour. A tall and red flowered plant with genotype TtRr crossed with dwarf and red flowered ttRr. What is the percentage of dwarf - white flowered offspring of above cross ?