State whether the following statements are true or false. The, process of double fertilization, discovered by Nawaschin in 1898, is exclusive to the angiosperms.
A
True
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B
False
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Solution
The correct option is A True Double fertilization is a phenomenon unique to angiosperms. Each pollen grain produces two sperm; one fuses with an egg to form the zygote and the other fuses with one or more polar nuclei in the female gametophyte. It was discovered by Nawaschin in 1898 in the liliaceous plants.