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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 kind of bond formed when two amino acid units are jointed end to end
macula
micron (micrometer)
peptide
duodenum
2. A hormone that regulates water reabsorption
parasympathetic
lipid
ADH (vassopressin)
adaptation
3. The small granular body within the centrosome to which the spindle fibers attach
egg
active immunity
centriole
trachea
4. The process of forming the sperm cells from primary spermatocytes
transpiration
phylum
spermatogenesis
hormone
5. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions
guanine
asexual reproduction
uterus
homologous
6. The vascular tissue of a plant that transports organic materials (photosynthetic products) from the leaves to other parts of the plant
phloem
chemosynthesis
cell wall plate
polyploidy
7. A ring-shaped muscle that is capable of closing a tubular opening by constriction
phylogeny
pistil
sphincter
dihybrid
8. In mitosis of higher plants - the structure that forms between the divided nuclei of the two daughter cells and eventually becomes the cell wall
F1
marsupial
pons
cell wall plate
9. A flexible - supportive rod running longitudinally through the dorsum ventral to the nerve cord; found in lower chordates and in the embryos of vertebrates
cytokinesis
sex linkage
Chordata
notochord
10. Random evolutionary changes in the genetic makeup of a population
allele
cloaca
genetic drift
plasmodium
11. Organism that produces its own food; first stage in the food chain
producer
alveolus
epinephrine
hypotonic
12. A lymph tubule located in the villus that absorbs fatty acids
species
taiga
centrosome
lacteal
13. The site of most digestion of nutrients and absorption of digested nutrients
species
small intestine
somatic cell
atrium
14. Nonfunctional haploid cells created during meiosis in females; they have very little cytoplasm-most has gone into the functional egg cell
alveolus
endocrine gland
dimorphism
polar body
15. An ion with a positive charge - or an ion that migrates towards the cathode (negative electrode) in an electric field
NADP
cation
pheromone
plasma membrane
16. The loss of all or part of a chromosome
thymus
pineal body
deletion
chitin
17. An air duct from the middle ear to the throat that equalizes external and internal air pressure
fertilization
sympathetic
macula
Eustachian tube
18. The sac in the ovary in which the egg develops
cleavage
ventral root
fibrin
follicle
19. The liquid part of blood
plasma
pineal body
prokaryote
cerebral hemisphere
20. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)
nictitating membrane
nucleolus
epiglottis
chemosynthesis
21. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine
meristem
uracil
flagellum
axon
22. The evaporation of water from leaves or other exposed surfaces of plants
phagocyte
transpiration
alveolus
rickettsia
23. A nerve fiber
cambium
littoral zone
exocrine
axon
24. The division in animal cell cytoplasm caused by the pinching in of the cell membrane
carbohydrate
polymer
cleavage
villus
25. The outermost bone of the middle ear (hammer)
ingestion
lymph capillary
thalamus
malleus
26. A substance that is acted upon by an enzyme
substrate
centromere
protein
cambium
27. Involuntary muscle
pituitary
sinus
Protista
smooth muscle
28. An enlargement of the thyroid gland due to lack of iodine
binary fission
goiter
assortative mating
pistil
29. Tubules that excrete metabolic wastes into the hindgut in arthropods
test cross
metabolism
zygote
malpighian tubules
30. The transfer of a piece of chromosome to another chromosome
point mutation
cross-pollination
vestigial organ
translocation
31. A marine arthropod - now extinct - that lived during the Paleozoic era
niche
Mendelian laws
mutualism
trilobite
32. An antipathogenic substance (e.g. - penicillin)
polymorphism
antibiotic
producer
insulin
33. 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
Calvin cycle
mucosa
meninges
allantois
34. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")
nuclear membrane
Krebs cycle
Calvin cycle
corpus luteum
35. The intake of fluid droplets into a cell
genetic drift
pinocytosis
dendrite
cytoskeleton
36. A sensory hair structure in the utriculus and the sacculus of the inner ear; orients the head with respect to gravity
pairing
autotroph
macula
gene frequency
37. Pertaining to a subdivision of the autonomic nervous system of vertebrates
artery
parasitism
parasympathetic
peptide
38. The failure of some homologous pairs of chromosomes to separate following meiotic synapsis
urea
excretion
vein
nondisjunction
39. An anucleate red blood cell that contains hemoglobin
granum
fitness
erythrocyte
sucrase
40. A compact linear organization of nerve tissues with ganglia in the CNS
epididymis
NADP
cerebrum
nerve cord
41. The portion of alimentary canal connecting the pharynx and the stomach
sphincter
chromatin
esophagus
neuron
42. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase
Protista
axon
reticulum
sporophyte
43. A small projection in the walls of the small intestine that increases the surface area available for absorption
fruit
lymphocyte
villus
flagellum
44. The enzyme that acts upon lactose
chemosynthesis
trypsin
ventricle
lactase
45. A space in the cytoplasm of a cell that contains fluid
legume
urine
trilobite
vacuole
46. The state in which two genetic traits are fully expressed and neither dominates
cerebrum
alimentary canal
codominant
biotic
47. Describes an individual that possesses two contrasting alleles for a given trait
stamen
heterozygous
phototropism
contractile vacuole
48. A change from a diploid nucleus to a haploid nucleus - as in meiosis
synapse
eye
reduction
meristem
49. An air-conducting tube
gene frequency
disjunction
ilium
trachea
50. A muscular valve regulating the flow of food from the stomach to the small intestine
pyloric valve
chromatin
plasma
placenta