Question 1

Compound leaves

Accepted Answer

A)  have two or more petioles per blade.
B)  have a blade divided into leaflets.
C)  are toothed at the edges.
D)  are alternately arranged.
E)  have palmate venation.F) A) and E)
G) D) and E)

Question 2

The most distinctive characteristic of leaf mesophyll cells is that they are filled with

Accepted Answer

A)  central vacuoles.
B)  many chloroplasts.
C)  oxygen bubbles.
D)  veins.
E)  stomata.F) C) and D)
G) None of the above

Question 3

In certain plants,some of the roots may be modified to carry out unusual functions.Which of these is not an example of one of these special functions?

Accepted Answer

A)  help absorb oxygen
B)  store food or water
C)  carry out photosynthesis
D)  parasitize other plants
E)  discourage herbivoresF) B) and E)
G) A) and B) E

Question 4

You come across a recipe for rhubarb pie.Never having heard of rhubarb,you do a little research.You find out that the part of a rhubarb plant that people eat is the petiole of a large leaf.You purchase some rhubarb for your pie and notice that it contains many long stringy fibers.Based on your knowledge of plant tissues,you know that the stringy fibers are

Accepted Answer

A)  parenchyma tissue.
B)  phloem tissue.
C)  sclerenchyma tissue.
D)  collenchyma tissue.
E)  xylem tissue.F) D) and E)
G) C) and D)

Question 5

A stem that cannot increase in diameter is lacking what type of tissue?

Accepted Answer

A)  xylem
B)  ground meristem
C)  procambium
D)  protoderm
E)  vascular cambiumF) B) and E)
G) A) and D)

Question 6

A friend who is not a biologist tells you that she grows irises from iris roots.You explain to her that the "root" she is planting is not a root,but instead is called a rhizome."Why?" she asked.You explain:

Accepted Answer

A)  "A root grows vertically,not horizontally."
B)  "A rhizome has nodes and internodes and is really a modified stem that can exist underground."
C)  "A root stores nutrients,but rhizomes are underground stems that do not store nutrients."
D)  "A rhizome,although a modified stem,acts as a root does.In other words a rhizome is a stem-root combination."
E)  "A rhizome is a modified root that is able to grow leaves."F) C) and D)
G) A) and D)

Question 7

Primary xylem and phloem are produced by the

Accepted Answer

A)  procambium.
B)  protoderm.
C)  leaf primordial.
D)  ground meristem.
E)  proembryo.F) A) and D)
G) A) and E) A

Question 8

How could you distinguish between a root hair versus a very small root?

Accepted Answer

A)  Root hairs are white,while roots are brown.
B)  Root hairs are extensions of single cells,while roots are multicellular.
C)  Root hairs only absorb water,not nutrients like roots.
D)  Root hairs do not have a cuticle.
E)  The epidermis of a root hair is thinner than the epidermis of a root.F) All of the above
G) A) and E)

Question 9

The slender stalk that connects the flattened leaf blade to the stem in most dicots is the

Accepted Answer

A)  meristem.
B)  petiole.
C)  stele.
D)  receptacle.
E)  vein.F) None of the above
G) B) and C)

Question 10

You have been given a plant sample and asked to identify a specific tissue.Upon investigation,you find the cells are all long in length and some of them have small pores.They all contain fluid.You test the fluid using various biochemical tests and discover the fluid contains an abundance of disaccharides.What type of tissue are you looking at?

Accepted Answer

A)  xylem
B)  phloem
C)  root hair cells
D)  sclerenchyma
E)  meristematicF) B) and E)
G) A) and D) B

Question 11

If you examined a cross section of a woody stem under the microscope and located the vascular cambium,the tissues on the inside of the vascular cambium ring (toward the center of the stem) would be

Accepted Answer

A)  xylem (primary and secondary) .
B)  xylem (only primary) .
C)  phloem (primary and secondary) .
D)  phloem (only secondary) .
E)  phelloderm.F) A) and B)
G) C) and D)

Question 12

Root hairs grow actively in which area of the developing roots?

Accepted Answer

A)  root cap
B)  zone of maturation
C)  zone of elongation
D)  zone of cell division
E)  endodermisF) All of the above
G) B) and E)

Question 13

Which of the following cell types does not move materials through the body of the plant?

Accepted Answer

A)  sclerenchyma
B)  xylem vessel members
C)  sieve tube members
D)  tracheids
E)  sieve cellsF) A) and B)
G) C) and D)

Question 14

Your lab instructor hands you a root slide and asks you to show her a cell with condensed chromosomes arranged in a straight line.In which section of the root would you begin your search?

Accepted Answer

A)  It doesn't matter,all zones have the same level of mitotic activity.
B)  zone of elongation
C)  zone of maturation
D)  zone of cell division
E)  root capF) None of the above
G) A) and D)

Question 15

In the vascular bundles of most dicot stems,primary phloem differentiates toward the ________ of the stem,while primary xylem differentiates toward the ________ of the stem.

Accepted Answer

A)  middle; outside
B)  cork cambium; vascular cambium
C)  outside; middle
D)  shoot tip; roots
E)  middle; middleF) C) and D)
G) A) and B)

Question 16

Damage to the ground meristem of a plant would result in

Accepted Answer

A)  the inability to move water but not sugar through the plant.
B)  decreased sugar production.
C)  an increase of gas exchange at the surface of the leaf.
D)  dehydration of the plant.
E)  inability to move sugar but not water through the plant.F) All of the above
G) B) and C)

Question 17

Cell division in the apical meristems at the tips of a plant that results in increases in height or length is called

Accepted Answer

A)  primary growth.
B)  secondary growth.
C)  vascular cambium growth.
D)  mitotic growth.
E)  herbaceous growth.F) B) and C)
G) C) and D)

Question 18

All of the following describe characteristics of sclerenchyma cells,except which?

Accepted Answer

A)  Their function is primarily to transport oxygen and carbon dioxide throughout the leaf.
B)  They have thick,tough secondary walls.
C)  Their secondary walls may be impregnated with lignin.
D)  They form fibers and sclereids.
E)  They lack living protoplasts when mature.F) A) and B)
G) A) and E)

Question 19

In plants with only primary growth,the epidermis is not

Accepted Answer

A)  one cell thick.
B)  the outer protective coating of the plant.
C)  produced by the protoderm.
D)  covered by a waxy layer that constitutes the cuticle.
E)  covered with bark.F) A) and D)
G) A) and B)

Question 20

Horizontal rows of parenchymal cells that transport materials horizontally are called?

Accepted Answer

A)  rays
B)  tracheids
C)  vessel elements
D)  fibers
E)  sieve tubesF) C) and D)
G) B) and E)

Exam 35: Plant Form

Compound leaves

Correct Answer
verified

The most distinctive characteristic of leaf mesophyll cells is that they are filled with

Correct Answer
verified

In certain plants,some of the roots may be modified to carry out unusual functions.Which of these is not an example of one of these special functions?

Correct Answer
verified
E

Correct Answer
verified

A stem that cannot increase in diameter is lacking what type of tissue?

Correct Answer
verified

A friend who is not a biologist tells you that she grows irises from iris roots.You explain to her that the "root" she is planting is not a root,but instead is called a rhizome."Why?" she asked.You explain:

Correct Answer
verified

Primary xylem and phloem are produced by the

Correct Answer
verified
A

How could you distinguish between a root hair versus a very small root?

Correct Answer
verified

The slender stalk that connects the flattened leaf blade to the stem in most dicots is the

Correct Answer
verified

Correct Answer
verified
B

If you examined a cross section of a woody stem under the microscope and located the vascular cambium,the tissues on the inside of the vascular cambium ring (toward the center of the stem) would be

Correct Answer
verified

Root hairs grow actively in which area of the developing roots?

Correct Answer
verified

Which of the following cell types does not move materials through the body of the plant?

Correct Answer
verified

Your lab instructor hands you a root slide and asks you to show her a cell with condensed chromosomes arranged in a straight line.In which section of the root would you begin your search?

Correct Answer
verified

In the vascular bundles of most dicot stems,primary phloem differentiates toward the of the stem,while primary xylem differentiates toward the of the stem.

Correct Answer
verified

Damage to the ground meristem of a plant would result in

Correct Answer
verified

Cell division in the apical meristems at the tips of a plant that results in increases in height or length is called

Correct Answer
verified

All of the following describe characteristics of sclerenchyma cells,except which?

Correct Answer
verified

In plants with only primary growth,the epidermis is not

Correct Answer
verified

Horizontal rows of parenchymal cells that transport materials horizontally are called?

Correct Answer
verified

Exam 35: Plant Form

Compound leaves

Correct AnswerverifiedShow Answer

The most distinctive characteristic of leaf mesophyll cells is that they are filled with

Correct AnswerverifiedShow Answer

In certain plants,some of the roots may be modified to carry out unusual functions.Which of these is not an example of one of these special functions?

Correct AnswerverifiedE

Correct AnswerverifiedShow Answer

A stem that cannot increase in diameter is lacking what type of tissue?

Correct AnswerverifiedShow Answer

A friend who is not a biologist tells you that she grows irises from iris roots.You explain to her that the "root" she is planting is not a root,but instead is called a rhizome."Why?" she asked.You explain:

Correct AnswerverifiedShow Answer

Primary xylem and phloem are produced by the

Correct AnswerverifiedA

How could you distinguish between a root hair versus a very small root?

Correct AnswerverifiedShow Answer

The slender stalk that connects the flattened leaf blade to the stem in most dicots is the

Correct AnswerverifiedShow Answer

Correct AnswerverifiedB

If you examined a cross section of a woody stem under the microscope and located the vascular cambium,the tissues on the inside of the vascular cambium ring (toward the center of the stem) would be

Correct AnswerverifiedShow Answer

Root hairs grow actively in which area of the developing roots?

Correct AnswerverifiedShow Answer

Which of the following cell types does not move materials through the body of the plant?

Correct AnswerverifiedShow Answer

Your lab instructor hands you a root slide and asks you to show her a cell with condensed chromosomes arranged in a straight line.In which section of the root would you begin your search?

Correct AnswerverifiedShow Answer

In the vascular bundles of most dicot stems,primary phloem differentiates toward the ________ of the stem,while primary xylem differentiates toward the ________ of the stem.

Correct AnswerverifiedShow Answer

Damage to the ground meristem of a plant would result in

Correct AnswerverifiedShow Answer

Cell division in the apical meristems at the tips of a plant that results in increases in height or length is called

Correct AnswerverifiedShow Answer

All of the following describe characteristics of sclerenchyma cells,except which?

Correct AnswerverifiedShow Answer

In plants with only primary growth,the epidermis is not

Correct AnswerverifiedShow Answer

Horizontal rows of parenchymal cells that transport materials horizontally are called?

Correct AnswerverifiedShow Answer

Correct Answer
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E

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A

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Correct Answer
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B

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In the vascular bundles of most dicot stems,primary phloem differentiates toward the of the stem,while primary xylem differentiates toward the of the stem.

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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