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Test your basic knowledge |
SAT Subject Test: Biology
Start Test
Study First
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. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence
gall bladder
trilobite
niche
micron (micrometer)
2. Substance secreted by organisms that influences the behavior of other members of the same species
morula
pheromone
haploid
thoracic duct
3. A mucus-secreting membrane
gill slit
atrium
alveolus
mucosa
4. The separation of homologous pairs of chromosomes following meiotic synapsis
disjunction
commensal
mitochondria
stoma
5. A colloidal system involving the dispersion of a liquid within a liquid
emulsion
isotonic
prokaryote
gene frequency
6. A process by which the vesicle in the cell fuses with the cell membrane and releases its contents to the outside
exocytosis
yolk sac
epiphyte
myelin sheath
7. A 12-carbon sugar that is formed by the union of two glucose units (a disaccharide)
heterotroph
Golgi apparatus
seminiferous tubules
maltose
8. Occurs when a segment of genetic material on a chromosome becomes reversed
point mutation
vitamin
nerve cord
inversion
9. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles
phylogeny
adrenaline (epinephrin)
antibody
smooth muscle
10. A hormone of the thyroid that regulates basal metabolism
thryoxin
Annelida
aerobe
plankton
11. The tenth cranial nerve that innervates digestive organs - heart and other areas
RNA
tundra
antibiotic
vagus nerve
12. xylem that is no longer being used
chromatin
wood
binomial nomenclature
uterus
13. A carbohydrate that is composed of many monosaccharide units joined together
plasma
monohybrid
endemic
polysaccharide
14. A kind of white blood cell in vertebrates that is characterized by a rounded nucleus; involved in the immune response
thymus
lacteal
gall bladder
lymphocyte
15. The phylum of sponges
morula
Porifera
producer
coelom
16. Pertaining to a subdivision of the autonomic nervous system
spindle
telophase
sympathetic
guard cell
17. A pyrimidine component of nucleic acids and nucleotides; pairs with adenine in DNA
endocrine gland
rhodopsin
alveolus
thymine
18. A mature ovary
endocytosis
notochord
fruit
metabolism
19. A behavioral or biological change that enables an organism to adjust to its environment
diffusion
vagus nerve
adaptation
prophase
20. The thin - bent part of the renal tubule that is the site of the counter-current flow and the sodium gradient
acetylcholine
electron transport chain
gall bladder
Loop of Henle
21. An organ centrally involved in the human digestive system
olfactory
embolus
alimentary canal
thoracic duct
22. A period in the development of animals between the embryo and adult stages; starts at hatching and ends in metamorphasis
femur
larva
blastula
Annelida
23. Pertaining to a restricted locality; ecologically - occurring only in one particular region
luteinizing hormone (LH)
endemic
femur
autonomic nervous system
24. A protein compound containing iron that is found in red blood cells
littoral zone
adrenaline (epinephrin)
hemoglobin
cerebral hemisphere
25. A class of arthropods that includes scorpions - spiders - mites and ticks
Arachnida
cleavage
Protista
humerus
26. An animal phylum in which all members have a notochord - dorsal nerve cord and pharyngeal gill slits at some embryonic stage; includes the Cephalochordata and the Vertebrates
rhizome
eye
Chordata
blastula
27. The genetic makeup of an organism without regard to physical appearance
anaerobic
plexus
diploid
genotype
28. The biome located between the polar region and the tiaga
isomer
ecological succession
seminal fluid
tundra
29. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions
FSH
homologous
cornea
aqueous humor
30. The veins that carry blood from the digestive organs to the liver
glomerulus
cerebellum
Graffian follicle
hepatic portal system
31. An organism that does not require free oxygen in order to respire
anaerobe
frame shift mutation
Mendelian laws
physiology
32. A pair of chromosome pairs present during the first metaphase of meiosis
tetrad
cretinism
mutation
malleus
33. A flexible - supportive rod running longitudinally through the dorsum ventral to the nerve cord; found in lower chordates and in the embryos of vertebrates
notochord
epididymis
flagellum
primary spermatocyte
34. A group of populations that can interbreed
epithelium
species
sympathetic
exocrine
35. A network or mesh of fibrils - fibers or filaments
lysosome
nephron
carapace
reticulum
36. A hormonal secretion of the adrenal cortex
epithelium
buffer
hormone
cortisone
37. Small - disc-shaped bodies in the blood that play a chief role in coagulation
platelet
cytokinesis
host
littoral zone
38. A duct through which the urine passes from the bladder to the outside
vagus nerve
phylum
gibberellin
urethra
39. The study of the evolutionary descent and interrelations of groups of organisms
ventral root
dimorphism
phylogeny
haploid
40. The evaporation of water from leaves or other exposed surfaces of plants
transpiration
spiracle
taxonomy
circadian rhythms
41. An organic cofactor required for enzyme activity
nerve
coenzyme
diastole
medusa
42. Plant growth stimulated by light (stem: + - towards light; root: - - away from light)
phototropism
small intestine
tundra
maltose
43. The ways in which organisms regulate their supply of water
allele
smooth muscle
osmoregulation
polymer
44. The part of the hindbrain located in the brain stem
pons
cuticle
stomach
progesterone
45. The portion of alimentary canal connecting the pharynx and the stomach
vitamin
esophagus
pharynx
metabolism
46. Living - as in living organisms in the environment
amnion
acetylcholine
biotic
nondisjunction
47. Any chromosome that is not a sex chromosome
fibrin
autosome
humerus
ventral root
48. A process of asexual reproduction in which the offspring develop from an outgrowth of the plant or animal
budding
interstitial cells
clotting
fibrin
49. A symbiotic relationship from which both organisms involved derive some benefit
vagus nerve
coelom
mutualism
iris
50. The organelle that provides mechanical support and carries out motility functions for the cell
Arachnida
cytoskeleton
endemic
enzyme