$$\text{spore} \rightarrow \text{gametophyte} \rightarrow \text{gamete} \rightarrow \text{zygote} \rightarrow \text{sporophyte}$$

Question 1

Which of the following is a derived trait unique to land plants (embryophytes) and not found in their closest algal relatives, the charophytes?

Accepted Answer

Alternation of generations

Question 2

Which adaptation allowed plants to minimize water loss while still permitting gas exchange with the atmosphere?

Accepted Answer

Evolution of cuticle and stomata

Question 3

In the alternation of generations in plants, which process directly produces haploid spores?

Accepted Answer

Meiosis

Question 4

Which of the following best describes the dominant generation in nonvascular plants such as mosses?

Accepted Answer

Gametophyte is dominant and independent

Question 5

Which structure in nonvascular plants is responsible for anchoring the plant but does NOT absorb water or minerals?

Accepted Answer

Rhizoid

Question 6

Which of the following is a function of the plant cuticle?

Accepted Answer

Prevents water loss

Question 7

Which of the following is TRUE about the ecological importance of mosses?

Accepted Answer

They help retain nitrogen in the soil

Question 8

Which of the following correctly matches the plant group with its dominant life cycle stage?

Accepted Answer

Seed plants – dominant sporophyte

Question 9

Which of the following is a key difference between microphyll and megaphyll leaves?

Accepted Answer

Microphylls have unbranched vascular tissue; megaphylls have branched vascular tissue

Question 10

Which of the following best explains why vascular tissue was a significant evolutionary innovation for plants?

Accepted Answer

It enabled plants to grow taller and transport water and nutrients efficiently

Question 11

Which of the following is a real-world consequence of the evolution of land plants on Earth's atmosphere?

Accepted Answer

Increase in atmospheric oxygen and reduction of carbon dioxide

Question 12

Which of the following is a correct sequence in the alternation of generations in plants?

Accepted Answer

$$	ext{spore} ightarrow 	ext{gametophyte} ightarrow 	ext{gamete} ightarrow 	ext{zygote} ightarrow 	ext{sporophyte}$$

Question 13

Which of the following is NOT a shared ancestral character between plants and charophytes?

Accepted Answer

Alternation of generations

Question 14

Which of the following best describes the function of apical meristems in plants?

Accepted Answer

They allow for indefinite growth by remaining embryonic

Question 15

Which of the following is TRUE about the life cycle of seedless vascular plants?

Accepted Answer

The sporophyte is dominant and independent

Question 16

Which of the following is a correct statement about the economic importance of peat moss (Sphagnum)?

Accepted Answer

It forms peat, which can be used as a fuel source

Question 17

Which of the following is a consequence of increased growth and photosynthesis by ancient vascular plants during the Carboniferous period?

Accepted Answer

Global cooling due to decreased CO$$_2$$

Question 18

Which of the following is TRUE about the reproductive structures of nonvascular plants?

Accepted Answer

Gametangia produce gametes by mitosis

Question 19

Which of the following is a correct match between a nonvascular plant phylum and an example organism?

Accepted Answer

Phylum Anthocerophyta – hornworts

Plant Diversity I: How Plants Colonized Land (Ch. 29) - Study Notes

Study Guide - Practice Questions