Art, theology, and philosophy are non-sciences because they:
a. are not
worthwhile fields of study.
b. are basically
untrue.
c. deal with things
that cannot be tested by the scientific method.
d. are bodies of
knowledge too small to qualify as science.
2. The
electron transport system uses __________ atoms.
a. hydrogen
b. carbon
c. nitrogen
d. all of the
choices apply
3. A gene
that can be masked by another gene is called:
a. pleiotropy.
b. dominant.
c. incompletely
dominant.
d. recessive.
4. A
community:
a. is a population
living in a certain habitat.
b. is a portion of a
species making its home within a certain habitat.
c. includes those
animals that only visit a habitat for food and drink.
d. includes all
organisms that interact with one another within a local area.
5. The
cardiovascular system includes all of the following, except:
a. heart.
b. vessels.
c. lymph.
d. blood.
6. Chewing
is important because it:
a. alters the food
chemically.
b. adds enzymes that
cause starch, proteins, and fats to begin to be broken down.
c. increases the
surface area exposed to the action of enzymes.
d. is required by
your mother.
7. A
population with five males and five females is an example of:
a. age distribution.
b. gene flow.
c. sex ratio.
d. reproductive
capacity.
8. Humans
have the diploid number of chromosomes, 2n = 46. This also indicates that
humans:
a. have two genomes.
b. are more
intelligent than worms.
c. have at least two
genotypes that can result from fertilization.
d. have 23
chromosomes that are necessary for life.
9. Carbohydrates
can be converted into:
a. glycerol.
b. fatty acids.
c. amino acids.
d. all of the
choices apply.
10. All
chemical reactions:
a. involve the
creation of new atoms.
b. involve a change
in chemical bonds.
c. are dangerous.
d. create energy.
11. The
substrate is:
a. the material
changed by an enzyme.
b. a coenzyme.
c. the material
formed by an enzyme.
d. always a protein.
12. This
occurs when there is a problem with controlling how cells divide and replace
themselves.
a. Crossing over
b. Nondisjunction
c. Cancer
d. Death
13. The living
organism that provides nutrients for a parasite is the:
a. prey.
b. host.
c. predator.
d. scavenger.
14. __________
are not considered microorganisms.
a. Yeast cells
b. Bacteria
c. Protozoa
d. Insects
15. The
behavior of animals is under the control of:
a. the endocrine
system.
b. the nervous
system.
c. both the nervous
system and the endocrine system.
d. neither the
nervous system nor the endocrine system.
16. Currently,
the human population of the world:
a. has reached its
carrying capacity.
b. is stable.
c. is declining in
much of the world.
d. is increasing
rapidly.
17. Plants
that are exactly alike genetically are:
a. homozygous.
b. mutants.
c. clones.
d. highly
genetically diverse.
18. The
production of ATP occurs:
a. as hydrogen ions
move across membranes.
b. in chloroplasts.
c. in mitochondria.
d. in all of these
choices.
19. AgNO3 +
NaCl AgCl + NaNO3. The AgNO3 in this
equation is called a(n):
a. reactant.
b. acid.
c. product.
d. base.
20. Molecules
move from an area of low concentration to an area of high concentration during:
a. osmosis.
b. facilitated
diffusion.
c. diffusion.
d. active transport.
21. Chromosomes
first become visible during:
a. prophase I.
b. metaphase I.
c. anaphase I.
d. telophase I.
22. The branch
of science that deals with the study of organisms and how they interact with
their environment is known as:
a. biology.
b. the biome.
c. ecology.
d. abiotic.
23. The
largest taxonomic grouping is the:
a. kingdom.
b. phylum.
c. domain.
d. family.
24. Smooth
muscle:
a. can stay
contracted for long periods of time.
b. responds quickly
to nervous stimulation.
c. is present in
specific parts of the body like the muscles of the back.
d. does not respond
to hormones.
25. Which of
the following is the most likely series of events?
a. Earth
formedâoxygen in atmosphereâliving organismsâozone
b. Ozoneâliving
organismsâplantsâorganic molecules
c. Organic
moleculesâozoneâliving organismsâoxygen in atmosphere
d. Organic
moleculesâliving organismsâoxygen in atmosphereâozone
26. There is a
population of giraffes. Some have short necks, some have medium-length necks,
and some have long necks. If the short-necked giraffes are regularly eliminated
from the population, this would be an example of:
a. disruptive
selection.
b. sexual selection.
c. dysfunctional
selection.
d. directional
selection.
27. The oxygen
produced by a plant comes most directly from:
a. CO2.
b. H2O.
c. C6H12O6.
d.
glyceraldehyde-3-phosphate.
28. Enzymes
are made from:
a. fats.
b. proteins.
c. cytoplasm.
d. nucleoplasm.
29. A human
cell contains 46 chromosomes consisting of about __________ genes.
a. 50
b. 25,000
c. 80,000,000
d. 3,000,000
30. Lamarck’s
theory of evolution was based upon:
a. polyploidy.
b. geographic
isolation.
c. macroevolution.
d. acquired
characteristics.
31. The use of
binomial system of nomenclature was developed by:
a. Linnaeus.
b. Lamarck.
c. Oparin.
d. Taxa.
32. The onset
of puberty:
a. is typically
earlier in girls than boys.
b. involves
increased production of estrogen or testosterone.
c. causes changes in
body structure.
d. all of the
choices apply.
33. Sexuality
is:
a. the sexual
anatomy of an individual.
b. the sex drive and
related behaviors of an individual.
c. often different
in other cultures.
d. all of the
choices apply.
34. The
science that seeks to show evolutionary relationships between organisms is:
a. phylogeny.
b. anatomy.
c. taxonomy.
d. nomenclature.
35. A dominant
allele does not express itself in every person that contains it; occasionally
parents without the characteristic have children that show the characteristic.
This statement represents a feature known as:
a. fitness.
b. expressivity.
c. recessiveness.
d. penetrance.
36. Which of
the following contains a coded message of how to construct a protein?
a. ATP
b. tRNA
c. Ribosome
d. mRNA
37. Energy can
be furnished to a cell by extracting it directly from:
a. enzymes.
b. minerals.
c. coenzymes.
d. fats.
38. Photosynthesis
takes place in:
a. both plants and
animals.
b. animals, but not
plants.
c. plants, but not
animals.
d. bacteria only.
39. An
individual’s genome includes:
a. only favorable
genes.
b. only genes passed
on to the offspring.
c. all of its genes.
d. all the genes
except those resulting from mutations.
40. Egg cells
are fertilized in the:
a. cervix.
b. vagina.
c. ovary.
d. oviduct.
41. Which of
the following is part of the abiotic environment of an organism?
a. Grass
b. Rain
c. Food
d. Decomposers
42. Exon and
intron are best associated with:
a. transcription.
b. translation.
c. replication.
d. prokaryotic cells.
43. Which of
the following kinds of organisms can manufacture the greatest variety of
organic compounds?
a. Aerobic bacteria
b. Anaerobic
bacteria
c. Animals
d. Plants
44. For two
types of organisms to belong to the same species, they must:
a. look alike.
b. live in the same
geographic region.
c. be able to
naturally produce fertile offspring.
d. contain the same
gene frequencies.
45. All of the
following characteristics are typical for microorganisms, except:
a. generally consist
of single cell or groups of cells with little specialization.
b. generally
reproduce by asexual reproduction.
c. most are
parasites.
d. generally live in
moist environments.
46. The source
of energy for nearly all ecosystems is:
a. the sun.
b. food.
c. oxygen.
d. water.
47. Glycolysis
takes place in the:
a. mitochondria.
b. cytoplasm.
c. grana.
d. stroma.
48. Natality
is greater than mortality during the __________ phase.
a. stable
equilibrium
b. lag
c. exponential
growth
d. death
49. Bile is
produced in the:
a. liver.
b. duodenum.
c. pancreas.
d. stomach.
50. Different
forms of the same gene are referred to as:
a. loci.
b. alleles.
c. homozygotes.
d. hybrids.
