BIOL 134 Exam 2 (Ch 28-34)-Week 8 | Questions and Answers | 2025
Update | 100% Correct.
Attempt 1 of 1
Written Aug 23, 2025 3:33 PM - Aug 23, 2025 3:58 PM
Released Aug 30, 2025 12:00 AM
88.57
/ 100
Attempt Score -
88.57
%
88.57
/ 100
Overall Grade (Highest Attempt) -
88.57
%
Question 1 2..5 points
Recently, genes have been indentified in angiosperms that are important in preventing pollen from germinating
or growing into the stigma. The locus where the genes are found has been termed the
Question options:
strict reproductive locus
similarity locus
selfless locus
sterility locus
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Question 2 2..5 points
What important event happened in the latter third part of the Paleozoic era?
Question options:
asteroid hit the earth causing the dinosaurs to go extinct
earth landmasses came together to form a single supercontinent called Pangaea
photosynthesis evolved in cyanobacteria allowing a buildup of oxygen in the atmosphere
an explosion of animal life occurred
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Question 3 2..5 points
What features do leaves of aquatic plants have?
Question options:
wide lamina and thick waxy cuticle
narrow lamina and multiple epidermal layers
thin lignin cuticle and decreased guard cells
thick waxy cuticle and multicolored
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Question 4 2..5 points
Increased pressure due to evaporation can cause gas bubbles through cavitation, which can then lead to break
in the flow of xylem sap called a(n) .
Question options:
aqua pocket
embolism
sputter
blockage
isobar hole
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Question 5 2..5 points
Celiac disease affects microvilli's ability to absorb nutrients. What tissue is affected?
Question options:
simple cuboidal epithelium
simple columnar epithelium
stratified squamous epithelium
simple squamous epithelium
, simple ciliated columnar epithelium
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Question 6 2..5 points
Which of the following is a significant difference between leeches and other annelids?
Question options:
chaetae formed into spikes to penetrate skin and posterior gonad development
heterotrophic energy utilization and aquatic habitat
incomplete digestive system and hermaphroditic reproduction
lack of chaetae and development of suckers at the anterior and posterior ends
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Question 7 2..5 points
In the excretory system of echinoderms, podocytes are connected to an opening called the
Question options:
madreporite
archenteron
corona
mastax
ostium
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Question 8 2..5 points
Which of the following can delay or prevent senescence in plants?
Question options:
Update | 100% Correct.
Attempt 1 of 1
Written Aug 23, 2025 3:33 PM - Aug 23, 2025 3:58 PM
Released Aug 30, 2025 12:00 AM
88.57
/ 100
Attempt Score -
88.57
%
88.57
/ 100
Overall Grade (Highest Attempt) -
88.57
%
Question 1 2..5 points
Recently, genes have been indentified in angiosperms that are important in preventing pollen from germinating
or growing into the stigma. The locus where the genes are found has been termed the
Question options:
strict reproductive locus
similarity locus
selfless locus
sterility locus
Hide question 1 feedback
Feedback
Correct
Question 2 2..5 points
What important event happened in the latter third part of the Paleozoic era?
Question options:
asteroid hit the earth causing the dinosaurs to go extinct
earth landmasses came together to form a single supercontinent called Pangaea
photosynthesis evolved in cyanobacteria allowing a buildup of oxygen in the atmosphere
an explosion of animal life occurred
Hide question 2 feedback
,Feedback
Correct
Question 3 2..5 points
What features do leaves of aquatic plants have?
Question options:
wide lamina and thick waxy cuticle
narrow lamina and multiple epidermal layers
thin lignin cuticle and decreased guard cells
thick waxy cuticle and multicolored
Hide question 3 feedback
Feedback
Correct
Question 4 2..5 points
Increased pressure due to evaporation can cause gas bubbles through cavitation, which can then lead to break
in the flow of xylem sap called a(n) .
Question options:
aqua pocket
embolism
sputter
blockage
isobar hole
Hide question 4 feedback
Feedback
Correct
Question 5 2..5 points
Celiac disease affects microvilli's ability to absorb nutrients. What tissue is affected?
Question options:
simple cuboidal epithelium
simple columnar epithelium
stratified squamous epithelium
simple squamous epithelium
, simple ciliated columnar epithelium
Hide question 5 feedback
Feedback
Correct
Question 6 2..5 points
Which of the following is a significant difference between leeches and other annelids?
Question options:
chaetae formed into spikes to penetrate skin and posterior gonad development
heterotrophic energy utilization and aquatic habitat
incomplete digestive system and hermaphroditic reproduction
lack of chaetae and development of suckers at the anterior and posterior ends
Hide question 6 feedback
Feedback
Correct
Question 7 2..5 points
In the excretory system of echinoderms, podocytes are connected to an opening called the
Question options:
madreporite
archenteron
corona
mastax
ostium
Hide question 7 feedback
Feedback
Correct
Question 8 2..5 points
Which of the following can delay or prevent senescence in plants?
Question options:
