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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 behavioral or biological change that enables an organism to adjust to its environment
pupil
analogous
adaptation
pheromone
2. A pair of chromosome pairs present during the first metaphase of meiosis
pharynx
metaphase
tetrad
Rh factor
3. Any physical feature that prevents the ecological niches of different organisms from overlapping
geographical barrier
ethylene
parenchyma
gymnosperm
4. The largest artery; carries blood from the left ventricle
progesterone
guanine
circadian rhythms
aorta
5. A mitotic stage in which nuclei reform and nuclear membrane reappears
telophase
pinocytosis
geographical barrier
adrenaline (epinephrin)
6. Substance secreted by organisms that influences the behavior of other members of the same species
aqueous humor
meninges
pheromone
alveolus
7. A simple sugar
monosaccharide
pineal body
pairing
angiosperm
8. A bundle of nerve axons
integument
rickettsia
synapse
nerve
9. A pouched mammal - such as the kangaroo or opossum
parenchyma
primary oocyte
marsupial
inner ear
10. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male
stigma
mesoderm
photoperiodism
sex chromosome
11. Three membranes that envelop the brain and spinal cord (pia mater - dura mater and arachnoid)
cloaca
medulla oblongata
phylum
meninges
12. An organ that stores bile
gall bladder
style
fibrinogen
cytoplasm
13. One of the two strands that constitute a chromosome; chromatids are held together by the centromere
ganglion
chromatid
gametophyte
chromatin
14. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac
corpus callosum
synapse
nitrogen cycle
amnion
15. The pressure exerted by the contents of a cell against the cell membrane or cell wall
Annelida
turgor pressure
sporophyte
translocation
16. A resistance to disease developed through the immune system
translocation
immunity
allele
pheromone
17. A stalklike or elongated body part - usually pointed at one end
diploid
nephron
cerebral cortex
style
18. The thigh bone of vertebrates
steroid
Krebs cycle
femur
polar body
19. An accumulation of axons within the CNS that is white because it is fatty - myelin sheath
endoderm
coenzyme
white matter
binomial nomenclature
20. The outermost bone of the middle ear (hammer)
acetylcholine
goiter
malleus
imprinting
21. Functional urinary tubules responsible for excretion in the kidney of vertebrates
nephron
ingestion
myelin sheath
mitosis
22. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA
deoxyribose
central nervous system
lens
calorie
23. A 12-carbon sugar that is formed by the union of two glucose units (a disaccharide)
maltose
pons
allele
chromosome
24. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")
uterus
Calvin cycle
incomplete dominance
pyrimidine
25. The enzyme released from the blood platelets in vertebrates during clotting
fibrinogen
thrombokinase
nondisjunction
osmosis
26. The uppermost portion of pistil upon which pollen grains alight
tissue
pepsin
linkage
stigma
27. A group of populations that can interbreed
species
cone
functional groups
synaptic terminal
28. A tract of nerve fibers connecting the two cerebral hemispheres
Eustachian tube
ADH (vassopressin)
homozygous
corpus callosum
29. Pertains to a gene or characteristic that is masked when a dominant allele is present
recessive
mitochondria
species
monohybrid
30. A colloidal system involving the dispersion of a liquid within a liquid
emulsion
trypsin
seminiferous tubules
chromatid
31. An organic compound to which hydrogen and oxygen are attached; the hydrogen and oxygen are in a 2:1 ratio; examples include sugars - starches and cellulose
ingestion
fibrinogen
antigen
carbohydrate
32. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron
testes
synapse
bud
thymus
33. A protein compound containing iron that is found in red blood cells
chemotropism
rickettsia
Mendelian laws
hemoglobin
34. A plant growth hormone
plasma membrane
auxin
littoral zone
luteinizing hormone (LH)
35. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty
duodenum
carbon cycle
spore
gray matter
36. Movement of amoeba
pseudopod
lactid acid fermentation
deamination
ventral root
37. A fluid-filled sensory apparatus that aids balance and hearing
inner ear
thorax
sex linkage
dendrite
38. Describes an individual that has the same gene for the same trait on each homologous chromosome
homozygous
seminiferous tubules
pairing
sporophyte
39. A habitat zone - such as desert - grassland or tundra
biome
clotting
lysosome
cerebrum
40. An enzyme that acts upon maltose and converts it into glucose
organelle
maltase
chloroplast
cotyledon
41. One of the primary tissues of the embryo
deletion
host
malleus
germ layer
42. An organic cofactor required for enzyme activity
passive immunity
coenzyme
epidermis
transcription
43. The area of medulla that regulates the rate of breathing
respiratory center
blastula
hormone
parasitism
44. A section of the posterior forebrain associated with the pituitary gland
ADH (vassopressin)
plexus
chemosynthesis
hypothalamus
45. An organelle that regulates cell functions and contains the genetic material of the cell
adaptation
nucleus
digestion
auxin
46. The genetic makeup of an organism without regard to physical appearance
genotype
sex linkage
lipase
epicotyl
47. One or two or more types of genes - each representing a particular trait; many alleles exist for a specific gene locus
guanine
allele
chromatid
fertilization
48. The breeding of an organism with a homozygous recessive in order to determine whether an organism is homozygous dominant or heterozygous dominant for a given trait
ethanol fermentation
prothrombin
test cross
vestigial organ
49. The reproductive organ that produces sex cells
gonads
recessive
coenzyme
trilobite
50. An organism that must get its inorganic and organic raw materials from the environment; a consumer
anther
wood
phagocyte
heterotroph