Question

Who first observed polyembryony, in which plant species, and in which year?

Options

• Haberlandt in Mango seeds in 1921

• Leeuwenhoek in Ulmus in 1700

• Kappert in Orchids in 1933

• Antoni van Leeuwenhoek in Citrus (orange) seeds in 1719

Answer 1

Polyembryony was first observed by Antoni van Leeuwenhoek in Citrus (orange) seeds in 1719, marking the beginning of scientific understanding of this phenomenon. This historical observation laid the foundation for subsequent research into the mechanisms and types of polyembryony in angiosperms.