Chapter 30 – Seedless Plants
Chapter 30
Seedless Plants
Multiple Choice Questions
1. Cooksonia is a genus of very early tracheophyte plants. Unlike modern tracheophytes they
only grew to a few centimeters in height. What feature provides the best explanation for their
diminutive size?
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
Chapter 30 – Seedless Plants
What do you already know about Cooksonia? What other information is related to the
question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
2. Why is a rhizoid not considered a true root?
Chapter 30 – Seedless Plants
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about true roots and rhizoids? What other information is
related to the question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 30 – Seedless Plants
3. Azolla filiculoides is a small aquatic fern that is typically 1-2 cm tall. How would a
botanist distinguish it from a bryophyte?
Chapter 30 – Seedless Plants
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about ferns and bryophytes? What other information is related
to the question?
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 30 – Seedless Plants
4. Hepaticophytes lack stomata and tracheids. What would provide evidence to justify their
inclusion in the Bryophytes and not the Charophytes?
Chapter 30 – Seedless Plants
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about hepaticophytes? What other information is related to the
question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 30 – Seedless Plants
5. The aquatic ancestry of bryophytes is most clearly demonstrated by what character?
6. Why are most bryophytes less than 10 cm tall?
Chapter 30 – Seedless Plants
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about bryophytes? What other information is related to the
question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 30 – Seedless Plants
7. The development of tracheids helped land plants to
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about tracheids? What other information is related to the
question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 30 – Seedless Plants
8. What is a 15 meter tall tree fern?
Chapter 30 – Seedless Plants
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about ferns? What other information is related to the question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 30 – Seedless Plants
9. In which of these groups does it appear that the cuticle evolved?
10. A waxy cuticle prevents desiccation. What is the cost of this adaptation?
Fill in the Blank Questions
Chapter 30 – Seedless Plants
11. The first plants clearly evolved from an organism that, if it existed today, would be
classified as a multicellular green ___________.
12. Plants have a ______ life cycle in which the haploid and diploid stages are multicellular.
13. In plants, the sporophyte generation produces _______ as a result of meiosis.
14. In all seed plants, male and female ___________ develop within the parent sporophyte
and are completely dependent on it for nutrition and water.
Multiple Choice Questions