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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:
Name the parts labelled 1, 2, 3, 4 and 5.
उत्तर
1 → Exine
2 → Intine
3 → Pollen tube
4 → Tube nucleus
5 → Generative nucleus
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संबंधित प्रश्न
What is triple fusion?
Fill in the blanks with suitable words.
Transference of pollen grains from anthers to stigma of the same flower is called ________.
What are the advantages of the following in the flower to the plant concerned?
Protruding and easily movable anthers
Caruncle develops from
Write a short note on Pollen kitt.
Give a concise account of the steps involved in the fertilization of an angiosperm plant.
The success of seed plants on land is mainly due to ______.
By which of the following the megasporangium proper of an angiosperm ovule is represented?
What would be the number of chromosomes in the megaspore mother cell of the plant if an endosperm of an angiosperm has 24 chromosomes?
If the cells of the nucellus in the angiosperm ovule contain 24 chromosomes, then ____________ chromosomes will be present in the endosperm of a self-pollinated flower.
