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Question

Double fertilization is an exclusive feature found in flowering plants. Which one of the following events leads to double fertilization?

A
Fusion of two polar nuclei.
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B
Fusion of a male gamete with the egg and the other with antipodal cells.
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C
Fusion of a male gamete with the egg and the other with two polar nuclei.
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D
Fusion of a male gamete with two polar nuclei and the other with nucellar cells.
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Solution

The correct option is C Fusion of a male gamete with the egg and the other with two polar nuclei.
Double fertilization is a unique process that is a feature of the angiosperms, the flowering plants. In this, the pollen grains produce two sperms. One of them fuses with the egg to form a zygote and the other fuses with the polar nuclei that resembles the fertilization.

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