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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 cellular layer that covers external and internal surfaces
saprophyte
primary spermatocyte
epithelium
cytochrome
2. A jellyfish
larva
medusa
aldosterone
guard cell
3. An abbreviation of nicotinamide-adenine-dinucleotide-phosphate - also called TPN; an organic compound that serves as an oxidation-reduction molecule
morphology
NADP
buffer
umbilicus
4. A flowering plant with simple dry fruit - characterized by nodes on their roots that contain nitrogen-fixing bacteria
integument
legume
hyperthyroidism
ilium
5. The system of naming an organism by its genus and species name
exoskeleton
phylogeny
binomial nomenclature
protein
6. A habitat zone - such as desert - grassland or tundra
biome
diastole
pyrimidine
trachea
7. The process by which water and dissolved substances pass through a membrane
absorption
vein
smooth muscle
reticulum
8. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male
sex chromosome
fibrinogen
parenchyma
consumer
9. Asexual reproduction; in this process - the parent organism splits into two equal daughter cells
stomach
vagus nerve
binary fission
bacteriophage
10. An organism that obtains its nutrients from dead organisms
clotting
saprophyte
producer
cambium
11. A tract of nerve fibers connecting the two cerebral hemispheres
corpus callosum
epithelium
gene
deamination
12. A wall composed of cellulose that is external to the cell membrane in plants; it is primarily involved in support and in the maintenance of proper internal pressure
myelin sheath
digestion
pleural cavity
cell wall
13. A specialized structure that controls osmotic pressure by removing water from the cell
contractile vacuole
peristalsis
pheromone
pyloric valve
14. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence
pheromone
Loop of Henle
zygote
niche
15. Living - as in living organisms in the environment
biotic
nucleotide
gastrula
alveolus
16. A vacuole in the cytoplasm in which digestion takes place (in protozoans)
bud
sucrase
oviduct
food vacuole
17. A mutation involving the addition or loss of nucleotides
frame shift mutation
trilobite
sex chromosome
ethylene
18. Describes cells that have a double set of chromosomes in homologous pairs (2n)
Protista
digestion
substrate
diploid
19. 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
malleus
test cross
sensory neuron
ungulate
20. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development
flagellum
isolation
gill slit
deamination
21. The dorsal part of the hip girdle
pith
organelle
ilium
chyme
22. A process of photosynthesis in which water is split into H+ and OH-; the hydrogen ion is then joined to NADP
photolysis
pituitary
pith
placenta
23. Occurs when different traits are inherited together more often than they would have been by chance along; it is assumed that these traits are linked on the same chromosome
epicotyl
pistil
Eustachian tube
linkage
24. One-thousandth of a millimeter; a unit of microscopic length
anaerobe
micron (micrometer)
lactase
thermoregulation
25. One or two or more types of genes - each representing a particular trait; many alleles exist for a specific gene locus
allele
fermentation
chemosynthesis
fitness
26. A group of life-maintaining processes that includes nutrition - respiration (the production of usable energy) and the synthesis and degradation of biochemical substances
metabolism
ungulate
Coelentrata
fermentation
27. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
chemosynthesis
pyrimidine
maltose
contractile vacuole
28. Encompasses the brain and the spinal cord
central nervous system
adrenal medulla
buffer
transcription
29. A female sex hormone secreted by the follicle
aldosterone
somatic cell
circadian rhythms
estrogen
30. 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
thryoxin
luteinizing hormone (LH)
oviduct
duodenum
31. The area of medulla that regulates the rate of breathing
thorax
respiratory center
diastole
cross-pollination
32. Refers to protective covering
notochord
integument
cerebral cortex
heterotroph
33. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")
Calvin cycle
sympathetic
gametophyte
passive immunity
34. Any chromosome that is not a sex chromosome
autosome
epithelium
chorion
maltase
35. All the members of a given species inhabiting a certain locale
pathogen
deamination
population
amnion
36. A progressive change from which a permanently more mature or advanced state results
differentation
pollination
peptide
haploid
37. The part of the hindbrain located in the brain stem
passive immunity
carbohydrate
pons
marsupial
38. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea
pineal body
polyp
interstitial cells
pupil
39. The large intestine
appendage
polyp
colon
macula
40. A section of the posterior forebrain associated with the pituitary gland
hypothalamus
phylogeny
thoracic duct
androgen
41. A structure of the eye that focuses images on the retina by changing its convexity
lens
peripheral nervous system
pollen
excretion
42. Nonliving - as in the physical environment
abiotic
gamete
exocrine
nondisjunction
43. A mature ovary
homeotherm
fruit
gray matter
esophagus
44. A short - stubby rod consisting of chromatin that is found in the nucleus of the cells; contains the genetic or hereditary component of cells (in the form of genes)
haploid
sinus
chromosome
aldosterone
45. Chemical groups attached to carbon skeletons that give compounds their functionality
functional groups
cambium
root hair
medulla oblongata
46. A carbohydrate that is composed of many monosaccharide units joined together
Graffian follicle
integument
thoracic duct
polysaccharide
47. The passive - rhythmical expansion or dilation of the cavities of the heart (atria or ventricles) that allows these organs to fill with blood; preceded and followed by systole (contraction)
aorta
diastole
parasitism
heterotroph
48. Occurs when certain traits are determined by genes on sex chromosomes
testes
sex linkage
levels of structure
hypotonic
49. A mass of cells that have similar structures and perform similar functions
meristem
respiration
lymph capillary
tissue
50. The process by which environmental patterns or objects presented to a developing organism during a "critical period" of its growth is accepted as a permanent element of its behavior
pelagic zone
chemosynthesis
pistil
imprinting