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Pollens

What is the f...

Question

What is the function of the tube nucleus in fertilization?

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Solution

Tube nucleus or vegetative cell has no role in fertilization in plants. It degenerates as soon as pollen tube starts germinating on stigma. However, it plays role in the generation of the pollen tube.

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Similar questions

What happens to the generative nucleus during the process of fertilization?

Q. Match the following.

	LIST I		LIST II
A	Generative nucleus	1	Pollen tube
B	Germ pore	2	Endosperm nucleus
C	Exine	3	Testa
D	Secondary nucleus	4	Fertilization
E	Integument	5	Male nuclei
F	Egg nucleus	6	Rough

Q. VERY SHORT ANSWER TYPE
Match the items in Column A with those in Column B.

Column A	Column B
(a) Generative nucleus	(i) Pollen tube
(b) Germ pore nucleus	(ii) Endosperm
(c) Exine	(iii) Testa
(d) Secondary nucleus	(iv) Fertilization
(e) Integument	(v) Male nuclei
(f) Egg nucleus	(vi) Rough

Q. The ploidy level of primary endosperm nucleus in Oenothera before

fertilization is ................

The triploid nucleus in double fertilization develops into:

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