Question 1

Which of the following animals produces carotenoids?

Accepted Answer

A) pea aphids 
B) flamingos 
C) chickens 
D) butterflies 
E) None of the above are correct-carotenoids are only produced by plants. 
A) pea aphids 
B) flamingos 
C) chickens 
D) butterflies 
E) None of the above are correct-carotenoids are only produced by plants. A

Question 2

Which of the following statements about lignin is not correct?

Accepted Answer

A) Lignin is indigestible by all organisms. 
B) In trees,lignin is more abundant in softwood species than hardwood species. 
C) Lignin protects the plant from pathogens. 
D) Lignin is found in secondary cell walls. 
E) Lignin is not found in primary cell walls. 
A) Lignin is indigestible by all organisms. 
B) In trees,lignin is more abundant in softwood species than hardwood species. 
C) Lignin protects the plant from pathogens. 
D) Lignin is found in secondary cell walls. 
E) Lignin is not found in primary cell walls. A

Question 3

Plant pigments are specifically located within which of the following?

Accepted Answer

A) thylakoid membranes. 
B) stroma 
C) plasma membranes 
D) nuclei 
E) golgi apparatus 
A) thylakoid membranes. 
B) stroma 
C) plasma membranes 
D) nuclei 
E) golgi apparatus A

Question 4

Which of the following pigments is most abundant in chloroplasts?

Accepted Answer

A) carotene 
B) xanthophyll 
C) melanin 
D) chlorophyll 
E) tannins 
A) carotene 
B) xanthophyll 
C) melanin 
D) chlorophyll 
E) tannins

Question 5

Which of the following is not a statement of the Cell Theory?

Accepted Answer

A) All cells arise from preexisting cells. 
B) All cells contain the hereditary material,DNA. 
C) All organisms are made up of cells. 
D) The cell is the basic unit of life. 
E) All of the above are correct statements about the Cell Theory. 
A) All cells arise from preexisting cells. 
B) All cells contain the hereditary material,DNA. 
C) All organisms are made up of cells. 
D) The cell is the basic unit of life. 
E) All of the above are correct statements about the Cell Theory.

Question 6

Which of the following terms is most closely associated with grana?

Accepted Answer

A) leucoplasts 
B) stroma 
C) thylakoids 
D) vacuoles 
E) plastids 
A) leucoplasts 
B) stroma 
C) thylakoids 
D) vacuoles 
E) plastids

Question 7

Most plant cells spend the majority of the time in prophase.

Accepted Answer

A) True 
 B)False

Question 8

In drought conditions when soils are dry for long periods of time,plants cells become ________.

Accepted Answer

A) hypertonic 
B) plasmolyzed 
C) turgid 
D) osmotic 
E) hydrated 
A) hypertonic 
B) plasmolyzed 
C) turgid 
D) osmotic 
E) hydrated

Question 9

Which of the following statements is correct?

Accepted Answer

A) The plasma membrane is selectively permeable (differentially permeable). 
B) The movement of water across the membrane is called facilitated diffusion. 
C) Osmosis is a form of dialysis. 
D) Diffusion and dialysis are usually the same process. 
E) None of the above are correct. 
A) The plasma membrane is selectively permeable (differentially permeable). 
B) The movement of water across the membrane is called facilitated diffusion. 
C) Osmosis is a form of dialysis. 
D) Diffusion and dialysis are usually the same process. 
E) None of the above are correct.

Question 10

Of these three items - concentration gradient,energy,membrane proteins - which two are needed for active transport to take place?

Accepted Answer

A) only a concentration gradient 
B) all three are needed for active transport to take place 
C) a concentration gradient and energy 
D) a concentration gradient and membrane proteins 
E) energy and membrane proteins 
A) only a concentration gradient 
B) all three are needed for active transport to take place 
C) a concentration gradient and energy 
D) a concentration gradient and membrane proteins 
E) energy and membrane proteins

Question 11

The cell is the basic unit of life.

Accepted Answer

A) True 
 B)False

Question 12

If you could travel from the inside of one plant cell into an adjacent plant cell,in what order would you find the following plant cell structures listed below?

Accepted Answer

A) cytoplasm,plasma membrane,cell wall,middle lamella 
B) plasma membrane,cytoplasm,middle lamella,cell wall 
C) cytoplasm,plasma membrane,middle lamella,cell wall 
D) cytoplasm,middle lamella,plasma membrane,cell wall 
E) None of the above are correct. 
A) cytoplasm,plasma membrane,cell wall,middle lamella 
B) plasma membrane,cytoplasm,middle lamella,cell wall 
C) cytoplasm,plasma membrane,middle lamella,cell wall 
D) cytoplasm,middle lamella,plasma membrane,cell wall 
E) None of the above are correct.

Question 13

The Endosymbiont Theory postulates that some membrane-bound organelles of eukaryotic cells,such as chloroplasts and mitochondria,were once free-living bacteria.

Accepted Answer

A) True 
 B)False

Question 14

Phragmoplasts are most closely associated with which of the following?

Accepted Answer

A) prophase 
B) metaphase 
C) anaphase 
D) telophase 
E) cytokinesis 
A) prophase 
B) metaphase 
C) anaphase 
D) telophase 
E) cytokinesis

Question 15

Spindle fibers-composed of microtubules-stretch from the poles to the kinetochore of each chromatid.

Accepted Answer

A) True 
 B)False

Question 16

The quantity of water entering a cell in an isotonic solution is equal to the amount of water exiting.

Accepted Answer

A) True 
 B)False

Question 17

Bacterial endosymbionts of sap-sucking insects provide needed ________ to their hosts.

Accepted Answer

A) DNA 
B) sugars 
C) amino acids 
D) fats 
E) oils 
A) DNA 
B) sugars 
C) amino acids 
D) fats 
E) oils

Question 18

________ is(are)necessary for diffusion to take place.

Accepted Answer

A) A cell membrane 
B) Membrane proteins 
C) Energy 
D) A concentration gradient 
E) More than one of the above are required. 
A) A cell membrane 
B) Membrane proteins 
C) Energy 
D) A concentration gradient 
E) More than one of the above are required.

Question 19

Regulating metabolism and controlling cellular reproduction by destruction of proteins is accomplished by which of the following?

Accepted Answer

A) peroxisomes 
B) proteasomes 
C) glyoxysomes 
D) chromosomes 
E) tannosomes 
A) peroxisomes 
B) proteasomes 
C) glyoxysomes 
D) chromosomes 
E) tannosomes

Question 20

Microtubules and microfilaments comprise the structure of which of the following?

Accepted Answer

A) cell wall 
B) plasmodesmata 
C) plasma membrane 
D) middle lamella 
E) cytoskeleton 
A) cell wall 
B) plasmodesmata 
C) plasma membrane 
D) middle lamella 
E) cytoskeleton

Exam 2: The Plant Cell

Which of the following animals produces carotenoids?

Which of the following statements about lignin is not correct?

Plant pigments are specifically located within which of the following?

Which of the following pigments is most abundant in chloroplasts?

Which of the following is not a statement of the Cell Theory?

Which of the following terms is most closely associated with grana?

Most plant cells spend the majority of the time in prophase.

In drought conditions when soils are dry for long periods of time,plants cells become ________.

Which of the following statements is correct?

Of these three items - concentration gradient,energy,membrane proteins - which two are needed for active transport to take place?

The cell is the basic unit of life.

If you could travel from the inside of one plant cell into an adjacent plant cell,in what order would you find the following plant cell structures listed below?

The Endosymbiont Theory postulates that some membrane-bound organelles of eukaryotic cells,such as chloroplasts and mitochondria,were once free-living bacteria.

Phragmoplasts are most closely associated with which of the following?

Spindle fibers-composed of microtubules-stretch from the poles to the kinetochore of each chromatid.

The quantity of water entering a cell in an isotonic solution is equal to the amount of water exiting.

Bacterial endosymbionts of sap-sucking insects provide needed ________ to their hosts.

________ is(are)necessary for diffusion to take place.

Regulating metabolism and controlling cellular reproduction by destruction of proteins is accomplished by which of the following?

Microtubules and microfilaments comprise the structure of which of the following?

Plants in Our Lives

The Plant Body

Plant Physiology

Plant Life Cycle: Flowers

Plant Life Cycle: Fruits and Seeds

Genetics

Plant Systematics and Evolution

Diversity of Plant Life

Human Nutrition

Origins of Agriculture

The Grasses

Legumes

Starchy Staples

Feeding a Hungry World

Stimulating Beverages

Herbs and Spices

Materials: Cloth, wood, and Paper

Medicinal Plants

Psychoactive Plants

Poisonous and Allergy Plants

The Algae

Fungi in the Natural Environment

Beverages and Foods From Fungi

Fungi That Affect Human Health

Plant Ecology

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