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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. Fluid excreted by the kidney containing urea - water - salts - etc
taxonomy
mutualism
endoplasmic reticulum
urine
2. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence
niche
hypocoytl
style
nerve
3. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti
axon
mutation
cochlea
germ layer
4. The system of naming an organism by its genus and species name
binomial nomenclature
ribosome
dihybrid
smooth muscle
5. Occurs when a segment of genetic material on a chromosome becomes reversed
pollen
inversion
sex linkage
monocotyledon
6. A specialized structure that controls osmotic pressure by removing water from the cell
contractile vacuole
marsupial
villus
ecology
7. The loss of all or part of a chromosome
zygote
spore
centriole
deletion
8. The basal branch of each spinal nerve; carries motor neurons
ventral root
goiter
pyloric valve
pistil
9. An organic catalyst and protein
cytoskeleton
pineal body
enzyme
recombinant DNA technology
10. Encompasses the brain and the spinal cord
central nervous system
maltase
alveolus
asexual reproduction
11. A mall sex hormone (e.g. - testosterone)
atrium
epiglottis
centromere
androgen
12. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development
Annelida
gill slit
biome
chromosome
13. The swelling at the end of an axon
Golgi apparatus
synaptic terminal
deletion
uterus
14. Pertaining to a restricted locality; ecologically - occurring only in one particular region
adrenaline (epinephrin)
endemic
hermaphrodite
cytoplasm
15. The ability of certain animals to regrow missing body parts
secondary tissue
iris
xylem
regeneration
16. The space between the mesodermal layers that forms the body cavity of some animal phyla
NADP
coelom
contractile vacuole
carbohydrate
17. The process by which carbohydrates are formed through chemical energy; found in bacteria
tundra
genetic drift
chemosynthesis
isotonic
18. The portion of seed plant embryo above the cotyledon
epicotyl
plexus
plastid
diencephalon
19. The cell body of a neuron
isotonic
feedback mechanism
rickettsia
cyton
20. A purine (nitrogenous base) component of nucleotides and nucleic acids; links with cytosine in DNA
guanine
allele
pistil
haploid
21. The conversion of digested foods and other materials into forms usable by the body (i.e. - the conversion of amino acids into proteins)
ganglion
isomer
transpiration
assimilation
22. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers
taiga
Rh factor
chitin
diencephalon
23. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions
central nervous system
homologous
cone
deamination
24. The solid ball of cells the results from cleavage of an egg; a solid blastula that precedes the blastula stage
pineal body
morula
colon
isolation
25. The tenth cranial nerve that innervates digestive organs - heart and other areas
vagus nerve
acetylcholine
anaphase
eye
26. The biome located between the polar region and the tiaga
ethanol fermentation
tundra
smooth muscle
neural tube
27. Random evolutionary changes in the genetic makeup of a population
diffusion
fibrin
spindle
genetic drift
28. A structure in animal cells containing centrioles from which the spindle fibers develop
protein
centrosome
oxidation
vestigial organ
29. A hormone that regulates water reabsorption
ADH (vassopressin)
haploid
peptide
chemosynthesis
30. Movement of amoeba
estrogen
epiglottis
pseudopod
anther
31. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA
deoxyribose
erythrocyte
producer
ingestion
32. The female gamete; it is nonmotile - large in comparison to male gametes - and stores nutrients
egg
synaptic terminal
Crustacea
urea
33. Organism that produces its own food; first stage in the food chain
adaptation
gill slit
producer
aerobic
34. Living - as in living organisms in the environment
cuticle
lichen
biotic
homeotherm
35. 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
chitin
endocytosis
ecology
selective breeding
36. A pouched mammal - such as the kangaroo or opossum
villus
marsupial
hybrid
coenzyme
37. The outer layer of cerebral hemispheres in the forebrain - consisting of gray matter
translation
wood
cerebral cortex
disaccharide
38. An organic compound to which hydrogen and oxygen are attached; the hydrogen and oxygen are in a 2:1 ratio; examples include sugars - starches and cellulose
deletion
carbohydrate
capillary
reticulum
39. Three membranes that envelop the brain and spinal cord (pia mater - dura mater and arachnoid)
carapace
mutualism
meninges
Krebs cycle
40. The division in animal cell cytoplasm caused by the pinching in of the cell membrane
glottis
parasympathetic
synergistic
cleavage
41. The part of the male reproductive organ (the stamen) that produces and stores pollen
emulsion
ganglion
medulla oblongata
anther
42. A muscular valve regulating the flow of food from the stomach to the small intestine
diastole
nictitating membrane
pyloric valve
synapse
43. Asexual reproduction; in this process - the parent organism splits into two equal daughter cells
allantois
binary fission
nucleus
stroma
44. A type of nuclear division that is characterized by complex chromosomal movement and the exact duplication of chromosomes; occurs in somatic cells
mitosis
spore
point mutation
sex chromosome
45. The anaerobic respiration of carbohydrates
gylcolysis
dicotyledon
platelet
cambium
46. An individual that is heterozygous for only one trait
plastid
primary oocyte
pollen
monohybrid
47. A behavioral or biological change that enables an organism to adjust to its environment
cotyledon
chromosome
adaptation
gametophyte
48. The separation of some members of a population from the rest of their species; prevents interbreeding and may lead to the development of a new species
morphology
isolation
peptide
endoplasm
49. The hind portion of the forebrain of vertebrates
acetylcholine
stomach
diencephalon
binomial nomenclature
50. A plant that has two seed leaves or cotyledons
sphincter
stamen
dicotyledon
differentation