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The two nuclei at the end of the pollen tube are called
- a)Tube nucleus and a generative nucleus
- b)Sperm and ovum
- c)Generative nucleus and stigma
- d)Tube nucleus and sperm
Correct answer is option 'A'. Can you explain this answer?
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The two nuclei at the end of the pollen tube are calleda)Tube nucleus ...
Tube nucleus and a generative nucleus
The two nuclei at the end of the pollen tube are referred to as the tube nucleus and the generative nucleus. This is a crucial stage in the process of fertilization in plants.
Tube nucleus:
- The tube nucleus is responsible for guiding the pollen tube through the style towards the ovule.
- It plays a role in the growth and elongation of the pollen tube, ensuring it reaches the ovule for fertilization.
Generative nucleus:
- The generative nucleus is involved in the formation of two sperm cells through mitosis.
- These sperm cells are essential for double fertilization in plants, where one sperm cell fuses with the egg cell to form the zygote, while the other sperm cell fuses with the central cell to form the endosperm.
In conclusion, the tube nucleus and the generative nucleus work together to ensure successful fertilization in plants by guiding the pollen tube and producing the necessary sperm cells for double fertilization.
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The two nuclei at the end of the pollen tube are calleda)Tube nucleus and a generative nucleusb)Sperm and ovumc)Generative nucleus and stigmad)Tube nucleus and spermCorrect answer is option 'A'. Can you explain this answer?
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