BIO 200 EXAM 2 REVIEW QUESTIONS WITH VERIFIED
ANSWERS
For this pair of items, choose the option that best describes their relationship.
(A) the probability of damage by beetles to developing soybean pods with 10 trichomes
per square mm
(B) the probability of damage by beetles to developing soybean pods with 2 trichomes
per square mm
A. Item (A) is greater than item (B).
B. Item (A) is less than item (B).
C. Item (A) is exactly or very approximately equal to item (B).
D.Item (A) may stand in more than one of the above relations to item (B). - Answers - B
All of the following are plant adaptations to life on land EXCEPT...
A. tracheids and vessels.
B.root hairs.
C.the cuticle.
D.the Calvin cycle of photosynthesis.
E.collenchyma. - Answers - D
Which part of a plant absorbs most of the water and minerals taken up from the soil?
A.taproots
B.root hairs
C.the thick parts of the roots near the base of the stem
D.storage roots
E.sections of the root that have secondary xylem - Answers - B
What would be a plant adaptation that increases exposure of a plant to light in a forest
with a dense canopy?
A.closing of the stomata
B.lateral buds
C.apical dominance
D.absence of petioles
E.intercalary meristems - Answers - C
When you eat Brussels sprouts, what are you eating?
A.immature flowers
B.large axillary buds
, C.petioles
D.storage leaves
E.storage roots - Answers - B
CO2 enters the inner spaces of the leaf through the...
A.cuticle.
B.epidermal trichomes.
C.stoma.
D.phloem.
E.walls of guard cells. - Answers - C
Which of the following are sugar-transporting cells in angiosperms?
A.parenchyma cells
B.collenchyma cells
C.sclerenchyma cells
D.tracheids and vessel elements
E.sieve-tube elements - Answers - E
Plants contain meristems whose only function is to...
A.attract pollinators.
B.absorb ions.
C.photosynthesize.
D.divide.
E.produce flowers. - Answers - D
As a youngster, you drive a nail in the trunk of a young tree that is 3 meters tall. The nail
is about 1.5 meters from the ground. Fifteen years later, you return and discover the
tree has grown to a height of 30 meters. How many meters above the ground would you
now find the nail?
A.0.5
B.1.5
C.3.0
D.15.0
E.28.5 - Answers - B
Plants with thorns (modified stems) are typical of plants that historically have needed to
protect themselves from...
A.hungry insects.
B.hungry herbivores.
C.hungry carnivores.
D.windstorms.
ANSWERS
For this pair of items, choose the option that best describes their relationship.
(A) the probability of damage by beetles to developing soybean pods with 10 trichomes
per square mm
(B) the probability of damage by beetles to developing soybean pods with 2 trichomes
per square mm
A. Item (A) is greater than item (B).
B. Item (A) is less than item (B).
C. Item (A) is exactly or very approximately equal to item (B).
D.Item (A) may stand in more than one of the above relations to item (B). - Answers - B
All of the following are plant adaptations to life on land EXCEPT...
A. tracheids and vessels.
B.root hairs.
C.the cuticle.
D.the Calvin cycle of photosynthesis.
E.collenchyma. - Answers - D
Which part of a plant absorbs most of the water and minerals taken up from the soil?
A.taproots
B.root hairs
C.the thick parts of the roots near the base of the stem
D.storage roots
E.sections of the root that have secondary xylem - Answers - B
What would be a plant adaptation that increases exposure of a plant to light in a forest
with a dense canopy?
A.closing of the stomata
B.lateral buds
C.apical dominance
D.absence of petioles
E.intercalary meristems - Answers - C
When you eat Brussels sprouts, what are you eating?
A.immature flowers
B.large axillary buds
, C.petioles
D.storage leaves
E.storage roots - Answers - B
CO2 enters the inner spaces of the leaf through the...
A.cuticle.
B.epidermal trichomes.
C.stoma.
D.phloem.
E.walls of guard cells. - Answers - C
Which of the following are sugar-transporting cells in angiosperms?
A.parenchyma cells
B.collenchyma cells
C.sclerenchyma cells
D.tracheids and vessel elements
E.sieve-tube elements - Answers - E
Plants contain meristems whose only function is to...
A.attract pollinators.
B.absorb ions.
C.photosynthesize.
D.divide.
E.produce flowers. - Answers - D
As a youngster, you drive a nail in the trunk of a young tree that is 3 meters tall. The nail
is about 1.5 meters from the ground. Fifteen years later, you return and discover the
tree has grown to a height of 30 meters. How many meters above the ground would you
now find the nail?
A.0.5
B.1.5
C.3.0
D.15.0
E.28.5 - Answers - B
Plants with thorns (modified stems) are typical of plants that historically have needed to
protect themselves from...
A.hungry insects.
B.hungry herbivores.
C.hungry carnivores.
D.windstorms.
