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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 unit of heat; the amount of heat required to raise the temperature of one gram of water by one degree centigrade
polar body
tetrad
anaphase
calorie
2. Asexual reproduction; in this process - the parent organism splits into two equal daughter cells
androgen
cloaca
binary fission
genetic code
3. A mucus-secreting membrane
pelagic zone
mucosa
plasma membrane
gamete
4. A behavioral or biological change that enables an organism to adjust to its environment
phenotype
autosome
adaptation
monohybrid
5. Fluid-filled structures in the inner ear that are associated with the sense of balance
chlorophyll
semicircular canals
mutualism
micron (micrometer)
6. The extraembyonic membrane of birds - reptiles and mammals that serves as an area of gaseous exchange and as a site for the storage of noxious excretion products
alimentary canal
bacillus
nephron
allantois
7. The sac in the ovary in which the egg develops
fibrinogen
follicle
erythrocyte
medulla oblongata
8. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)
pyloric valve
contractile vacuole
host
nictitating membrane
9. A ductless gland in upper chest region concerned with immunity and the maturation of lymphocytes
vein
cell wall
cochlea
thymus
10. An emulsifying agent secreted by the liver
integument
bile
carbon cycle
seminiferous tubules
11. The process of breaking down large organic molecules into smaller ones
consumer
digestion
estrogen
organelle
12. An organ that is not functional in an organism - but was functional at some period in its evolution
vestigial organ
amnion
bile salts
endosperm
13. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin
wood
aqueous humor
pineal body
androgen
14. Small - disc-shaped bodies in the blood that play a chief role in coagulation
Calvin cycle
medusa
lichen
platelet
15. Involuntary muscle
epithelium
fibrinogen
smooth muscle
ungulate
16. The kind of bond formed when two amino acid units are jointed end to end
peptide
pyrimidine
dimorphism
malleus
17. Organism that produces its own food; first stage in the food chain
epidermis
producer
systole
hypocoytl
18. All the members of a given species inhabiting a certain locale
population
chloroplast
ptyalin
linkage
19. Movement of amoeba
pseudopod
ecological succession
atrium
autolysis
20. Pertaining to a type of gland that releases its secretion through a duct
biome
endoderm
exocrine
stigma
21. The type of mating that occurs when an organism selects a mating partner that resembles itself
myelin sheath
photoperiodism
urinary bladder
assortative mating
22. The outer - transparent layer of the eye
cornea
host
gamete
atrium
23. A ductless gland that secretes hormones directly into the bloodstream
maltose
duodenum
endocrine gland
cephalic
24. An embryonic structure that gives rise to the central nervous system
dendrite
heterotroph
neural tube
heterozygous
25. The outer layer of cerebral hemispheres in the forebrain - consisting of gray matter
cerebral cortex
F2
plasma
sucrase
26. Pertaining to the head
cephalic
trachea
hydrostatic skeleton
ADH (vassopressin)
27. A membrane that envelopes the nucleus and separates it from the cytoplasm; present in eukaryotes
plastid
wood
nuclear membrane
mitochondria
28. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions
phylum
nucleotide
clotting
artery
29. The primary germ layer - developed from the lip of the blastopore - that gives rise to the skeleton - the circulatory system and many organs and tissues between the epidermis and the epithelium
Mendelian laws
mesoderm
autotroph
Annelida
30. A carbohydrate that is composed of many monosaccharide units joined together
polysaccharide
maltase
guanine
spermatogenesis
31. The largest artery; carries blood from the left ventricle
lymph capillary
phylum
hemoglobin
aorta
32. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers
peripheral nervous system
taiga
xylem
lens
33. The law by which genes on different chromosomes are inherited independently of each other
independent assortment
recombinant DNA technology
biotic
sex linkage
34. A process of asexual reproduction in which the offspring develop from an outgrowth of the plant or animal
budding
plexus
parathyroid
peripheral nervous system
35. Describes structures that have similar function but different evolutionary origins; e.g. - a bird's wing and a moth's wing
analogous
adrenocorticotrophic hormone
morula
species
36. An organ centrally involved in the human digestive system
capillary
alimentary canal
blastula
transcription
37. Describes organisms that are cooperative in action - such as hormones or other growth factors that reinforce each other's activity
test cross
sucrase
synergistic
vein
38. A lymph tubule located in the villus that absorbs fatty acids
pleural cavity
lacteal
gylcolysis
anaerobe
39. Protein threads that form in the blood during clotting
cerebral cortex
reduction
fibrin
nuclear membrane
40. An anucleate red blood cell that contains hemoglobin
ecological succession
parathyroid
erythrocyte
eukaryote
41. A waxy protective layer secreted by the outer surface of plants - insects - etcetera
isolation
vagus nerve
cuticle
feedback mechanism
42. An underground stem
meristem
chyme
cytosine
rhizome
43. A plant that has a single cotyledon or seed-leaf
NADP
imprinting
monocotyledon
cortex
44. The ways in which organisms regulate their internal heat
duodenum
point mutation
diploid
thermoregulation
45. Usually referred to as ACTH and secreted by the anterior lobe of the pituitary gland; stimulates the adrenal cortex to produce its characteristic hormones
calorie
adrenocorticotrophic hormone
deamination
hermaphrodite
46. The recycling of nitrogen from decaying organism for use in future generations
nitrogen cycle
circadian rhythms
vestigial organ
iris
47. A type of nuclear division that is characterized by complex chromosomal movement and the exact duplication of chromosomes; occurs in somatic cells
isotonic
mitosis
pseudopod
corpus luteum
48. An association of homologous chromosomes during the first meiotic division
differentation
fermentation
pairing
marsupial
49. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti
oogenesis
endoderm
cochlea
tetrad
50. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles
medulla
adrenaline (epinephrin)
vitamin
anther