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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 disease-causing organism
glycogen
pathogen
disjunction
follicle
2. A structure in animal cells containing centrioles from which the spindle fibers develop
centrosome
binary fission
carbohydrate
pairing
3. Vascular tissue of the plant that aids in support and carries water
ventral root
gill slit
dendrite
xylem
4. A hormonal secretion of the adrenal cortex
yolk sac
corpus callosum
autolysis
cortisone
5. A nerve cell
nerve
corpus luteum
neuron
heterozygous
6. The exchange of parts of homologous chromosomes during meiosis
crossing over
point mutation
codominant
transpiration
7. A sugar composed of two combined monosaccharides
pedigree
disaccharide
crossing over
erythrocyte
8. A structure formed by the wall of the uterus and the chorion of the embryo; serves as the area in which the embryo obtains nutrition from the parent
placenta
embolus
phototropism
antibody
9. A mucus-secreting membrane
villus
mucosa
synergistic
vestigial organ
10. 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)
esophagus
chromosome
Rh factor
contractile vacuole
11. The colored part of the eye that is capable of contracting and regulating the size of the pupils
trypsin
homeotherm
consumer
iris
12. A plant that has a single cotyledon or seed-leaf
oxidation
hypocoytl
hypotonic
monocotyledon
13. An abbreviation of nicotinamide-adenine-dinucleotide - also called DPN; a respiratory oxidation-reduction molecule
reduction
Bowman's capsule
parthenogenesis
NAD
14. A substance that is acted upon by an enzyme
nictitating membrane
substrate
oviduct
antibody
15. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")
cuticle
antigen
Calvin cycle
plankton
16. A substance that participates in the clotting of blood in vertebrates
coenzyme
trilobite
genus
thrombin
17. Encompasses the brain and the spinal cord
central nervous system
imprinting
luteinizing hormone (LH)
niche
18. The part of the neuron that transmits impulses to the cell body
recombinant DNA technology
seminiferous tubules
dendrite
phenotype
19. The space between the mesodermal layers that forms the body cavity of some animal phyla
bile salts
parasympathetic
hybrid
coelom
20. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections
gray matter
chitin
genotype
aortic arch
21. 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
adrenal medulla
telophase
chitin
Rh factor
22. A hoofed animal
follicle
alimentary canal
ungulate
thalamus
23. A plant that has two seed leaves or cotyledons
heterozygous
sympathetic
exocrine
dicotyledon
24. A process by which the cell membrane is invaginated to form a vesicle which contains extracellular medium
hybrid
endocytosis
eye
bacteriophage
25. A mass of cells that have similar structures and perform similar functions
aerobe
prokaryote
protein
tissue
26. A hormone produced by the Islets of Langerhans in the pancreas
medulla oblongata
insulin
autonomic nervous system
antibody
27. An organic cofactor required for enzyme activity
coenzyme
thermoregulation
turgor pressure
metaphase
28. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system
legume
lymph capillary
oxidation
tundra
29. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence
pupil
spiracle
niche
plasmodium
30. A plant that belongs to the class of seed plants in which the seeds are not enclosed in an ovary; includes the conifers
ingestion
ptyalin
iris
gymnosperm
31. A membrane that envelopes the nucleus and separates it from the cytoplasm; present in eukaryotes
irritability
nuclear membrane
thermoregulation
thorax
32. The veins that carry blood from the digestive organs to the liver
chromatid
hepatic portal system
cytosine
seminiferous tubules
33. The loss of all or part of a chromosome
medusa
homologous
deletion
Calvin cycle
34. Semen
ventral root
biotic
seminal fluid
notochord
35. A type of nuclear division that is characterized by complex chromosomal movement and the exact duplication of chromosomes; occurs in somatic cells
cuticle
seminiferous tubules
budding
mitosis
36. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations
lacteal
fitness
disaccharide
gametophyte
37. Multicellular organism
differentation
eukaryote
Krebs cycle
Arthropoda
38. The swelling at the end of an axon
synaptic terminal
point mutation
Eustachian tube
disjunction
39. The sac in the ovary in which the egg develops
follicle
cretinism
point mutation
chromatin
40. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added
imprinting
buffer
lacteal
herbivore
41. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome
monosaccharide
hypocoytl
gene
meiosis
42. A jellyfish
plastid
umbilicus
medusa
anther
43. The pollination of the pistil of one flower with pollen from the stamen of a different flower of the same species
coelom
uracil
cross-pollination
spore
44. Cytoplasmic bodies within a plant cell that are often pigmented
food vacuole
geotropism
interstitial cells
plastid
45. The largest artery; carries blood from the left ventricle
clotting
heterozygous
aorta
genetic drift
46. Laws of classical genetics established through Mendel's experiments with peas
thrombokinase
ethylene
auxin
Mendelian laws
47. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea
polyp
vitamin
semicircular canals
pelagic zone
48. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions
oviduct
clotting
urethra
sinus
49. The biome located between the polar region and the tiaga
centrosome
tundra
cytoskeleton
chromatin
50. The contraction of the atria or ventricles of the heart
hypotonic
systole
central nervous system
centrosome