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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. A ductless gland in upper chest region concerned with immunity and the maturation of lymphocytes
nitrogen cycle
thymus
epididymis
NAD
2. A grouping of neuron cell bodies that acts as a coordinating center
malleus
endosperm
permeability
ganglion
3. The separation of homologous pairs of chromosomes following meiotic synapsis
alternation of generations
disjunction
bile salts
acetylcholine
4. The enzyme that acts upon lactose
carapace
lactase
mutagenic agent
fitness
5. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)
carapace
pollen
myelin sheath
Arthropoda
6. 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
pyrimidine
nerve
pepsin
hormone
7. The living together of two organisms in an intimate relationship
population
polymer
symbiosis
autosome
8. The hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium
plasma membrane
FSH
lactid acid fermentation
progesterone
9. A hormone that ripens fruit and induces aging
thryoxin
lens
corpus luteum
ethylene
10. A symbiotic relationship from which both organisms involved derive some benefit
capillary
mutualism
progesterone
cotyledon
11. A group of populations that can interbreed
species
pollen
thoracic duct
ecology
12. A tract of nerve fibers connecting the two cerebral hemispheres
corpus callosum
aldosterone
deletion
chromatid
13. A change from a diploid nucleus to a haploid nucleus - as in meiosis
adenosine phosphate
buffer
reduction
NADP
14. An organism that must get its inorganic and organic raw materials from the environment; a consumer
aerobe
heterotroph
assortative mating
placenta
15. The creation of certain strains of specific traits through control of breeding
selective breeding
ADH (vassopressin)
neuron
amnion
16. A structure of the eye that focuses images on the retina by changing its convexity
lens
diploid
Krebs cycle
gylcolysis
17. A network of capillaries in the Bowman's capsules of the kidney
diencephalon
glomerulus
hypocoytl
deletion
18. The evaporation of water from leaves or other exposed surfaces of plants
transpiration
olfactory
aortic arch
electron transport chain
19. A tube one cell thick that carries blood from artery to vein; the site of material exchange between the blood and tissues of the body
capillary
pulmonary
phylogeny
polar body
20. All the members of a given species inhabiting a certain locale
aortic arch
population
adrenal medulla
ptyalin
21. A cell in the retina that is sensitive to weak light
test cross
rod
adaptive radiation
yolk sac
22. Describes an individual that has the same gene for the same trait on each homologous chromosome
spiracle
lymph capillary
pathogen
homozygous
23. The passive - rhythmical expansion or dilation of the cavities of the heart (atria or ventricles) that allows these organs to fill with blood; preceded and followed by systole (contraction)
tundra
antibody
rhodopsin
diastole
24. One of the paired lateral divisions of the forebrain
phloem
cerebral hemisphere
lysosome
placenta
25. Organism that produces its own food; first stage in the food chain
cytokinesis
F1
producer
pith
26. The system of naming an organism by its genus and species name
malleus
gibberellin
artery
binomial nomenclature
27. An antipathogenic substance (e.g. - penicillin)
estrogen
chyme
antibiotic
villus
28. Bacteria that are rod shaped
bacillus
mesoderm
adrenocorticotrophic hormone
goiter
29. Passively floating or drifting flora and fauna of a body of water; consists mainly of microscopic organisms
plasmodium
binomial nomenclature
meristem
plankton
30. Three membranes that envelop the brain and spinal cord (pia mater - dura mater and arachnoid)
chlorophyll
meninges
exocrine
binomial nomenclature
31. An endocrine gland located in the neck that produces thyroxin
thyroid
hybrid
acetylcholine
differentation
32. One of a pair of kidney-shaped cells that surround a stomate and regulate the size of the stomate in a leaf
guard cell
lactid acid fermentation
hemoglobin
spermatogenesis
33. Substance secreted by organisms that influences the behavior of other members of the same species
pheromone
translation
Mendelian laws
sucrase
34. An organ that stores urine temporarily before it is excreted
heterotroph
plexus
zygote
urinary bladder
35. A network - particularly of nerve or blood vessels
incomplete dominance
interstitial cells
insulin
plexus
36. The thigh bone of vertebrates
femur
hypertonic
cell wall plate
chromatin
37. Daily cycles of behavior
circadian rhythms
phenotype
autosome
hypothalamus
38. An emulsifying agent secreted by the liver
antigen
nucleus
bile
species
39. A marine biome typical of the open seas
adrenaline (epinephrin)
cretinism
pelagic zone
guard cell
40. The enzyme released from the blood platelets in vertebrates during clotting
Calvin cycle
exocrine
thrombokinase
reduction
41. Cytoplasmic bodies within a plant cell that are often pigmented
plastid
heterotroph
ectoderm
chromosome
42. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine
bile salts
uracil
mitochondria
digestion
43. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system
malpighian tubules
cone
sphincter
lymph capillary
44. Secreted by the anterior pituitary gland - this hormone stimulates the conversion of a follicle into the corpus luteum and the secretion of progesterone by the corpus luteum
pepsin
luteinizing hormone (LH)
meristem
chitin
45. The large intestine
colon
ingestion
hypocoytl
platelet
46. An association between an algae and a fungus that is symbiotic and mutualistic in nature
lichen
plexus
carnivore
metamorphosis
47. Small - disc-shaped bodies in the blood that play a chief role in coagulation
chlorophyll
ganglion
platelet
exoskeleton
48. A motile - multinucleate mass of protoplasm resulting from fusion of uninuclear amoeboid cells
passive immunity
small intestine
plasmodium
regeneration
49. Describes a fluid that has a lower osmotic pressure than a fluid it is compared to
buffer
glomerulus
hypotonic
somatic cell
50. A compact linear organization of nerve tissues with ganglia in the CNS
nerve cord
tetrad
gonads
cyton