28. Plants

Where in an angiosperm would you find a megasporangium?

a. In the style of a flower

b. Enclosed in the stigma of a flower

c. Within an ovule contained within an ovary of a flower

d. Packed into pollen sacs within the anthers found on a stamen

Which of the following is a key feature of seed plants facilitating life on land?

a. Homospory

b. Pollen

c. Reduced sporophytes

d. Spores

Key features of seed plants facilitating life on land include three of the following four traits. Select the exception.

a. Homospory

b. Pollen

c. Reduced gametophytes

d. Seeds

With respect to angiosperms, which of the following is incorrectly paired with its chromosome count?

a. Egg—n

b. Megaspore—2n

c. Microspore—n

d. Zygote—2n

Angiosperms are different from all other plants because only they have

a. A vascular system.

b. Flowers.

c. Seeds.

d. A dominant sporophyte phase.

Which of the following actions correctly describe a role performed by at least one type of intercellular connection? Select True or False for each statement.

T/FAllows communication between adjacent cells.

T/FForms a watertight barrier between the cells.

T/FUses components of the extracellular matrix to indirectly connect adjacent cells.

T/FAssociates with cytoskeletal components to resist pulling forces.

Which of the following is a characteristic that distinguishes gymnosperms and angiosperms from other plants?

a. Alternation of generations

b. Independent gametophytes

c. Vascular tissue

d. Ovules

Which of the following is not a characteristic that distinguishes gymnosperms and angiosperms from other plants?

a. Dependent gametophytes

b. Ovules

c. Pollen

d. Alternation of generations