Question 1

Which adaptation allowed early plants to prevent desiccation when colonizing land?

Accepted Answer

Production of sporopollenin

Question 2

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

Accepted Answer

Unicellular gametangia

Question 3

In the alternation of generations, which process directly produces haploid spores from a diploid sporophyte?

Accepted Answer

Meiosis

Question 4

Which structure in bryophytes is responsible for producing sperm?

Accepted Answer

Antheridia

Question 5

Why are bryophytes generally short and found close to the ground?

Accepted Answer

They lack true roots and vascular tissue

Question 6

Which of the following correctly ranks plant structures from largest to smallest?

Accepted Answer

Female gametophyte, archegonia, egg

Question 7

Which phylum contains the greatest number of extant plant species?

Accepted Answer

Phylum Anthophyta

Question 8

What is the main advantage of vascular tissue in plants?

Accepted Answer

It enables efficient transport of water, minerals, and organic products

Question 9

Which life cycle stage is dominant in seedless vascular plants such as ferns?

Accepted Answer

Sporophyte

Question 10

Which of the following statements about meiosis in plants is FALSE?

Accepted Answer

Meiosis results in the production of gametes

Question 11

Which group of plants is NOT monophyletic according to phylogenetic analysis?

Accepted Answer

Bryophytes (nonvascular plants)

Question 12

What is the function of apical meristems in plants?

Accepted Answer

Growth in length of roots and shoots

Question 13

Which of the following is a feature unique to vascular seedless plants compared to bryophytes?

Accepted Answer

Well-developed roots and leaves

Question 14

Which plant organ increases surface area for photosynthesis?

Accepted Answer

Leaves

Question 15

A botanist discovers a plant with spore-bearing leaves called sporophylls, well-developed roots, and dominant sporophyte generation. To which group does this plant most likely belong?

Accepted Answer

Seedless vascular plants

Question 16

Which of the following is a correct statement about the relationship between charophytes and land plants?

Accepted Answer

Charophytes share several ancestral characteristics with land plants

Question 17

Which tissue in vascular plants is responsible for conducting water and minerals from the roots to the rest of the plant?

Accepted Answer

Xylem

Question 18

A student observes a moss and notes that the green, leafy structure is the most prominent. Which generation is dominant in this plant?

Accepted Answer

Gametophyte

Question 19

Which of the following is a real-world consequence of the lack of vascular tissue in bryophytes?

Accepted Answer

They are restricted to moist environments and low stature

Question 20

Which equation best represents the change in ploidy during the alternation of generations in plants?

Accepted Answer

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

Plant Diversity I: How Plants Colonized Land (Chapter 29 Study Notes)

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