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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 ability of certain animals to regrow missing body parts
white matter
regeneration
osmosis
cone
2. The process by which water and dissolved substances pass through a membrane
digestion
absorption
emulsion
chemosynthesis
3. Any physical feature that prevents the ecological niches of different organisms from overlapping
geographical barrier
cretinism
epidermis
dendrite
4. The ways in which organisms regulate their internal heat
thermoregulation
allele
germ cell
epithelium
5. A mass of cells that have similar structures and perform similar functions
vein
independent assortment
tissue
autosome
6. The exchange of parts of homologous chromosomes during meiosis
legume
ethylene
crossing over
independent assortment
7. The kind of bond formed when two amino acid units are jointed end to end
peptide
littoral zone
isotonic
thorax
8. The hindbrain region that controls equilibrium and muscular coordination
cerebellum
inner ear
endosperm
plankton
9. A period in the development of animals between the embryo and adult stages; starts at hatching and ends in metamorphasis
endocytosis
adrenaline (epinephrin)
differentation
larva
10. The pairing of homologous chromosomes during meiosis
ungulate
exocrine
synapsis
phagocyte
11. The outermost surface of an organism
cytoplasm
epidermis
diastole
adrenal medulla
12. 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
auxin
buffer
mesoderm
recessive
13. The part of the nervous system that regulates the involuntary muscles - such as the walls of the alimentary canal; includes the parasympathetic and sympathetic nervous systems
autonomic nervous system
cytochrome
coenzyme
epinephrine
14. A family tree depicting the inheritance of a particular genetic trait over several generations
parenchyma
pedigree
chyme
polyp
15. Encompasses the brain and the spinal cord
central nervous system
niche
budding
Arachnida
16. A flesh-eating animal; a holotrophic animal that subsists on other animals or parts of animals
maltose
ilium
carnivore
meristem
17. Usually referred to as ACTH and secreted by the anterior lobe of the pituitary gland; stimulates the adrenal cortex to produce its characteristic hormones
genus
epiphyte
adrenocorticotrophic hormone
gray matter
18. A multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm
hermaphrodite
nucleus
symbiosis
nerve net
19. A plant growth hormone
medulla oblongata
pelagic zone
auxin
legume
20. A 12-carbon sugar that is formed by the union of two glucose units (a disaccharide)
sympathetic
cretinism
maltose
monocotyledon
21. A tract of nerve fibers connecting the two cerebral hemispheres
guard cell
species
stroma
corpus callosum
22. A four-letter code made up of the DNA nitrogen bases A - T - G and C; each chromosome is made up of thousands of these bases
tetrad
genetic code
metabolism
antibiotic
23. xylem that is no longer being used
mutagenic agent
goiter
polymorphism
wood
24. The process by which carbohydrates are formed through chemical energy; found in bacteria
chemosynthesis
stoma
pelagic zone
atrium
25. An endocrine gland located in the neck that produces thyroxin
antigen
lysosome
electron transport chain
thyroid
26. Fluid excreted by the kidney containing urea - water - salts - etc
urine
NADP
herbivore
ethanol fermentation
27. A mall sex hormone (e.g. - testosterone)
pepsin
tetrad
pollen
androgen
28. The cavity in the mammalian ovary in which the egg ripens
Graffian follicle
parasympathetic
Arthropoda
cortex
29. An organism that is heterozygous for two different traits
dihybrid
circadian rhythms
purine
phylogeny
30. The cellular layer that covers external and internal surfaces
luteinizing hormone (LH)
cleavage
alimentary canal
epithelium
31. An organism that requires oxygen for respiration and can live only in the presence of oxygen
tundra
exocytosis
ventral root
aerobe
32. A hormone that stimulates plant stem elongation
gibberellin
peptide
diencephalon
allantois
33. A network of membrane-enclosed spaces connected with the nuclear membrane; transports materials through the cell; can be soft or rough
phenotype
estrogen
disaccharide
endoplasmic reticulum
34. A plant that belongs to the class of seed plants in which the seeds are not enclosed in an ovary; includes the conifers
gymnosperm
seminiferous tubules
polyp
circadian rhythms
35. A hormone that regulates water reabsorption
epididymis
calorie
ADH (vassopressin)
buffer
36. The division in animal cell cytoplasm caused by the pinching in of the cell membrane
digestion
Calvin cycle
myelin sheath
cleavage
37. Describes an individual that possesses two contrasting alleles for a given trait
heterozygous
pairing
epididymis
lichen
38. The posterior part of the brain that controls the rate of breathing and other autonomic functions
medulla oblongata
stomach
dominance
chyme
39. In taxonomy - a classification between species and family
vagus nerve
heterotroph
synaptic terminal
genus
40. Waves of contraction and relaxation passing along a tubular structure - such as the digestive tube
morula
peristalsis
imprinting
RNA
41. Occurs when a segment of genetic material on a chromosome becomes reversed
bile salts
genetic drift
inversion
lysosome
42. Genetic blending; each allele exerts some influence on the phenotype
vestigial organ
incomplete dominance
polymer
parthenogenesis
43. Any organism that is the victim of a parasite
amnion
cleavage
centriole
host
44. Passively floating or drifting flora and fauna of a body of water; consists mainly of microscopic organisms
chitin
genetic drift
anaerobe
plankton
45. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin
gene
geotropism
spindle
endemic
46. A tube connecting the ovaries and the uterus
epithelium
buffer
oviduct
sensory neuron
47. The basal branch of each spinal nerve; carries motor neurons
Rh factor
ventral root
permeability
nerve net
48. The enzyme released from the blood platelets in vertebrates during clotting
epiglottis
Arthropoda
vagus nerve
thrombokinase
49. The final stages of protein synthesis in which the genetic code of nucleotide sequences is translated into a sequences of amino acids
pyloric valve
taxonomy
meristem
translation
50. A transmitter substance released from the axons of nerve cells at the synapse
Krebs cycle
cephalic
acetylcholine
sympathetic