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Test your basic knowledge |
SAT Subject Test: Biology
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Subjects
:
sat
,
science
,
biology
Instructions:
Answer 50 questions in 15 minutes.
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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 instance of polymorphism in which there is a difference of form between two members of a species - as between males and females
emulsion
dimorphism
excretion
frame shift mutation
2. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti
cochlea
sphincter
irritability
buffer
3. A plant that lives on another plant mensalistically
acetylcholine
allantois
interstitial cells
epiphyte
4. Describes arthropods and other animals whose skeletal or supporting structures are outside the skin
epiphyte
synapsis
steroid
exoskeleton
5. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections
polymer
cortisone
hermaphrodite
gray matter
6. Describes a fluid that has the same osmotic pressure as a fluid it is compared to
small intestine
isotonic
pituitary
genetic drift
7. The stable - biotic part of the ecosystem in which populations exist in balance with each other and with the environment
interstitial cells
autotroph
climax community
Calvin cycle
8. Describes a fluid that has a lower osmotic pressure than a fluid it is compared to
exoskeleton
secondary tissue
metamorphosis
hypotonic
9. The fusion of sperm and the egg to produce a zygote
amnion
cochlea
fertilization
pedigree
10. 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
autosome
heterozygous
prothrombin
11. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)
spermatogenesis
lymphocyte
diploid
carapace
12. A pyrimidine component of nucleic acids and nucleotides; pairs with adenine in DNA
gall bladder
sex linkage
progesterone
thymine
13. The recycling of nitrogen from decaying organism for use in future generations
nitrogen cycle
thryoxin
serum
pelagic zone
14. An emulsifying agent secreted by the liver
conditioning
bile
Golgi apparatus
ADH (vassopressin)
15. A specialized structure that leads to the digestive tract of a developing organism and provides it with food during early development
enzyme
prophase
yolk sac
cretinism
16. An organic nutrient required by organisms in small amounts to aid in proper metabolic processes
vitamin
pseudopod
gene frequency
cretinism
17. A body fluid that flows in its own circulatory fluid in lymphatic vessels separate from blood circulation
coenzyme
lymph
heterotroph
thoracic duct
18. Part of the nephron in the kidney; involved in excretion
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19. The womb in which the fetus develops
epididymis
uterus
clotting
alternation of generations
20. A fatty sheath surrounding the axon of a neuron that aids in stimulus transmission; it is secreted by the Schwann cells
allantois
myelin sheath
conditioning
endocytosis
21. The individual differences of form among the members of a species
biome
polymorphism
gill slit
pineal body
22. A space in the cytoplasm of a cell that contains fluid
cytoskeleton
endoplasmic reticulum
vacuole
recessive
23. A nuclear protein of chromosomes that stains readily
carnivore
synapsis
chromatin
deletion
24. Pertaining to a subdivision of the autonomic nervous system of vertebrates
parasympathetic
Coelentrata
somatic cell
luteinizing hormone (LH)
25. A bundle of nerve axons
food vacuole
nerve
gene frequency
frame shift mutation
26. The portion of the embryonic seed plant below the point of attachment of the coytledon; form the root
integument
hypocoytl
carbohydrate
prothrombin
27. A type of nuclear division that is characterized by complex chromosomal movement and the exact duplication of chromosomes; occurs in somatic cells
mitosis
regeneration
Porifera
anaphase
28. Genetic blending; each allele exerts some influence on the phenotype
vitamin
capillary
incomplete dominance
rhodopsin
29. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules
nerve net
Krebs cycle
hermaphrodite
adenosine phosphate
30. The place of attachment of the mitotic fiber to the chromosome
centromere
permeability
osmosis
ethylene
31. The transfer of pollen from the stamen to the pistil of the same flower
cone
self-pollination
malpighian tubules
allele
32. Degree of penetrability - as in membranes that allow given substances to pass through; the ability to penetrate
lymph capillary
phylum
Mendelian laws
permeability
33. The hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium
progesterone
uterus
marsupial
pepsin
34. A sugar composed of two combined monosaccharides
disaccharide
granum
carapace
hypotonic
35. Pertaining to a restricted locality; ecologically - occurring only in one particular region
NADP
endemic
polymorphism
systole
36. xylem that is no longer being used
gametophyte
glottis
wood
central nervous system
37. The study of all living processes - activities and functions
physiology
eye
pH
diffusion
38. The study of the evolutionary descent and interrelations of groups of organisms
micron (micrometer)
dihybrid
semicircular canals
phylogeny
39. A ring-shaped muscle that is capable of closing a tubular opening by constriction
malpighian tubules
sphincter
epiglottis
deamination
40. The diffusion of water through a semipermeable membrane - from an area of greater concentration to an area of lesser concentration
thrombokinase
glomerulus
retina
osmosis
41. A starch form in animals; glucose is converted to this in the liver
glycogen
bacillus
endoplasm
cortisone
42. A process of asexual reproduction in which the offspring develop from an outgrowth of the plant or animal
sporophyte
mucosa
hepatic portal system
budding
43. The ourter part of the adrenal gland that secretes many hormones - including cortisone and aldosterone
lymph capillary
adrenal cortex
antibody
phylogeny
44. The orientation of cells or organisms in relation to chemical stimuli; the growth or movement response of organisms to chemical stimuli
chemotropism
dimorphism
absorption
heterozygous
45. An organism that possesses one or more whiplike appendages called flagella
flagellate
ecological succession
cytochrome
thoracic duct
46. The transformation of an immature animal into an adult; a change in the form of an organ or structure
peristalsis
mutualism
regeneration
metamorphosis
47. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males
pepsin
vestigial organ
population
FSH
48. The tenth cranial nerve that innervates digestive organs - heart and other areas
autotroph
centrosome
vestigial organ
vagus nerve
49. An over secretion of thyroid that leads to high metabolism and exopthalmia goiter
vagus nerve
hyperthyroidism
selective breeding
Calvin cycle
50. A complex carrier mechanism located on the inside of the inner mitochondrial membrane of the cell; releases energy and is used to form ATP
electron transport chain
taiga
digestion
pith
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