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Which of the following is false regarding age-related macular degeneration?
a. It results in progressive destruction of photoreceptors in the fovea and surrounding
region.
b. It clouds the center of the visual field.
c. It has no genetic basis.
d. Smoking, high blood pressure, and obesity increase its risk.
e. It cannot be cured, but its progression can be slowed.
Antihistamines dampen the effect of allergic reactions by
a. blocking the production of histamines.
b. blocking the release of histamines.
c. blocking the effect of histamines.
d. enzymatically destroying the histamines.
e. none of these.
pineal gland
Choose the one most appropriate answer for each.
a. secretes one hormone that increases the metabolic rate and another that inhibits
calcium release from bone storage sites
b. secrete insulin and glucagon
c. secretes hormones that prepare accessory reproductive structures for reproduction
d. involved in lymphocyte maturation
e. secretes tropic hormones, growth hormone, and prolactin
f. secretes mineralocorticoids and glucocorticoids
g. in many vertebrates, helps to determine the amount and distribution of dark pigments
in the skin
h. secrete enzymes that help to form angiotensin
i. participates in reproductive physiology and responds to photoperiod change
j. releases oxytocin and antidiuretic hormone into bloodstream
k. secretes a hormone that promotes calcium release from bone storage sites
l. produces oxytocin and antidiuretic hormone
m. secretes cholecystokinin, secretin, and gastrin
n. secretes epinephrine and norepinephrine
o. secrete pheromones, milk, tears, sweat, and mucus
The layer of the eye where photoreceptors are located is the
a. lens.
b. cornea.
c. pupil.
d. iris.
e. retina.
Answer the following questions in reference to the five plant tissues listed below.
a. parenchyma
b. collenchyma
c. sclerenchyma
d. xylem
e. phloem
Plant tissue involved in regeneration following a wound.
The utricle and saccule
a. each contain an organ of dynamic equilibrium.
b. detect rotation of the head.
c. detect how the head is oriented relative to the ground.
d. are semicircular canals.
e. organs use the auditory nerve to send information to the brain.
A flower forms from
a. an ovary tissue that migrates from the root.
b. stem cells that form tumor like growths.
c. impregnated pollen grains.
d. a modified branch called a receptacle.
e. bark tissue.
Plasmids
a. are self-replicating circular molecules of DNA.
b. may be transferred between bacteria.
c. may pick up genes from other prokaryotes.
d. contains genes separate from the bacterial chromosome.
e. fit all of these descriptions.
Which of the following is the site where mature sperm are stored?
a. ureter
b. urethra
c. vas deferens
d. bulbourethral gland
e. epididymis
Select the best choice for the following statements in reference to the four hominids
listed below.
a. Homo habilis
b. Homo erectus
c. Homo sapiens
d. Homo neanderthalensis
This species was the first Homo species definitely known to use tools.
Cardiac muscle cells are
a. involuntary.
b. spindle-shaped.
c. multinucleated.
d. slow contracting.
e. all of these.
The movement of organic compounds in phloem is described as
a. sink-to-source.
b. pressure flow.
c. cohesion-tension.
d. active transport.
e. transpiration pull.
Use the figure above showing cyclic events in a human ovary to answer the following
questions.
Ovulation is indicated by
a. A.
b. B.
c. C.
d. D.
e. E.
One generalization of the cell theory is that
a. all cells have a nucleus.
b. all cells have cell walls.
c. the cell is the smallest unit that displays the properties of life.
d. cells can arise from nonliving matter.
e. all cells are microscopic.
In highly integrated insect societies,
a. natural selection favors individual behaviors that lead to greater diversity among
members of the society.
b. there is scarcely any division of labor.
c. cooperative behavior predominates.
d. patterns of behavior are flexible, and learned behavior predominates.
e. all of these are true.
Polyunsaturated fats
a. have fewer hydrogen atoms than do saturated fats.
b. are more characteristic of animal fats than plant fats.
c. have no double bonds.
d. are solid at room temperature.
e. are none of these.
Respond to the following statements in reference to the four regions of a nephron listed
below.
a. Bowman's capsule
b. proximal tubule
c. descending portion of loop of Henle
d. distal tubule
Filtration of the blood occurs in association with this structure.
The following questions refer to the figure above illustrating a tallgrass prairie food
chain.
An herbivore is indicated by
a. A.
b. B.
c. C.
d. D.
e. E.
Fertilization in mammals normally occurs in the
a. ovary.
b. uterus.
c. vagina.
d. oviduct.
e. follicle.
Interneuron
Even though there may be more than one correct letter response to some numbered
items, discriminate and "juggle" so that you have the one BEST response for each.
a. cells that nurture and support neurons
b. a hyperpolarizing event
c. a neuron cannot propagate an action potential at this time
d. Acetylcholine or GABA
e. interneuron in brain or spinal cord
f. establishes basis of resting membrane potential
g. sheathed muscle cells that contain receptors
h. input
i. integrator cell between sensory and motor
j. modified dendrite of a sensory neuron
k. a depolarizing event
l. output
m. muscle or gland
n. produced by a Schwann cell
o. cluster of cell bodies outside the CNS
The figure above represents
a. the algae that were to give rise to plants.
b. protists.
c. fungi.
d. soil bacterium with primitive membrane folds.
e. all of these.
Humans produce sounds by controlling the vibration of vocal cords as air passes
through the
a. pharynx.
b. glottis.
c. epiglottis.
d. pleura.
e. trachea.
Tay-Sachs disease affects which system?
a. reproductive
b. digestive
c. respiratory
d. nervous
e. cardiovascular
Sepal
Choose the one most appropriate answer for each.
a. male spores of anthers
b. site where pollen tube usually penetrates the ovule
c. develops into a fruit at maturity
d. a 2n cell that will help form nutrients for the developing plant embryo
e. cluster of matured ovaries attached to a common receptacle
f. modified leaf with pigments and fragrance-producing cells
g. immature male gametophyte
h. female reproductive organ
i. landing platform for pollen
j. pollen-bearing structure
k. female spores of ovule
l. outermost whorl of leaf parts on a receptacle; generally green, but sometimes
pigmented
m. female gametophyte
n. matured ovaries of several flowers fused together into a single mass (for example,
pineapple, fig)
o. forms a seed at maturity
Choose the one most appropriate answer for each.
a. gives rise to periderm
b. nucleate phloem cells that help load and unload the phloem
c. dead cells with perforation plates; more efficient at water conduction than other
xylem cells
d. living nonnucleated cells that conduct food from photosynthetic source area to
storage sink area
e. a cylinder of parenchyma cells outside the vascular tissue but inside the endodermis
f. clusters of strands containing xylem, phloem, and vascular cambium
g. dead cells without perforation plates; the principal xylem cells of nonflowering
vascular plants
h. cells with thick secondary walls impregnated with lignin that are especially abundant
in some fruits and seeds
i. the principal photosynthetic region of a leaf
j. regions that can undergo mitosis
k. gas exchange and storage plus photosynthesis
Vascular bundles
An opening in leaves that functions in the exchange of gases is called a
a. cuticle.
b. stoma.
c. guard cell.
d. pit.
e. pore.
The diastolic pressure for a normal young adult is
a. 60 mm Hg.
b. 80 mm Hg.
c. 100 mm Hg.
d. 120 mm Hg.
e. 140 mm Hg.
How many chromosomes are present in the somatic cells of a child born with Down
syndrome (trisomy 21)?
a. 12
b. 23
c. 24
d. 46
e. 47
Respond to the following statements with reference to the five terms listed below.
a. zygote
b. blastula
c. cleavage
d. gastrula
e. somites
This is the fertilized egg.
habitat island
Choose the one most appropriate answer for each.
a. a reduction in suitable places to live
b. organisms that give an "early warning" signal of changes in biodiversity
c. new method of harvesting trees to preserve diversity
d. a field of research whose goal is conservation of biodiversity
e. species vulnerable to extinction
f. broad land or ocean region defined by climate, geography, and producers
g. ocean structure of amazing biological complexity
h. locations where species are in greatest danger of extinction
i. a national park is an example
j. narrow corridor of vegetation along a stream or river
k. isolated patches of habitat;
You will need a genetic code table to answer the following. The following statements
refer to the five RNA codons listed below; match them appropriately.
a. AUG
b. UAA
c. UUU
d. UUA
e. AAA
This codon terminates a coding region.
