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प्रश्न
Given ahead is a diagrammatic sketch of the sectional view of a germinating pollen grain. Study the same and then answer the question that follows:
Where does the germination of the pollen grain take place and how?
उत्तर
Germination of the pollen grain takes place only after it falls on the stigma of the same plant species. The pollen grain is stimulated to germinate due to the secretion of sugars by the stigma.
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संबंधित प्रश्न
What happens to the following after fertilization?
Stamens
Explain double fertilization and its significance.
Explain the development of a Dicot embryo
In double fertilization, the first male gamete fuses with the egg and the second male gan1ete fuses with which of the following?
In a breeding experiment, the selected male parent is diploid and the female parent is tetraploid. What will be the ploidy level of the endosperm that will develop after double fertilisation?
In ______ sepal is seen on the fruit after fertilization.
Ovules fall off after fertilization.
All the events from pollen deposition on the stigma until pollen tubes enter the ovules are together referred to as ______.
Name the part of gynoecium that determines the compatible nature of pollen.
Select the option that shows the correctly identified 'U', 'X', 'Y' and 'Z' in a developing dicot embryo.
