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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 kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa
organelle
insulin
Protista
style
2. The class of free-living flatworms
planaria
hepatic portal system
flagellate
assimilation
3. The site of most digestion of nutrients and absorption of digested nutrients
small intestine
colon
phenotype
oogenesis
4. A mitotic stage in which nuclei reform and nuclear membrane reappears
saprophyte
metamorphosis
gill slit
telophase
5. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA
FSH
deoxyribose
cortisone
umbilicus
6. A relationship in which one organism benefits at the expense of another
parasitism
nerve cord
angiosperm
epinephrine
7. The mammalian oviduct that leads from the ovaries to the uterus
chromatin
analogous
translocation
fallopian tube
8. The colored part of the eye that is capable of contracting and regulating the size of the pupils
codominant
nictitating membrane
iris
ungulate
9. Related to the sense of smell
sporophyte
eukaryote
olfactory
immunity
10. A flexible - supportive rod running longitudinally through the dorsum ventral to the nerve cord; found in lower chordates and in the embryos of vertebrates
thrombin
dominance
conditioning
notochord
11. Deoxyribonucleic acid; found in cell nucleus - its basic unit is the nucleotide; contains coded genetic information; can replicate on the basis of heredity
spindle
DNA
tundra
heterozygous
12. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea
independent assortment
polyp
aldosterone
centromere
13. The thigh bone of vertebrates
femur
heterotroph
chorion
testes
14. The intake of fluid droplets into a cell
oxidation
photolysis
pinocytosis
respiration
15. A tube connecting the ovaries and the uterus
diastole
oviduct
flagellum
epidermis
16. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females
marsupial
metamorphosis
ingestion
dimorphism
17. Occurs when certain traits are determined by genes on sex chromosomes
cell wall plate
hemoglobin
sex linkage
ingestion
18. The science of classification of living things
cloaca
phylogeny
cerebral hemisphere
taxonomy
19. Compounds in bile that aid in emulsification
adrenal medulla
bile salts
thryoxin
recessive
20. A flesh-eating animal; a holotrophic animal that subsists on other animals or parts of animals
exoskeleton
diffusion
mucosa
carnivore
21. A lateral region of the forebrain
thalamus
peristalsis
testes
genotype
22. A multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm
ethylene
Crustacea
nerve net
carapace
23. A habitat zone - such as desert - grassland or tundra
inversion
hydrostatic skeleton
biome
taiga
24. A four-letter code made up of the DNA nitrogen bases A - T - G and C; each chromosome is made up of thousands of these bases
genetic code
endocrine gland
taiga
goiter
25. A condition in which an organism may have a multiple of the normal number of chromosomes (4n - 6n - etc)
abiotic
point mutation
polyploidy
cephalic
26. Unicellular organism with simple cell structure
genotype
regeneration
Chordata
prokaryote
27. The biome located between the polar region and the tiaga
ethanol fermentation
style
linkage
tundra
28. A structure in animal cells containing centrioles from which the spindle fibers develop
commensal
centrosome
linkage
sporophyte
29. The passive - rhythmical expansion or dilation of the cavities of the heart (atria or ventricles) that allows these organs to fill with blood; preceded and followed by systole (contraction)
diastole
adenosine phosphate
producer
nuclear membrane
30. A ductless gland that secretes hormones directly into the bloodstream
adaptation
irritability
endocrine gland
centromere
31. A cell resulting from the fusion of gametes
phloem
zygote
neuron
pinocytosis
32. Describes a fluid that has a higher osmotic pressure than another fluid it is compared to
hypertonic
endoderm
auxin
ungulate
33. The extraembyonic membrane of birds - reptiles and mammals that serves as an area of gaseous exchange and as a site for the storage of noxious excretion products
emulsion
carbohydrate
allantois
functional groups
34. The kind of bond formed when two amino acid units are jointed end to end
white matter
photoperiodism
larva
peptide
35. Substance secreted by organisms that influences the behavior of other members of the same species
spermatogenesis
substrate
pheromone
endemic
36. A substance that is acted upon by an enzyme
cell wall
pituitary
substrate
consumer
37. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron
cretinism
luteinizing hormone (LH)
herbivore
synapse
38. The small granular body within the centrosome to which the spindle fibers attach
centriole
pinocytosis
Rh factor
isolation
39. An undifferentiated - growing region of a plant that is constantly undergoing cell division and differentiation
hypertonic
guanine
meristem
dimorphism
40. The solid ball of cells the results from cleavage of an egg; a solid blastula that precedes the blastula stage
ecology
corpus callosum
embolus
morula
41. The removal of an amino group from an organism - particularly from an amino acid
deamination
morula
ovary
fitness
42. An enzyme that acts upon sucrose
littoral zone
cytokinesis
smooth muscle
sucrase
43. One of a class of organic compounds that contains a molecular skeleton of four fused rings of carbon
endocytosis
steroid
bacillus
population
44. The study of organisms in relation to their environment
morula
ecology
Mendelian laws
food vacuole
45. Asexual reproduction; in this process - the parent organism splits into two equal daughter cells
esophagus
pupil
centrosome
binary fission
46. A major lymphatic that empties lymph into a vein in the neck
polar body
thoracic duct
nictitating membrane
mutualism
47. A compact linear organization of nerve tissues with ganglia in the CNS
nerve cord
polymorphism
incomplete dominance
hybrid
48. An organic cofactor required for enzyme activity
primary oocyte
pupil
coenzyme
permeability
49. An organic molecule consisting of joined phosphate - 5-carbon sugar (deoxyribose or ribose) - and a purine or a pyrimidine (adenine - guanine - uracil - thymine or cytosine)
endocytosis
nucleotide
pineal body
niche
50. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water
haploid
ecological succession
luteinizing hormone (LH)
root hair