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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.
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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 transmitter substance released from the axons of nerve cells at the synapse
rod
assimilation
sex linkage
acetylcholine
2. Organism that consumes food from outside itself instead of producing it
aorta
hybrid
substrate
consumer
3. The enzyme that acts upon lactose
centrosome
photolysis
lactase
codominant
4. A grouping of neuron cell bodies that acts as a coordinating center
vestigial organ
rickettsia
ganglion
incomplete dominance
5. A hormone produced by the Islets of Langerhans in the pancreas
chemotropism
pathogen
monohybrid
insulin
6. Describes cells (gametes) that have half the chromosome number typical of the species
haploid
translocation
angiosperm
chromosome
7. 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
incomplete dominance
irritability
prophase
dendrite
8. The transfer of a piece of chromosome to another chromosome
metabolism
diffusion
epidermis
translocation
9. The process by which environmental patterns or objects presented to a developing organism during a "critical period" of its growth is accepted as a permanent element of its behavior
trilobite
cation
pith
imprinting
10. Involuntary muscle
vestigial organ
chromatid
smooth muscle
photolysis
11. Any organism that is the victim of a parasite
enzyme
host
gibberellin
gene
12. The sensory branch of each spinal nerve
vagus nerve
dorsal root
Golgi apparatus
meristem
13. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron
hemoglobin
isolation
synapse
pedigree
14. The outermost - extra-embryonic membrane of reptiles and birds
rhizome
chorion
diffusion
anaphase
15. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)
chorion
nucleus
carapace
plasmodium
16. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males
synaptic terminal
polar body
endoderm
FSH
17. The thigh bone of vertebrates
malpighian tubules
femur
consumer
polymer
18. Describes an organism that lives symbiotically with a host; this host neither benefits nor suffers from the association
gylcolysis
RNA
commensal
electron transport chain
19. The biome located between the polar region and the tiaga
plankton
Krebs cycle
gibberellin
tundra
20. A cell that divides to form two secondary spermatocytes
climax community
Calvin cycle
primary spermatocyte
glycogen
21. Protective immunity to a disease in which the individual produces antibodies as a result of previous exposure to the antigen
mutation
imprinting
carbon cycle
active immunity
22. Any movement or growth of a living organism in response to the force of gravity
fruit
incomplete dominance
geotropism
anther
23. Passively floating or drifting flora and fauna of a body of water; consists mainly of microscopic organisms
pituitary
plankton
medulla oblongata
sinus
24. An organism that possesses one or more whiplike appendages called flagella
fibrinogen
chyme
flagellate
adrenocorticotrophic hormone
25. A "seed leaf"; responsible for food digestion and storage in plant embryo
cotyledon
metabolism
homeotherm
nerve cord
26. The female gonad in animals; the base of the pistil in plants
ovary
spindle
diencephalon
anaerobe
27. A vacuole in the cytoplasm in which digestion takes place (in protozoans)
imprinting
immunity
guard cell
food vacuole
28. A chemical messenger that is secreted by one part of the body and carried by the blood to affect another part of the body - usually a muscle or gland
hormone
thoracic duct
nerve
genetic drift
29. The creation of certain strains of specific traits through control of breeding
prokaryote
selective breeding
chromosome
semicircular canals
30. A colloidal system involving the dispersion of a liquid within a liquid
emulsion
species
centriole
pairing
31. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA
cerebral cortex
gibberellin
organelle
deoxyribose
32. Vascular tissue of the plant that aids in support and carries water
phylogeny
uterus
hermaphrodite
xylem
33. A stage of mitosis; chromosomes line up at the equator of the cell
metaphase
alveolus
disaccharide
carbohydrate
34. A structure that extends from the trunk of an organism and is capable of active movements
flagellate
lactid acid fermentation
appendage
oogenesis
35. The veins that carry blood from the digestive organs to the liver
hepatic portal system
notochord
adaptation
cation
36. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male
centriole
photolysis
cerebral cortex
sex chromosome
37. A process by which the vesicle in the cell fuses with the cell membrane and releases its contents to the outside
fermentation
recombinant DNA technology
rhodopsin
exocytosis
38. An enzyme from the pancreas that digests proteins in the small intestine
trypsin
estrogen
primary oocyte
excretion
39. The genetic makeup of an organism without regard to physical appearance
maltase
genotype
endemic
nondisjunction
40. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty
guard cell
biome
trilobite
duodenum
41. The part of the body of an animal that is between the neck or head and the abdomen
inner ear
thorax
nerve
osmoregulation
42. A marine biome; a region on the continental shelf that contains an ocean area with depths of up to 600 ft
mesoderm
blastula
deoxyribose
littoral zone
43. A plant that belongs to the class of seed plants in which the seeds are not enclosed in an ovary; includes the conifers
diploid
stamen
gymnosperm
corpus callosum
44. The enzyme released from the blood platelets in vertebrates during clotting
functional groups
pelagic zone
thrombokinase
substrate
45. The kind of bond formed when two amino acid units are jointed end to end
peptide
translocation
herbivore
autotroph
46. The final stages of protein synthesis in which the genetic code of nucleotide sequences is translated into a sequences of amino acids
thymine
humerus
translation
epiphyte
47. The liquid part of blood
mitosis
plasma
thryoxin
nucleotide
48. A stomach enzyme that partially digests proteins
peristalsis
pepsin
polyploidy
appendage
49. The inner part of the adrenal gland that secretes adrenalin
atrium
aortic arch
adrenal medulla
epithelium
50. Nonliving - as in the physical environment
vagus nerve
pupil
alimentary canal
abiotic
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