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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 kind of microorganism that is between a virus and a bacterium; parasitic within the cells of insects and ticks
xylem
thryoxin
rickettsia
isomer
2. A group of populations that can interbreed
cross-pollination
nucleotide
frame shift mutation
species
3. The process of breaking down large organic molecules into smaller ones
pharynx
hybrid
autotroph
digestion
4. The female gamete; it is nonmotile - large in comparison to male gametes - and stores nutrients
egg
vitamin
cephalic
myelin sheath
5. A network of capillaries in the Bowman's capsules of the kidney
serum
exoskeleton
ecology
glomerulus
6. A stage of mitosis; chromosomes line up at the equator of the cell
genetic drift
metaphase
hypotonic
thorax
7. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti
saprophyte
cochlea
polyploidy
larva
8. A hormone that ripens fruit and induces aging
spiracle
herbivore
ethanol fermentation
ethylene
9. An abbreviation of nicotinamide-adenine-dinucleotide - also called DPN; a respiratory oxidation-reduction molecule
food vacuole
NAD
mesoderm
plankton
10. The thin - bent part of the renal tubule that is the site of the counter-current flow and the sodium gradient
pedigree
prothrombin
phagocyte
Loop of Henle
11. The loss of all or part of a chromosome
chemotropism
deletion
inner ear
vagus nerve
12. Living - as in living organisms in the environment
biotic
population
phylum
NADP
13. A mitotic or meiotic stage in which the chromosomes become visible and during which the spindle fibers form; synapsis takes place during the first meiotic prophase
larva
hermaphrodite
corpus luteum
prophase
14. An enzyme that acts upon maltose and converts it into glucose
maltase
chromosome
inner ear
plasma membrane
15. Any physical feature that prevents the ecological niches of different organisms from overlapping
antibody
angiosperm
pistil
geographical barrier
16. Compounds in bile that aid in emulsification
corpus luteum
bile salts
pupil
saprophyte
17. Chemical groups attached to carbon skeletons that give compounds their functionality
binomial nomenclature
photoperiodism
centriole
functional groups
18. The central tissue of a stem - used for food storage
pyrimidine
pith
plasma
F2
19. The orderly process by which one biotic community replaces another until a climax community is established
testes
coenzyme
plasma membrane
ecological succession
20. The state in which two genetic traits are fully expressed and neither dominates
lysosome
embolus
codominant
gonads
21. One-thousandth of a millimeter; a unit of microscopic length
carbon cycle
allele
thymine
micron (micrometer)
22. A waxy protective layer secreted by the outer surface of plants - insects - etcetera
metabolism
meiosis
cuticle
endemic
23. A gland composed of two parts - anterior and posterior - each with its own secretions; called the "master gland" because its hormones stimulate secretions by other glands
Porifera
nucleolus
binary fission
pituitary
24. The ourter part of the adrenal gland that secretes many hormones - including cortisone and aldosterone
clotting
adrenal cortex
metamorphosis
oxidation
25. The science of classification of living things
taxonomy
osmoregulation
chemotropism
adaptive radiation
26. A network of membrane-enclosed spaces connected with the nuclear membrane; transports materials through the cell; can be soft or rough
endoplasmic reticulum
oxidation
urine
epicotyl
27. A space in the body
pistil
Arachnida
sinus
epidermis
28. The reproductive organ that produces sex cells
interphase
chromatin
gonads
polymer
29. A marine arthropod - now extinct - that lived during the Paleozoic era
trilobite
saprophyte
bud
sinus
30. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development
lactid acid fermentation
gill slit
follicle
mucosa
31. An enzyme from the pancreas that digests proteins in the small intestine
Arachnida
food vacuole
trypsin
alveolus
32. The study of all living processes - activities and functions
taxonomy
physiology
tundra
transpiration
33. The evaporation of water from leaves or other exposed surfaces of plants
nictitating membrane
linkage
transpiration
villus
34. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations
vacuole
fitness
endosperm
myelin sheath
35. A process by which the vesicle in the cell fuses with the cell membrane and releases its contents to the outside
sympathetic
lactase
exocytosis
fitness
36. The phylum to which segmented worms belong
synapse
contractile vacuole
hypotonic
Annelida
37. One of a class of organic compounds that is composed of many amino acids; contains C - H - O and N
photoperiodism
lipase
protein
deletion
38. An excretory product of protein metabolism
regeneration
urea
clotting
Krebs cycle
39. A process of formation of ova
binomial nomenclature
taiga
oogenesis
NAD
40. A structure that extends from the trunk of an organism and is capable of active movements
hydrostatic skeleton
appendage
respiration
ingestion
41. 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
thymus
cell wall
uterus
hypotonic
42. The transformation of an immature animal into an adult; a change in the form of an organ or structure
malleus
metamorphosis
endemic
substrate
43. 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
vacuole
semicircular canals
stoma
placenta
44. A motile - multinucleate mass of protoplasm resulting from fusion of uninuclear amoeboid cells
lipase
parenchyma
aldosterone
plasmodium
45. Bacteria that are rod shaped
bacillus
vestigial organ
pharynx
geotropism
46. Random evolutionary changes in the genetic makeup of a population
passive immunity
genetic drift
assimilation
exocrine
47. The pollination of the pistil of one flower with pollen from the stamen of a different flower of the same species
cross-pollination
meninges
glomerulus
DNA
48. Laws of classical genetics established through Mendel's experiments with peas
placenta
allantois
differentation
Mendelian laws
49. A hormone that stimulates plant stem elongation
frame shift mutation
gibberellin
polar body
spermatogenesis
50. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)
genus
nictitating membrane
small intestine
genetic drift