10/18/26, 11:27 PM BIO306-FinalExam-Answers
1 A complete set of plant organs consists of which of the following?
Choose one answer. a. Roots, shoots, and leaves
b. Roots, stems, and leaves
c. Roots, trunks, and cones
d. Roots, stems, leaves, and flowers
e. Roots and leaves
2 A flower is a reproductive shoot usually consisting of which four kinds of organs?
Choose one answer. a. Sepals, petals, stamens, and carpels
b. Sepals, petals, ovules, and pollen
c. Sepals, petals, ovaries, and pistils
d. Petals, anthers, styles, and ovules
3 Functionally, which of the following is the plant’s version of an animal cell lysosome?
Choose one answer. a. Golgi
b. Endoplasmic Reticulum
c. Vesicle
d. Vacuole
e. None of the above
4 Stems do NOT perform which of the following functions?
Choose one answer. a. To serve as a mechanical support for the leaves, flowers, and fruits
b. To furnish a path of conduction between shoot organs and the roots
c. To serve as the primary organ for photosynthesis
d. To act as a storage organ for water and products of photosynthesis
https://saylordotorg.github.io/LegacyExams/BIO/BIO306/BIO306-FinalExam-Answers.html 1/28
,10/18/26, 11:27 PM BIO306-FinalExam-Answers
e. All of the above
5 The stele consists of which of the following?
Choose one answer. a. Xylem and phloem
b. Xylem, phloem, and pericycle
c. Xylem, phloem, pericycle, and endodermis
d. Xylem, phloem, pericycle, endodermis, and cortex
e. Iron and carbon
6 What distinguishes the three tissues: parenchyma, collenchymas, and sclerenchyma?
Choose one answer. a. The molecular structure of the cell wall
b. The presence or absence of chloroplasts
c. The tissue systems they belong to
d. Its presence or absence in vascular seed plants, vascular nonseed plants, or nonvascular plants
e. None of the above
7 What is a companion cell?
Choose one answer. a. It is a cell that entertains other cells of the plant that are lonely.
b. It is a cell that controls adjacent sieve cells.
c. It is a cell that controls adjacent guard cells.
d. It is a cell that controls adjacent root hair cells.
e. None of the above
8 Which of the following is a correct sequence of levels of organization from lowest to highest?
Choose one answer. a. Sclereids; ground tissue system; sclerenchyma tissue
b. Phloem; sieve-tube elements; vascular tissue system
https://saylordotorg.github.io/LegacyExams/BIO/BIO306/BIO306-FinalExam-Answers.html 2/28
, 10/18/26, 11:27 PM BIO306-FinalExam-Answers
c. Trichomes; epidermis; dermal tissue system
d. Cork cells: epidermis; dermal tissue system
e. None of the above
9 Which of the following is an area where you would find parenchyma cells?
Choose one answer. a. In leaves, just below the epidermal tissue
b. Within the xylem and phloem of vascular bundles
c. In the pith region
d. In wood rays
e. All of the above
10 Which of the following is contained in cell walls?
Choose one answer. a. Cellulose
b. Lignin
c. Pectin
d. Rhamnogalacturonan
e. All of the above
11 Which of the following is NOT a cell of the epidermis?
Choose one answer. a. Parenchyma cell
b. Collenchyma cell
c. Guard cell
d. Trichome
e. All of the above
12 Which of the following is NOT a main function of the root system?
https://saylordotorg.github.io/LegacyExams/BIO/BIO306/BIO306-FinalExam-Answers.html 3/28
1 A complete set of plant organs consists of which of the following?
Choose one answer. a. Roots, shoots, and leaves
b. Roots, stems, and leaves
c. Roots, trunks, and cones
d. Roots, stems, leaves, and flowers
e. Roots and leaves
2 A flower is a reproductive shoot usually consisting of which four kinds of organs?
Choose one answer. a. Sepals, petals, stamens, and carpels
b. Sepals, petals, ovules, and pollen
c. Sepals, petals, ovaries, and pistils
d. Petals, anthers, styles, and ovules
3 Functionally, which of the following is the plant’s version of an animal cell lysosome?
Choose one answer. a. Golgi
b. Endoplasmic Reticulum
c. Vesicle
d. Vacuole
e. None of the above
4 Stems do NOT perform which of the following functions?
Choose one answer. a. To serve as a mechanical support for the leaves, flowers, and fruits
b. To furnish a path of conduction between shoot organs and the roots
c. To serve as the primary organ for photosynthesis
d. To act as a storage organ for water and products of photosynthesis
https://saylordotorg.github.io/LegacyExams/BIO/BIO306/BIO306-FinalExam-Answers.html 1/28
,10/18/26, 11:27 PM BIO306-FinalExam-Answers
e. All of the above
5 The stele consists of which of the following?
Choose one answer. a. Xylem and phloem
b. Xylem, phloem, and pericycle
c. Xylem, phloem, pericycle, and endodermis
d. Xylem, phloem, pericycle, endodermis, and cortex
e. Iron and carbon
6 What distinguishes the three tissues: parenchyma, collenchymas, and sclerenchyma?
Choose one answer. a. The molecular structure of the cell wall
b. The presence or absence of chloroplasts
c. The tissue systems they belong to
d. Its presence or absence in vascular seed plants, vascular nonseed plants, or nonvascular plants
e. None of the above
7 What is a companion cell?
Choose one answer. a. It is a cell that entertains other cells of the plant that are lonely.
b. It is a cell that controls adjacent sieve cells.
c. It is a cell that controls adjacent guard cells.
d. It is a cell that controls adjacent root hair cells.
e. None of the above
8 Which of the following is a correct sequence of levels of organization from lowest to highest?
Choose one answer. a. Sclereids; ground tissue system; sclerenchyma tissue
b. Phloem; sieve-tube elements; vascular tissue system
https://saylordotorg.github.io/LegacyExams/BIO/BIO306/BIO306-FinalExam-Answers.html 2/28
, 10/18/26, 11:27 PM BIO306-FinalExam-Answers
c. Trichomes; epidermis; dermal tissue system
d. Cork cells: epidermis; dermal tissue system
e. None of the above
9 Which of the following is an area where you would find parenchyma cells?
Choose one answer. a. In leaves, just below the epidermal tissue
b. Within the xylem and phloem of vascular bundles
c. In the pith region
d. In wood rays
e. All of the above
10 Which of the following is contained in cell walls?
Choose one answer. a. Cellulose
b. Lignin
c. Pectin
d. Rhamnogalacturonan
e. All of the above
11 Which of the following is NOT a cell of the epidermis?
Choose one answer. a. Parenchyma cell
b. Collenchyma cell
c. Guard cell
d. Trichome
e. All of the above
12 Which of the following is NOT a main function of the root system?
https://saylordotorg.github.io/LegacyExams/BIO/BIO306/BIO306-FinalExam-Answers.html 3/28
