Question 1

Which of the following is a key adaptation that enabled plants to colonize land and prevent dehydration of exposed zygotes?

Accepted Answer

Formation of a durable polymer called sporopollenin

Question 2

Land plants and charophyte green algae share several traits. Which of the following is NOT a shared trait?

Accepted Answer

Alternation of generations

Question 3

In the alternation of generations life cycle of land plants, which process restores the diploid number after gametes fuse?

Accepted Answer

Fertilization

Question 4

Which equation correctly represents the alternation of generations in land plants?

Accepted Answer

$$2n \xrightarrow{meiosis} n \xrightarrow{fertilization} 2n$$

Question 5

What is the function of apical meristems in land plants?

Accepted Answer

They allow plants to sustain continual growth in length

Question 6

Which structure in land plants is responsible for producing haploid spores that are resistant to harsh environments?

Accepted Answer

Sporangia

Question 7

Which of the following is a derived trait of land plants that distinguishes them from charophyte algae?

Accepted Answer

Presence of multicellular dependent embryos

Question 8

A botanist discovers a plant with dominant gametophyte generation, no vascular tissue, and produces spores in sporangia. To which group does this plant most likely belong?

Accepted Answer

Bryophytes

Question 9

Which of the following best describes the role of sporopollenin in the evolution of land plants?

Accepted Answer

It provides resistance to desiccation for spores and pollen

Question 10

Which equation represents the process by which diploid sporophyte cells produce haploid spores?

Accepted Answer

$$2n \xrightarrow{meiosis} n$$

Question 11

Which of the following is NOT a challenge faced by plants when moving from water to land?

Accepted Answer

Abundance of herbivores

Question 12

Which of the following correctly matches the sex organ with its function in land plants?

Accepted Answer

Archegonia produce eggs

Question 13

Which clade includes flowering plants with seeds enclosed in fruits?

Accepted Answer

Angiosperms

Question 14

A plant is observed to have vascular tissue but does not produce seeds. To which group does it most likely belong?

Accepted Answer

Seedless vascular plants

Question 15

Which of the following is a correct statement about the life cycle of mosses?

Accepted Answer

The gametophyte is the dominant generation

Question 16

Which of the following is a real-world example of a plant adaptation to terrestrial life?

Accepted Answer

Formation of cuticle to reduce water loss

Question 17

Which of the following best explains why seed plants are more successful in dry environments compared to seedless plants?

Accepted Answer

Seeds contain a protective coat and stored food, increasing survival in harsh conditions

Question 18

Which equation best represents the process of gamete production in multicellular gametangia?

Accepted Answer

$$n \xrightarrow{mitosis} n$$

Question 19

Which of the following is true about the dependency of the embryo in land plants?

Accepted Answer

The embryo is retained within the tissue of the female gametophyte and nourished by the parent

Question 20

Which of the following is NOT a derived trait of land plants?

Accepted Answer

Unicellular reproductive structures

Plant Diversity I: How Plants Colonized Land — Study Notes

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