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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. One of a pair of kidney-shaped cells that surround a stomate and regulate the size of the stomate in a leaf
endosperm
pharynx
guard cell
bacillus
2. A process of formation of ova
stroma
oogenesis
littoral zone
cell wall plate
3. A tract of nerve fibers connecting the two cerebral hemispheres
femur
lichen
pons
corpus callosum
4. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water
endoplasm
artery
root hair
ethanol fermentation
5. A neuron that picks up impulses from receptors and transmits them to the spinal cord
sensory neuron
carnivore
Eustachian tube
substrate
6. A colloidal system involving the dispersion of a liquid within a liquid
lichen
larva
urea
emulsion
7. A kind of microorganism that is between a virus and a bacterium; parasitic within the cells of insects and ticks
endocrine gland
carapace
ovary
rickettsia
8. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine
antibody
myelin sheath
phylogeny
cytosine
9. An embryonic structure that gives rise to the central nervous system
serum
neural tube
Protista
chyme
10. A bundle of nerve axons
pathogen
nerve
cytosine
thrombokinase
11. Any cell that is not a reproductive cell
pairing
endoplasmic reticulum
rod
somatic cell
12. The dorsal part of the hip girdle
ilium
nerve
deoxyribose
disjunction
13. A ring-shaped muscle that is capable of closing a tubular opening by constriction
dorsal root
phenotype
coenzyme
sphincter
14. A female sex hormone secreted by the follicle
autotroph
estrogen
amnion
fruit
15. The inner part of the adrenal gland that secretes adrenalin
ventral root
adrenal medulla
mutualism
serum
16. The diffusion of water through a semipermeable membrane - from an area of greater concentration to an area of lesser concentration
central nervous system
spindle
osmosis
transcription
17. The outer layer of cerebral hemispheres in the forebrain - consisting of gray matter
cerebral cortex
diencephalon
ilium
organelle
18. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles
endocrine gland
polysaccharide
niche
adrenaline (epinephrin)
19. An organic catalyst and protein
isotonic
gall bladder
conditioning
enzyme
20. A remnant of follicle after ovulation that secretes the hormone progesterone
corpus luteum
nerve
wood
monohybrid
21. A type of virus that can destroy bacteria by infecting - parasitizing and eventually killing them
cerebellum
bacteriophage
niche
ectoderm
22. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells
assortative mating
mitosis
stoma
cytochrome
23. The kind of bond formed when two amino acid units are jointed end to end
photoperiodism
peptide
transcription
gill slit
24. A category of taxonomic classification that is ranked above class and under kingdoms
eye
nucleotide
phylum
cell wall plate
25. A green pigment that performs essential functions as an electron donor and light "entrapper" in photosynthesis
cell wall plate
chlorophyll
testes
pH
26. A hormone that stimulates plant stem elongation
chlorophyll
gibberellin
hermaphrodite
trachea
27. Degree of penetrability - as in membranes that allow given substances to pass through; the ability to penetrate
permeability
hydrostatic skeleton
lymph
genus
28. The process of forming the sperm cells from primary spermatocytes
trachea
spermatogenesis
telophase
pons
29. Any cell capable of ingesting another cell
peristalsis
phagocyte
lactid acid fermentation
lipase
30. The thigh bone of vertebrates
diploid
esophagus
selective breeding
femur
31. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added
buffer
nerve
oogenesis
NAD
32. The transfer of a piece of chromosome to another chromosome
frame shift mutation
translocation
vacuole
lipase
33. Any physical feature that prevents the ecological niches of different organisms from overlapping
gonads
geographical barrier
cytoskeleton
pseudopod
34. The exchange of parts of homologous chromosomes during meiosis
oviduct
crossing over
metamorphosis
thermoregulation
35. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin
cloaca
hemoglobin
pineal body
urethra
36. Random evolutionary changes in the genetic makeup of a population
incomplete dominance
respiratory center
genetic drift
chromosome
37. A specialized structure that leads to the digestive tract of a developing organism and provides it with food during early development
eye
cytokinesis
pyrimidine
yolk sac
38. Related to the sense of smell
dihybrid
rhizome
thymus
olfactory
39. Plant tissue consisting of large thin-walled cells for storage
self-pollination
parenchyma
isotonic
thrombokinase
40. Usually referred to as ACTH and secreted by the anterior lobe of the pituitary gland; stimulates the adrenal cortex to produce its characteristic hormones
disjunction
egg
macula
adrenocorticotrophic hormone
41. Tissue formed by the differentiation of cambium that causes a growth in width of a plant system
seminiferous tubules
circadian rhythms
secondary tissue
consumer
42. Agent that induces mutations; typically carcinogenic
mutagenic agent
osmosis
deoxyribose
adrenal medulla
43. Describes an individual that has the same gene for the same trait on each homologous chromosome
heterozygous
homozygous
nitrogen cycle
synergistic
44. A tube connecting the ovaries and the uterus
passive immunity
oviduct
commensal
adaptive radiation
45. The part of the hindbrain located in the brain stem
pons
pith
binary fission
epithelium
46. The sac in the ovary in which the egg develops
emulsion
exocytosis
alimentary canal
follicle
47. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa
polar body
homeotherm
Protista
synapsis
48. The association of physical - visceral response with an environmental stimulus with which it is not naturally associated; a learned response
cytoplasm
corpus callosum
conditioning
steroid
49. The space between the mesodermal layers that forms the body cavity of some animal phyla
ectoderm
coelom
synapse
excretion
50. A membrane that envelopes the nucleus and separates it from the cytoplasm; present in eukaryotes
nuclear membrane
metaphase
larva
Chordata