Podcast
Questions and Answers
What happens to the germ cell in a mature pollen grain?
What happens to the germ cell in a mature pollen grain?
- It degenerates and disappears
- It divides by meiosis to produce four haploid cells
- It divides by mitosis to produce two sperm cells (correct)
- It remains as a single cell
Which of the following is NOT a common method of pollination?
Which of the following is NOT a common method of pollination?
- Wind pollination
- Mammal pollination (correct)
- Water pollination
- Insect pollination
What is the purpose of the micropyle in the ovule structure?
What is the purpose of the micropyle in the ovule structure?
- To provide nutrients to the developing embryo
- To allow the ovule to attach to the placenta
- To allow the pollen tube to enter the ovule (correct)
- To release the mature pollen grains from the anther
Which of the following is NOT a characteristic of wind-pollinated flowers?
Which of the following is NOT a characteristic of wind-pollinated flowers?
How many nuclei are present in a mature embryo sac?
How many nuclei are present in a mature embryo sac?
What type of angiosperms have separate male and female flowers on the same individual plant?
What type of angiosperms have separate male and female flowers on the same individual plant?
What is the structure within which numerous diploid pollen mother cells are found during anther development?
What is the structure within which numerous diploid pollen mother cells are found during anther development?
Which part of the pollen grain is composed of sporopollenin, making it waterproof?
Which part of the pollen grain is composed of sporopollenin, making it waterproof?
What is the name for the groups of four spherical microspores that develop immediately after meiosis in anther development?
What is the name for the groups of four spherical microspores that develop immediately after meiosis in anther development?
What is the function of the tapetum cells surrounding the mother pollen cells in anther development?
What is the function of the tapetum cells surrounding the mother pollen cells in anther development?
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