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Test your basic knowledge |
SAT Subject Test: Biology
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Subjects
:
sat
,
science
,
biology
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. A mitotic or meiotic stage in which the chromosomes become visible and during which the spindle fibers form; synapsis takes place during the first meiotic prophase
capillary
lymph
prophase
Rh factor
2. The conversion of digested foods and other materials into forms usable by the body (i.e. - the conversion of amino acids into proteins)
pairing
fitness
respiratory center
assimilation
3. Describes an individual that has the same gene for the same trait on each homologous chromosome
style
reduction
homozygous
isolation
4. Occurs when different traits are inherited together more often than they would have been by chance along; it is assumed that these traits are linked on the same chromosome
independent assortment
linkage
consumer
autosome
5. An antigen in blood; can cause erythroblastosis fetalis when the mother is Rh- and the fetus is Rh+
trachea
epinephrine
Rh factor
gastrula
6. A short - stubby rod consisting of chromatin that is found in the nucleus of the cells; contains the genetic or hereditary component of cells (in the form of genes)
anaerobe
chromosome
chemosynthesis
nerve cord
7. A dark-staining small body within the nucleus; composed of RNA
nucleolus
cell wall
photolysis
olfactory
8. A pair of chromosome pairs present during the first metaphase of meiosis
imprinting
tetrad
aortic arch
carbohydrate
9. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase
polymorphism
cretinism
sporophyte
cross-pollination
10. An organ that is not functional in an organism - but was functional at some period in its evolution
respiratory center
vestigial organ
anaerobic
embolus
11. The orderly process by which one biotic community replaces another until a climax community is established
neuron
chlorophyll
ecological succession
vagus nerve
12. An individual that is heterozygous for only one trait
hypertonic
chyme
monohybrid
steroid
13. A condition in which an organism may have a multiple of the normal number of chromosomes (4n - 6n - etc)
polyploidy
binary fission
esophagus
estrogen
14. A category of taxonomic classification that is ranked above class and under kingdoms
exocytosis
phylum
Chordata
epinephrine
15. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions
homologous
reduction
assimilation
olfactory
16. The hind portion of the forebrain of vertebrates
bacillus
marsupial
guard cell
diencephalon
17. The portion of seed plant embryo above the cotyledon
sensory neuron
emulsion
epicotyl
lipase
18. A female sex hormone secreted by the follicle
RNA
estrogen
iris
germ layer
19. A thyroid deficiency that results in stunted growth and feeblemindedness
homozygous
meninges
cretinism
glycogen
20. An offspring that is heterozygous for one or more gene pairs
hybrid
sphincter
diastole
smooth muscle
21. The study of all living processes - activities and functions
Golgi apparatus
saprophyte
physiology
homologous
22. The part of the alimentary canal between the mouth and the esophagus
homologous
ungulate
pharynx
hepatic portal system
23. A reproductive cell that is capable of developing directly into an adult
pistil
spore
heterotroph
aerobic
24. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles
amnion
adrenaline (epinephrin)
interphase
macula
25. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male
sex chromosome
prophase
ureter
genetic code
26. A symbol that denotes the relative concentration of hydrogen ions in a solution
deoxyribose
synapse
pH
tundra
27. An organic catalyst and protein
stigma
pinocytosis
homeotherm
enzyme
28. The part of the hindbrain located in the brain stem
spindle
pons
insulin
Arthropoda
29. A ring-shaped muscle that is capable of closing a tubular opening by constriction
trypsin
sphincter
homozygous
Eustachian tube
30. A substance that participates in the clotting of blood in vertebrates
point mutation
thrombin
inversion
hormone
31. The law by which genes on different chromosomes are inherited independently of each other
independent assortment
uterus
carbohydrate
polymorphism
32. A foreign protein that stimulates the production of antibodies when introduced into the body of an organism
vagus nerve
antigen
centrosome
cleavage
33. A remnant of follicle after ovulation that secretes the hormone progesterone
anaerobic
corpus luteum
trachea
host
34. A decimal fraction that represents the presence of an allele for all members of a population that have a particular gene locus
auxin
integument
gene frequency
dendrite
35. The outer - transparent layer of the eye
cornea
parthenogenesis
homologous
budding
36. A cell resulting from the fusion of gametes
zygote
acetylcholine
inversion
feedback mechanism
37. An organism that utilizes the energy of inorganic materials such as water and carbon dioxide or the sun to manufacture organic materials
autotroph
cerebral hemisphere
retina
inversion
38. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water
hypotonic
neuron
root hair
pons
39. Globular proteins produced by tissues that destroy or inactivate antigens
epinephrine
ilium
pepsin
antibody
40. A cell in the retina that is sensitive to weak light
recessive
maltose
retina
rod
41. The largest artery; carries blood from the left ventricle
aorta
polymer
recessive
genotype
42. The division in animal cell cytoplasm caused by the pinching in of the cell membrane
ADH (vassopressin)
pathogen
cleavage
larva
43. The removal of an amino group from an organism - particularly from an amino acid
ingestion
pharynx
polyploidy
deamination
44. A bone of the upper arm
plasma
humerus
aerobe
littoral zone
45. A dominant allele suppresses the expression of the other member of an allele pair when both members are present
diploid
chorion
RNA
dominance
46. A pouched mammal - such as the kangaroo or opossum
spindle
oogenesis
hydrostatic skeleton
marsupial
47. A stage of embryonic development in which the embryo consists of a hollow ball of cells
myelin sheath
fermentation
blastula
neural tube
48. In mammals - a flap of tissue above the glottis; it folds back over the glottis in swallowing to close the air passages of the lungs; contains elastic cartilage
epiglottis
estrogen
plexus
recombinant DNA technology
49. The process by which a certain function is regulated by the amount of the substance it produces
feedback mechanism
disjunction
eye
isolation
50. The kind of bond formed when two amino acid units are jointed end to end
diffusion
peptide
F2
seminal fluid
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