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प्रश्न
Explain the post fertilization changes that occur in the ovary of a flower.
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उत्तर
The fusion of the female gamete (ovum or egg) and the male gamete created in the pollen tube by the pollen grains is known as fertilisation. The ovary transforms into the fruit after fertilisation, while the ovary wall transforms into the pericarp.
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संबंधित प्रश्न
Fill in the following blank with suitable word :
Pollen grains contain ............ gametes of a plant.
Explain the terms 'cross-pollination'?
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the zygote?
What changes take place in the flower after fertilisation which lead to the formation of seeds and fruit?
In a bisexual flower, inspite of the young stamens being removed artificially, the flower produces fruit. Explain.
Differentiate between self-pollination and cross-pollination.
Find an odd one out.
Gloriosa superba exhibits ______.
Which among the following statements are true for unisexual flowers?
- They possess both stamen and pistil
- They possess either stamen or pistil
- They exhibit cross pollination
- Unisexual flowers possessing only stamens cannot produce fruits
In flowering plants, the pollen grains are transferred to stigma by pollination but the female germ cells are present in the ovary.
Explain with the help of a labelled diagram (only concerned parts), how the male germ cell reaches the ovary.
