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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. Different relationships that are formed in proteins between the original sequence of amino acids and more complex three-dimensional compounds
levels of structure
diencephalon
carbohydrate
spiracle
2. A specialized structure that leads to the digestive tract of a developing organism and provides it with food during early development
Annelida
endoplasmic reticulum
xylem
yolk sac
3. The orderly process by which one biotic community replaces another until a climax community is established
ecological succession
pseudopod
meiosis
trypsin
4. The smallest particle that is capable of carrying out photosynthesis; the functional unit of a chloroplast
cyton
diastole
endemic
granum
5. The separation of homologous pairs of chromosomes following meiotic synapsis
physiology
disjunction
sucrase
geotropism
6. The study of the evolutionary descent and interrelations of groups of organisms
phylogeny
chloroplast
corpus luteum
cephalic
7. An organism that must get its inorganic and organic raw materials from the environment; a consumer
commensal
vacuole
heterotroph
germ cell
8. The fusion of sperm and the egg to produce a zygote
Graffian follicle
monocotyledon
polyp
fertilization
9. An enzyme that acts upon sucrose
guanine
aerobic
sucrase
hyperthyroidism
10. A pouched mammal - such as the kangaroo or opossum
marsupial
inner ear
lymphocyte
cytoskeleton
11. Undifferentiated tissue in the stem of a plant that aids growth in width
conditioning
chyme
photoperiodism
cambium
12. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase
secondary tissue
humerus
platelet
sporophyte
13. The exchange of parts of homologous chromosomes during meiosis
oviduct
crossing over
tetrad
progesterone
14. A nitrogenous base such as adenine or guanine; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
autosome
conditioning
purine
food vacuole
15. A network of capillaries in the Bowman's capsules of the kidney
inversion
femur
epiglottis
glomerulus
16. An organic nutrient required by organisms in small amounts to aid in proper metabolic processes
exoskeleton
pathogen
vitamin
testes
17. A tube connecting the ovaries and the uterus
gene
chitin
oviduct
prophase
18. A transmitter substance released from the axons of nerve cells at the synapse
acetylcholine
zygote
cloaca
glottis
19. The innermost tissue layer of the eyeball that contains light-sensitive receptor cells
frame shift mutation
guard cell
retina
tissue
20. A cell that divides to form the polar body and the secondary oocyte
saprophyte
primary oocyte
assimilation
cerebral cortex
21. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin
pineal body
assortative mating
DNA
heterozygous
22. The thigh bone of vertebrates
somatic cell
fermentation
epiphyte
femur
23. The stage in mitosis that is characterized by the migration of chromatids to opposite ends of the cell; the stage in meiosis during which homologus pairs migrate (Anaphase I) - and the stage in meiosis during which chromatids migrate to different end
buffer
abiotic
heterozygous
anaphase
24. A nerve fiber
epithelium
cytokinesis
species
axon
25. Movement of amoeba
pseudopod
blastula
genetic code
cytosine
26. Describes an individual that has the same gene for the same trait on each homologous chromosome
homozygous
trilobite
small intestine
Golgi apparatus
27. The process of breaking down large organic molecules into smaller ones
cytoskeleton
wood
synapsis
digestion
28. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin
transpiration
spindle
Bowman's capsule
hyperthyroidism
29. A fatty sheath surrounding the axon of a neuron that aids in stimulus transmission; it is secreted by the Schwann cells
myelin sheath
linkage
budding
adaptive radiation
30. The movement of particles from one place to another as a result of their random motion
Graffian follicle
diffusion
hormone
test cross
31. A substance that participates in the clotting of blood in vertebrates
Arachnida
thrombin
epinephrine
FSH
32. The cellular layer that covers external and internal surfaces
plasma membrane
epithelium
pelagic zone
systole
33. The outermost - extra-embryonic membrane of reptiles and birds
dicotyledon
thymus
point mutation
chorion
34. An embryonic structure that gives rise to the central nervous system
cerebral cortex
neural tube
Golgi apparatus
monocotyledon
35. A hydrogen carrier containing iron that functions in many cellular processes - including respiration
inner ear
geotropism
spindle
cytochrome
36. A sex or reproductive cell that must fuse with another of the opposite type to form a zygote
gamete
cell wall plate
disjunction
secondary tissue
37. Pertaining to a subdivision of the autonomic nervous system of vertebrates
lysosome
systole
adaptive radiation
parasympathetic
38. A plant that lives on another plant mensalistically
gamete
epiphyte
cloaca
lymphocyte
39. The study of organisms in relation to their environment
ecology
bile salts
epicotyl
hemoglobin
40. An organism that is heterozygous for two different traits
dihybrid
villus
capillary
follicle
41. An air-conducting tube
diffusion
tissue
trachea
fallopian tube
42. A stage of embryonic development characterized by the differentiation of the cells into the ectoderm and endoderm germ layers and by the formation of the archenteron
plexus
gastrula
endoplasm
pupil
43. A lymph tubule located in the villus that absorbs fatty acids
electron transport chain
allantois
lacteal
granum
44. An organic cofactor required for enzyme activity
regeneration
isomer
coenzyme
pedigree
45. The area of medulla that regulates the rate of breathing
peptide
NADP
anaerobic
respiratory center
46. A fat-digesting hormone
nuclear membrane
vestigial organ
cephalic
lipase
47. A female sex hormone secreted by the follicle
adenosine phosphate
estrogen
nucleotide
medulla oblongata
48. The navel
hybrid
umbilicus
glottis
tundra
49. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
appendage
pyrimidine
granum
placenta
50. The living matter of a cell - located between the cell membrane and the nucleus
species
cytoplasm
luteinizing hormone (LH)
irritability