BIO 231

Document Type
Test Prep
Book Title
Mader-- Biology-- AP Edition 11th Edition
Sylvia Mader
1) which of the following statements concerning the indirect values of biodiversity is
not correct?
a. trees take up carbon dioxide and release oxygen when they photosynthesize.
b. forests act as a sponge to soak up water and release it during drier periods.
c. if biodiversity cannot maintain the biogeochemical cycles, then technology will have
to artificially create those cycles.
d. diverse organisms are critical in breaking down wastes and immobilizing pollutants.
e. all of the choices are correct. none of these statements are incorrect.
2) which of the following experiments helped b. f. skinner develop the idea of operant
a. young geese were exposed to skinner shortly after their birth so they would think he
was their mother.
b. a dog was trained to put its paw on a lever in order to receive a pellet of food as a
c. a dog would salivate when presented with a bowl of food so a bell was rung to build
the association between the bell and food.
d. a rat was trained to run a maze in a short amount of time in order to receive a reward.
e. a rat was trained to pull a lever to receive a reward of a food pellet.
3) which allele combination represents a homozygous dominant individual?
a. aa
b. aa
c. aa
d. none of these are homozygous dominant individuals
4) if a person were to suffer a second degree burn to their fingers, which group of
receptors would suffer the greatest amount of damage?
a. meissner corpuscles
b. merkel disks
c. pacinian corpuscles
d. ruffini endings
5) _______ control is the most critical level of eukaryotic genetic control.
a. feedback
b. translational
c. transcriptional
d. posttranscriptional
e. posttranslational
6) which of the following are structural carbohydrate molecules?
a. starch and glycogen
b. starch and cellulose
c. glycogen and cellulose
d. cellulose and chitin
e. glycogen and chitin
7) learned behavior that causes a family of baby ducks to follow their mother is called
a. imprinting.
b. operant conditioning.
c. insight learning.
d. extinction.
e. motivation.
8) which of the following serves as the first site of blood formation in the embryo?
a. chorion
b. amnion
c. placenta
d. yolk sac
e. allantois.
9) which of the following events occurs during prophase i but does not occur during
prophase of mitosis?
a. crossing over
b. nuclear envelope dissolves
c. chromatin condenses into chromosomes
d. centrioles appear in animal cells
10) which of the following products are unique to vacuoles?
a. water
b. sugars
c. water-soluble pigments
d. all of these are found in vacuoles
11) the scientific study of fossils and what they reveal about prehistoric life in relation
to ancient climates and environments is
a. biogeography.
b. comparative molecular biology.
c. paleontology.
d. geology.
12) generally, animals build an organism using the diploid number of chromosomes.
however, insects in the order of ants, wasps and bees can use a haploid-diploid system
where adults of one sex are formed with a haploid number of chromosomes. this would
mean that
a. a single set of chromosomes is sufficient to code for a functional individual.
b. a female could determine the sex of the offspring by fertilizing or not fertilizing an
c. the males and females are not equally "related" to their mothers considering the
proportion of genes held in common.
d. all of the choices are true.
e. this system in no way differs from regular diploid organisms.
13) which is associated with the inability to produce factor viii in the blood?
a. williams syndrome
b. trisomy 21
c. color-blindness
d. hemophilia a
e. duchenne muscular dystrophy
14) the sclera is continuous with the
a. cornea.
b. iris.
c. retina.
d. choroid coat.
e. fovea centralis.
15) the radius is to the ulna as the
a. tibia is to the femur.
b. fibula is to the ulna.
c. fibula is to the tibia.
d. humerus is to the femur.
16) which of the following is a method of posttranscriptional control?
a. transcription factors
b. the life span of a mrna molecule
c. differential processing of mrna
d. how fast the mrna leaves the nucleus
e. both c and d are methods of posttranscriptional control.
17) gymnosperm are characterized by producing "naked seeds". which of the following
group is not classified as a gymnosperm?
a. horsetails.
b. cycads.
c. conifers.
d. gnetophytes.
e. ginkgoes.
18) at one time it was thought impossible to operate within the body cavities. but then
the canadian doctor william beaumont operated on a gunshot wound to the stomach. a
few decades later we saw breakthroughs in heart operations and transplants. and the
1990s were called the decade of the brain because of the extensive research being done
on how the brain functions. the order in which these discoveries were made, by cavity,
a. abdominal-thoracic-dorsal.
b. abdominal-dorsal-thoracic.
c. dorsal-thoracic-abdominal.
d. thoracic-abdominal-dorsal.
e. thoracic-dorsal-abdominal.
19) how does gibberellin actually work?
a. in the presence of blue light, it triggers additional photosynthesis and growth.
b. it attaches to a plasma membrane receptor and results in gene activation to produce
the enzyme amylase that releases sugars for additional cell growth, division, and
c. in the presence of light, it increases the formation of additional dna that codes for
additional plant structures.
d. in the presence of unidirectional light, it moves to the shady side and activates an
atp-driven proton pump that results in weakened cell walls and eventual elongation.
e. in the presence of light, it increases the turgor pressure of the cell and accelerates
20) all of the following are functions of the lymphatic system except
a. absorbing excess tissue fluids and returning them to the bloodstream.
b. transporting gases, nutrients, and metabolic wastes to parts of the body which have
exchange boundaries with the external environment.
c. production, maintenance, and distribution of lymphocytes.
d. defending the body against pathogens.

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