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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 foreign protein that stimulates the production of antibodies when introduced into the body of an organism
antigen
reduction
carnivore
trypsin
2. Compounds in bile that aid in emulsification
vagus nerve
bile salts
urinary bladder
interstitial cells
3. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added
buffer
follicle
dorsal root
peptide
4. An organic nutrient required by organisms in small amounts to aid in proper metabolic processes
vitamin
hypertonic
thorax
dihybrid
5. An invertebrate animal phylum in which animals possess a single alimentary opening and tentacles with stinging cells
buffer
medulla
Coelentrata
transpiration
6. The conversion of digested foods and other materials into forms usable by the body (i.e. - the conversion of amino acids into proteins)
pleural cavity
pollen
assimilation
nucleolus
7. The exchange of parts of homologous chromosomes during meiosis
clotting
anaphase
crossing over
immunity
8. A hormone that stimulates plant stem elongation
antigen
polymorphism
germ layer
gibberellin
9. A green pigment that performs essential functions as an electron donor and light "entrapper" in photosynthesis
morphology
chlorophyll
pairing
mesoderm
10. A specialized structure that carries out particular functions for eukaryotic cells
organelle
carbohydrate
femur
malleus
11. A cell that divides to form two secondary spermatocytes
prothrombin
primary spermatocyte
amnion
stamen
12. A white or colorless - amorphous - horny substance that forms part of the outer integument of insects - crustaceans and some other invertebrates; it also occurs in certain fungi
cell wall
smooth muscle
uracil
chitin
13. The law by which genes on different chromosomes are inherited independently of each other
physiology
crossing over
lymph capillary
independent assortment
14. A sensory hair structure in the utriculus and the sacculus of the inner ear; orients the head with respect to gravity
Eustachian tube
hormone
aerobe
macula
15. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)
cerebrum
capillary
budding
nictitating membrane
16. One of the two strands that constitute a chromosome; chromatids are held together by the centromere
chromatid
pharynx
epiglottis
urea
17. A symbiotic relationship from which both organisms involved derive some benefit
mutualism
ventral root
plasma membrane
Krebs cycle
18. A simple sugar
monosaccharide
heterotroph
gill slit
thrombokinase
19. A transmitter substance released from the axons of nerve cells at the synapse
hypothalamus
test cross
acetylcholine
cell wall
20. The transformation of an immature animal into an adult; a change in the form of an organ or structure
metamorphosis
phenotype
recessive
imprinting
21. The fluid that remains after fibrinogen is removed from the blood plasma of vertebrates
centromere
synergistic
deamination
serum
22. One of a group of compounds that is identical in a atomic composition - but different in structure and arrangement
adrenal cortex
isomer
oogenesis
spiracle
23. The orientation of cells or organisms in relation to chemical stimuli; the growth or movement response of organisms to chemical stimuli
chemotropism
carbon cycle
pyrimidine
epicotyl
24. A ductless gland that secretes hormones directly into the bloodstream
deletion
parthenogenesis
endocrine gland
chyme
25. A plastid containing chlorophyll
steroid
cytochrome
chloroplast
cerebral cortex
26. A group of life-maintaining processes that includes nutrition - respiration (the production of usable energy) and the synthesis and degradation of biochemical substances
pathogen
thyroid
polyp
metabolism
27. Undifferentiated tissue in the stem of a plant that aids growth in width
cambium
neural tube
exocytosis
sporophyte
28. Passively floating or drifting flora and fauna of a body of water; consists mainly of microscopic organisms
diastole
Chordata
plankton
metaphase
29. Organism that consumes food from outside itself instead of producing it
consumer
Mendelian laws
vagus nerve
bacillus
30. Anaerobic respiration the yields 2 molecules of ATP - lactic acid - ethyl alcohol and carbon dioxide or some similar compound via the glycolytic pathway
conditioning
fermentation
diastole
self-pollination
31. A starch form in animals; glucose is converted to this in the liver
macula
Eustachian tube
glycogen
pith
32. The solid ball of cells the results from cleavage of an egg; a solid blastula that precedes the blastula stage
disjunction
morula
trilobite
polymorphism
33. The first filial generation (first offspring)
immunity
disaccharide
retina
F1
34. The class of free-living flatworms
egg
planaria
nitrogen cycle
pelagic zone
35. 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
planaria
plastid
bacillus
mesoderm
36. The process by which carbohydrates are formed through chemical energy; found in bacteria
consumer
chemosynthesis
epicotyl
phenotype
37. A pyrimidine component of nucleic acids and nucleotides; pairs with adenine in DNA
Krebs cycle
thymine
cell wall
meninges
38. A waxy protective layer secreted by the outer surface of plants - insects - etcetera
adrenal medulla
budding
cuticle
synapsis
39. A fatty sheath surrounding the axon of a neuron that aids in stimulus transmission; it is secreted by the Schwann cells
biome
small intestine
myelin sheath
cotyledon
40. The portion of the embryonic seed plant below the point of attachment of the coytledon; form the root
prophase
clotting
hypocoytl
fibrin
41. A stage of mitosis; chromosomes line up at the equator of the cell
gymnosperm
cerebellum
Porifera
metaphase
42. The liquid part of blood
ethanol fermentation
gill slit
peptide
plasma
43. The contraction of the atria or ventricles of the heart
fruit
ecological succession
mutualism
systole
44. A family tree depicting the inheritance of a particular genetic trait over several generations
synergistic
bile
pedigree
NAD
45. Involuntary muscle
medusa
root hair
smooth muscle
nondisjunction
46. The study of the evolutionary descent and interrelations of groups of organisms
ventral root
phylogeny
pleural cavity
binary fission
47. The sensory branch of each spinal nerve
dorsal root
F1
hypotonic
rickettsia
48. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles
nuclear membrane
medulla
endemic
adrenaline (epinephrin)
49. A muscular valve regulating the flow of food from the stomach to the small intestine
ganglion
pyloric valve
spiracle
fermentation
50. The part of the male reproductive organ (the stamen) that produces and stores pollen
dendrite
gamete
anther
hemoglobin