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 in plants, which process directly produces haploid spores?

Accepted Answer

Meiosis

Question 4

Which structure is correctly ranked from largest to smallest within a plant?

Accepted Answer

Female gametophyte, archegonia, egg

Question 5

Why are bryophytes generally short compared to vascular plants?

Accepted Answer

They do not have true roots or vascular tissue

Question 6

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

Accepted Answer

Meiosis results in the production of gametes

Question 7

Which plant group is NOT monophyletic according to phylogenetic analysis?

Accepted Answer

Bryophytes (nonvascular plants)

Question 8

What is the main function of xylem in vascular plants?

Accepted Answer

Conducts water and minerals

Question 9

Which of the following is a benefit for plants moving onto land?

Accepted Answer

Greater access to carbon dioxide and sunlight

Question 10

In the life cycle of mosses, which generation is dominant?

Accepted Answer

Gametophyte

Question 11

Which phylum contains the largest number of known plant species?

Accepted Answer

Phylum Anthophyta (flowering plants)

Question 12

Which structure in plants is responsible for growth in length at the tips of roots and shoots?

Accepted Answer

Apical meristems

Question 13

Which of the following is a feature of seedless vascular plants but NOT bryophytes?

Accepted Answer

Sporophyte dominant life cycle

Question 14

Which plant organ increases surface area for photosynthesis?

Accepted Answer

Leaves

Question 15

Which of the following best describes the alternation of generations in plants?

Accepted Answer

Plants alternate between multicellular haploid gametophyte and multicellular diploid sporophyte generations

Question 16

Which of the following equations correctly represents the chromosome number change during fertilization in plants?

Accepted Answer

$$n + n \rightarrow 2n$$

Question 17

Which tissue in vascular plants distributes sugars, amino acids, and other organic products?

Accepted Answer

Phloem

Question 18

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

Accepted Answer

Bryophytes are restricted to moist environments and remain short

Question 19

Which of the following is a correct sequence in the life cycle of a fern?

Accepted Answer

Sporophyte (2n) → Meiosis → Spore (n) → Mitosis → Gametophyte (n) → Gametes (n) → Fertilization → Zygote (2n)

Question 20

Which of the following is a function of roots in vascular plants?

Accepted Answer

Anchor the plant and enable water and nutrient uptake from soil

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

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