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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 outermost - extra-embryonic membrane of reptiles and birds
isotonic
protein
chorion
chitin
2. Genetic blending; each allele exerts some influence on the phenotype
incomplete dominance
smooth muscle
zygote
femur
3. The thigh bone of vertebrates
femur
clotting
allantois
lymph capillary
4. A fat or oil
hyperthyroidism
malpighian tubules
lipid
niche
5. A protein compound containing iron that is found in red blood cells
endoplasmic reticulum
hemoglobin
gamete
ventricle
6. Agent that induces mutations; typically carcinogenic
atrium
tetrad
mutagenic agent
lipase
7. A blood clot that is formed within a blood vessel
deoxyribose
inversion
bud
embolus
8. A resistance to disease developed through the immune system
sinus
oviduct
immunity
platelet
9. One or two or more types of genes - each representing a particular trait; many alleles exist for a specific gene locus
endosperm
levels of structure
allele
prokaryote
10. The male gonads that produce sperm and male hormones
nondisjunction
peristalsis
testes
fibrinogen
11. The portion of seed plant embryo above the cotyledon
epicotyl
mesoderm
thorax
iris
12. Protective immunity to a disease in which the individual produces antibodies as a result of previous exposure to the antigen
anaerobe
chemotropism
dihybrid
active immunity
13. The largest artery; carries blood from the left ventricle
gill slit
geographical barrier
aorta
purine
14. Organism that produces its own food; first stage in the food chain
neuron
producer
oxidation
ganglion
15. A marine biome typical of the open seas
epidermis
NADP
chloroplast
pelagic zone
16. Living - as in living organisms in the environment
uracil
biotic
synapsis
fallopian tube
17. A relationship in which one organism benefits at the expense of another
alveolus
monocotyledon
uracil
parasitism
18. A hormone that stimulates plant stem elongation
gibberellin
androgen
chitin
spiracle
19. Pertains to a gene or characteristic that is masked when a dominant allele is present
recessive
cornea
nitrogen cycle
pinocytosis
20. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa
cloaca
endoplasmic reticulum
Protista
taiga
21. A plant growth hormone
prokaryote
auxin
clotting
stroma
22. A flexible - supportive rod running longitudinally through the dorsum ventral to the nerve cord; found in lower chordates and in the embryos of vertebrates
notochord
dominance
retina
glycogen
23. A plastid containing chlorophyll
deletion
antibody
chloroplast
cytokinesis
24. A pouched mammal - such as the kangaroo or opossum
hyperthyroidism
marsupial
urine
cytoplasm
25. A behavioral or biological change that enables an organism to adjust to its environment
guanine
adaptation
urine
bud
26. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac
pyloric valve
ADH (vassopressin)
amnion
wood
27. A decimal fraction that represents the presence of an allele for all members of a population that have a particular gene locus
gene frequency
asexual reproduction
rickettsia
absorption
28. A process by which the cytoplasm and the organelles of the cell divide; the final stage of mitosis
cytokinesis
corpus callosum
endemic
purine
29. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells
hermaphrodite
uracil
polysaccharide
flagellum
30. A tube connecting the ovaries and the uterus
vagus nerve
aortic arch
oviduct
ectoderm
31. One of a pair of kidney-shaped cells that surround a stomate and regulate the size of the stomate in a leaf
synapse
mesoderm
Protista
guard cell
32. A plant that has two seed leaves or cotyledons
gray matter
population
centriole
dicotyledon
33. The part of the male reproductive organ (the stamen) that produces and stores pollen
ilium
fibrin
anther
adrenal cortex
34. 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
binary fission
mesoderm
meristem
epicotyl
35. Different relationships that are formed in proteins between the original sequence of amino acids and more complex three-dimensional compounds
levels of structure
cytokinesis
dominance
yolk sac
36. The part of the neuron that transmits impulses to the cell body
adenosine phosphate
conditioning
Arthropoda
dendrite
37. The elimination of metabolic waster matter
excretion
ribosome
cytokinesis
blastula
38. An invertebrate animal phylum in which animals possess a single alimentary opening and tentacles with stinging cells
nerve
Coelentrata
semicircular canals
cross-pollination
39. A process of formation of ova
oogenesis
cotyledon
planaria
Coelentrata
40. An offspring that is heterozygous for one or more gene pairs
larva
reduction
hybrid
smooth muscle
41. The exchange of parts of homologous chromosomes during meiosis
mitosis
cortisone
crossing over
cerebrum
42. A mutation in which a single nucleotide base is substituted for another nucleotide base - or an extra nucleotide base is added
nuclear membrane
Loop of Henle
point mutation
abiotic
43. A type of nuclear division that is characterized by complex chromosomal movement and the exact duplication of chromosomes; occurs in somatic cells
mitosis
spiracle
fitness
pyloric valve
44. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system
malpighian tubules
lymph capillary
gall bladder
cerebellum
45. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water
malpighian tubules
calorie
Coelentrata
root hair
46. The phylum to which jointed-legged invertebrates belong - including insects - arachnids and crustaceans
ungulate
Arthropoda
nitrogen cycle
eukaryote
47. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea
diastole
chlorophyll
endemic
polyp
48. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male
sex chromosome
maltase
aldosterone
monohybrid
49. Describes cells (gametes) that have half the chromosome number typical of the species
haploid
autosome
goiter
chemosynthesis
50. A process of photosynthesis in which water is split into H+ and OH-; the hydrogen ion is then joined to NADP
metabolism
meristem
photolysis
lactid acid fermentation