NAME_________________________
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____1. Plants respond to water stress by
a. closing stomata. b. reducing photosynthesis. c. producing fewer flowers.
d. producing fewer seeds. e. all of these
____2. Which of the following are known as vascular tissue?
a. flowers/petioles b. epidermis/cuticle c. xylem/phloem d. sporophyte/gametophyte
____3. Most of the plant body is composed of
a. dermal tissue. b. root tissue. c. ground tissue. d. vascular tissue. e. cork tissue.
____4. The young tissues in plants that are continuously dividing and later become specialized for different functions are:
a. vascular. b. meristematic. c. protective. d. photosynthetic. e. all of these
____5. A cotyledon is also called:
a. embryonic root b. seed cover c. flower part d. seed leaf e. fruit
____6. Which of the following is true of monocots?
a. has two cotyledons
b. leaf veins usually netlike
c. vascular bundles scattered throughout stem ground tissue
d. floral parts in multiples of fours and fives
____7. Parenchyma cells are specialized for and involved in all EXCEPT which of the following activities?
a. photosynthesis b. wound healing c. strengthening the plant d. food storage
____8. The chewy, stringy cell tissues in celery are composed of __________ cells?
a. xylem b. collenchyma c. phloem d. sclerenchyma e. parenchyma
____9. All EXCEPT which of the following are associated with sclerenchyma?
a. lignin b. photosynthesis c. transport d. sclereids e. fibers
____10. The following are characteristics of the waxy cuticle in plants. Select the exception.
a. permits water loss. c. covers epidermal cells.
b. may contain waxes . d. resists attack by microorganisms.
____11. Which of the following statements is false?
a. Axillary buds are found at the tip of the stems.
b. Internodes are the spaces between leaves.
c. Cotyledons are leaves within a seed.
d. Ground tissue is the most common type of tissue in a plant.
e. Dermal tissue covers the body of the plant.
____12. Which of the following is the true function of Stomata?
a. are found in the root cells.
b. may be found scattered anywhere throughout the plant.
c. allow the movement of gases into and out of plants.
d. are more numerous on the upper surface of most leaves than on the lower surface.
____13. The main photosynthetic area of a leaf is composed of ______ cells.
a. mesophyll. b. cortex. c. xylem. d. epidermis. e. none of these
____14. The veins of leaves are used for
a. support. b. identification. c. transport of water and nutrients. d. detachment in the autumn.
____15. Four of the five choices listed below are types of ground tissue or are derived from it. Select the exception.
a. sclereids b. xylem c. sclerenchyma d. parenchyma e. collenchyma
____16. If all of the phloem is stripped from around a tree in a process known as girdling,
a. the plant will stop growing.
b. the vascular cambium will be destroyed so that the plant could no longer grow.
c. the shoot system will get no moisture or minerals.
d. the roots will starve and eventually the plant will die.
e. there will be no problems unless the tree becomes infected by insects and fungi.
____17. Which of the following statements is false?
a. Some perennial plants may consist of primary growth only.
b. Cork cambium and vascular cambium are cells that form lateral meristems.
c. Nonwoody plants are herbaceous.
d. Phloem is formed on the inside of vascular cambium, whereas xylem is formed on the outside.
e. Sapwood surrounds heartwood.
____18. Four of the five features listed below are characteristic of Eudicots. Select the exception.
a. flower parts in 4 or 5 petals
b. two cotyledon in the seed
c. vascular tissue in the roots is arranged in a ring
d. veins in the leaf are web or net type
____19. All of the following are parts of the bark. Select the exception.
a. Periderm b. cork c. cork cambium d. xylem e. secondary phloem
____20. Four of the five choices listed below are characteristics of xylem. Select the exception.
a. are alive at maturity and have a nucleus
b. cell walls are impregnated with lignin
c. conducts water and minerals from roots to tip of leaves
d. includes tracheids and vessels
e. are dead at maturity and do not have a nucleus