A) Lilium and Fritillaria
B) mango and sugarcane
C) papaya and pea
D) Brassica and candytuft
Correct Answer: A
Solution :
Double fertilization was discovered by S G Nawaschin (1898) and Guignard in Lilium and Fritillaria. Double fertilization mainly occurs in angiosperms only. When one male gamete fuses with the egg to form the diploid zygote, this process is called syngamy or fertilization. After this, other male gamete fuses with the two polar nuclei to form triploid primary endosperm nucleus. This process is called triple fusion. The process of two acts of fertilization constitute the process of double fertilization.
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