Question:
Double fertilization and triple fusion were discovered by
Double fertilization and triple fusion were discovered by
Updated On: Jul 11, 2024
- Hofmeister
- Nawaschin and Guignard
- Leeuwenhoek
- Strasburger.
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The Correct Option is B
Solution and Explanation
Double fertilization and triple fusion were discovered by Nawaschin and Guignard in Fritillaria and Lilium. In angiosperms one male gamete fuses with the two polar nuclei to form triploid primary endosperm nucleus. The process is called triple fusion. These two acts together are known as double fertilization.
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Concepts Used:
Sexual Reproduction in Flowering Plants
Sexual reproduction in flowering plants takes place or happens when the production of a new organism occurs from two parents by making use of their gametes or sex cells. Both sexual and asexual reproduction can be found in plants. Nearly all flowering plants reproduce sexually. Flowers play a captious role in the process as it carries both the male and female reproductive parts commonly known as androecium and gynoecium respectively.
An individual flower comprises the following parts -
- Pedicle
- Calyx
- Petals
- Sepals
- Stamen
- Pistil
- Receptacle