BIO 102 Exam 2 – Verified Questions & Answers, Study
Guide & Practice Test (Biology Exam Prep)
This document contains:
✓ BIO 102 Exam 2 answers
✓ BIO 102 Exam 2 study guide
✓ BIO 102 Exam 2 practice test
✓ BIO 102 biology exam 2 questions
✓ BIO 102 exam prep notes
,The evolution of cuticle presented land plants with a challenge that threatened their ability to
live on land. Describe this challenge, and explain why stomata represent a solution. Compare
and contrast stomata with the pores found in liverworts. - correct answers ✔✔Stomata allow
CO2 to diffuse and can close to minimize water loss. Liverwort pores allow gas exchange and
cannot be closed if conditions become dry.
Vessel elements are more efficient at transporting water than tracheids because ____ - correct
answers ✔✔Vessel elements are wide
Which is not a function of ground tissue?
A) Photosynthesis
B) Sugar storage
C) Plant structural support
D) Sugar transport - correct answers ✔✔D) Sugar transport
What two cell types are examples of vascular tissue? - correct answers ✔✔Tracheids and sieve-
tube elements
What is located on the outermost surface of plants? - correct answers ✔✔Trichomes
What are the roles of xylem and phloem? - correct answers ✔✔Transport water and sugar
Where, on a plant, are dermal tissues located? - correct answers ✔✔On the outside of the plant
2
, The current diameter of a tree trunk is 10 inches. The trunk diameter increases at a rate of 2
inches per year. An insect burrows into the trunk and lays its eggs in the secondary xylem, 1
inch out from the center of the tree. How far from the center will the dormant eggs be located
in two years? Express your answer as an integer. - correct answers ✔✔1.0
All plants exhibit alternation of generations. This means their life cycle - correct answers
✔✔Has both a multicellular haploid stage and a multicellular diploid stage.
What makes the bark of a tree? - correct answers ✔✔Phloem tissue, cork cambium and cork
cells
At the end of the first year's secondary growth, immediately inside the secondary phloem is
the ____ - correct answers ✔✔Vascular cambium
Vascular cambium produce ____ cells toward the outside and ___ cells toward the inside -
correct answers ✔✔Phloem; xylem
Which was a challenge to the survival of the first land plants?
A) Too much water
B) Shortage of Carbon dioxide
C) Desiccation
D) Animal predation - correct answers ✔✔C) Desiccation
Which of the following is not an evolutionary adaptation to life on land?
A) C3 photosynthesis
B) Waxy cuticle
Guide & Practice Test (Biology Exam Prep)
This document contains:
✓ BIO 102 Exam 2 answers
✓ BIO 102 Exam 2 study guide
✓ BIO 102 Exam 2 practice test
✓ BIO 102 biology exam 2 questions
✓ BIO 102 exam prep notes
,The evolution of cuticle presented land plants with a challenge that threatened their ability to
live on land. Describe this challenge, and explain why stomata represent a solution. Compare
and contrast stomata with the pores found in liverworts. - correct answers ✔✔Stomata allow
CO2 to diffuse and can close to minimize water loss. Liverwort pores allow gas exchange and
cannot be closed if conditions become dry.
Vessel elements are more efficient at transporting water than tracheids because ____ - correct
answers ✔✔Vessel elements are wide
Which is not a function of ground tissue?
A) Photosynthesis
B) Sugar storage
C) Plant structural support
D) Sugar transport - correct answers ✔✔D) Sugar transport
What two cell types are examples of vascular tissue? - correct answers ✔✔Tracheids and sieve-
tube elements
What is located on the outermost surface of plants? - correct answers ✔✔Trichomes
What are the roles of xylem and phloem? - correct answers ✔✔Transport water and sugar
Where, on a plant, are dermal tissues located? - correct answers ✔✔On the outside of the plant
2
, The current diameter of a tree trunk is 10 inches. The trunk diameter increases at a rate of 2
inches per year. An insect burrows into the trunk and lays its eggs in the secondary xylem, 1
inch out from the center of the tree. How far from the center will the dormant eggs be located
in two years? Express your answer as an integer. - correct answers ✔✔1.0
All plants exhibit alternation of generations. This means their life cycle - correct answers
✔✔Has both a multicellular haploid stage and a multicellular diploid stage.
What makes the bark of a tree? - correct answers ✔✔Phloem tissue, cork cambium and cork
cells
At the end of the first year's secondary growth, immediately inside the secondary phloem is
the ____ - correct answers ✔✔Vascular cambium
Vascular cambium produce ____ cells toward the outside and ___ cells toward the inside -
correct answers ✔✔Phloem; xylem
Which was a challenge to the survival of the first land plants?
A) Too much water
B) Shortage of Carbon dioxide
C) Desiccation
D) Animal predation - correct answers ✔✔C) Desiccation
Which of the following is not an evolutionary adaptation to life on land?
A) C3 photosynthesis
B) Waxy cuticle
