Chapter 23 – Seed Plants: Angiosperms
Chapter 23
Seed Plants: Angiosperms
Multiple Choice Questions
1. With over 250,000 species known, the phylum ___________ is the largest phylum in the
plant kingdom.
2. The name ‘angiosperm’ used for the flowering plants refers to ______________.
Chapter 23 – Seed Plants: Angiosperms
3. Angiosperms are characterized by the following: _____________________________.
4. Angiosperms differ from conifers in all of the following EXCEPT
Chapter 23 – Seed Plants: Angiosperms
5. Which of the following tissues, cells, or structures in flowering plants is a part of the
sporophyte generation and therefore diploid?
6. Which of the following tissues or structures in flowering plants is a part of the gametophyte
generation and therefore haploid?
Chapter 23 – Seed Plants: Angiosperms
7. Which of the following is part of a compound ovary within which seeds develop from
ovules?
8. In this question, assume that the life cycle of a flowering plant begins with the germination
of a seed and ends with the development of a fruit. Two events that occur in the life cycle are
formation of a pollen tube and pollination.
9. In this question, assume that the life cycle of a flowering plant begins with the germination
of a seed and ends with the development of a fruit. Two events that occur in the life cycle are
the fusion of sperm and polar nuclei and the fusion of egg and sperm.
Chapter 23 – Seed Plants: Angiosperms
10. In this question, assume that the life cycle of a flowering plant begins with the
germination of a seed and ends with the development of a fruit. Two events that occur in the
life cycle are the formation of endosperm tissue and the development of an embryo.
11. In this question, assume that the life cycle of a flowering plant begins with the
germination of a seed and ends with the development of a fruit. Two events that occur in the
life cycle are the formation of a tube nucleus and the formation of sperms.
Chapter 23 – Seed Plants: Angiosperms
12. In this question, assume that the life cycle of a flowering plant begins with the
germination of a seed and ends with the development of a fruit. Two events that occur in the
life cycle are the formation of polar nuclei and the formation of megaspores.
13. In this question, assume that the life cycle of a flowering plant begins with the
germination of a seed and ends with the development of a fruit. Two events that occur in the
life cycle are the formation of antipodals and the formation of synergids.
Chapter 23 – Seed Plants: Angiosperms
14. In this question, assume that the life cycle of a flowering plant begins with the
germination of a seed and ends with the development of a fruit. Two events that occur in the
life cycle are the division of a microspore nucleus and the formation of sculptured wall.
15. In this question, assume that the life cycle of a flowering plant begins with the
germination of a seed and ends with the development of a fruit. Two events that occur in the
life cycle are the formation of microspore mother cells and the formation of microspores.
Chapter 23 – Seed Plants: Angiosperms
16. In this question, assume that the life cycle of a flowering plant begins with the
germination of a seed and ends with the development of a fruit. Two events that occur in the
life cycle are the germination of a pollen grain and the formation of a generative nucleus.
17. The structure that matures into the seed is called a (an)
Chapter 23 – Seed Plants: Angiosperms
18. The mature male gametophyte of an angiosperm consists of ___________________.
19. The female gametophyte of an angiosperm consists of _________________.
Chapter 23 – Seed Plants: Angiosperms
20. Fertilization in angiosperms is characterized as _______________.
21. The unique products of double fertilization in angiosperms are ________________.
Chapter 23 – Seed Plants: Angiosperms
22. Pollination involves the
23. The part of the flower in which ovules are produced is the
Chapter 23 – Seed Plants: Angiosperms
24. The floral parts are attached to an apical portion of the flowering stem called the
25. These flower parts are generally green and leaflike.
26. Pollen is produced in this flower part.