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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. The tenth cranial nerve that innervates digestive organs - heart and other areas
spiracle
vagus nerve
nitrogen cycle
absorption
2. Relating to the lung
pleural cavity
pulmonary
Mendelian laws
trachea
3. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development
regeneration
mitochondria
gill slit
synergistic
4. One or two or more types of genes - each representing a particular trait; many alleles exist for a specific gene locus
stigma
epicotyl
osmoregulation
allele
5. A group of populations that can interbreed
interphase
alimentary canal
sensory neuron
species
6. A network - particularly of nerve or blood vessels
umbilicus
guanine
plexus
adrenal cortex
7. A cell resulting from the fusion of gametes
asexual reproduction
nerve cord
zygote
pathogen
8. In mammals - a flap of tissue above the glottis; it folds back over the glottis in swallowing to close the air passages of the lungs; contains elastic cartilage
translation
aortic arch
Krebs cycle
epiglottis
9. The liquid part of blood
plasma
peripheral nervous system
selective breeding
maltase
10. An organism that possesses both the male and the female reproductive organs
pulmonary
phenotype
glomerulus
hermaphrodite
11. Describes an individual that possesses two contrasting alleles for a given trait
photoperiodism
pituitary
monosaccharide
heterozygous
12. Vascular tissue of the plant that aids in support and carries water
purine
plastid
haploid
xylem
13. Nonliving - as in the physical environment
abiotic
Porifera
lichen
medusa
14. The individual differences of form among the members of a species
polymorphism
gastrula
self-pollination
gamete
15. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty
dorsal root
duodenum
monocotyledon
cerebral cortex
16. The small granular body within the centrosome to which the spindle fibers attach
pelagic zone
pituitary
interstitial cells
centriole
17. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body
ventricle
epicotyl
maltose
budding
18. Encompasses the brain and the spinal cord
circadian rhythms
adrenocorticotrophic hormone
central nervous system
gibberellin
19. A purine (nitrogenous base) component of nucleotides and nucleic acids; links with cytosine in DNA
sex linkage
vein
guanine
monosaccharide
20. Technology that allows for manipulation of genetic material
gonads
recombinant DNA technology
recessive
meninges
21. The place of attachment of the mitotic fiber to the chromosome
functional groups
xylem
centromere
geotropism
22. In mitosis of higher plants - the structure that forms between the divided nuclei of the two daughter cells and eventually becomes the cell wall
spermatogenesis
cell wall plate
white matter
ventral root
23. Describes a fluid that has a lower osmotic pressure than a fluid it is compared to
immunity
hypotonic
morphology
Arthropoda
24. A marine arthropod - now extinct - that lived during the Paleozoic era
trilobite
meiosis
Graffian follicle
purine
25. A kind of microorganism that is between a virus and a bacterium; parasitic within the cells of insects and ticks
cone
rickettsia
corpus callosum
cuticle
26. A body fluid that flows in its own circulatory fluid in lymphatic vessels separate from blood circulation
notochord
lymph
lipid
trilobite
27. 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
transpiration
wood
cell wall
cytoskeleton
28. A marine biome typical of the open seas
interphase
epiphyte
pelagic zone
cleavage
29. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence
chyme
niche
ethanol fermentation
autotroph
30. 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
platelet
dominance
allantois
colon
31. The part of the body of an animal that is between the neck or head and the abdomen
cerebellum
umbilicus
pathogen
thorax
32. A cell that divides to form two secondary spermatocytes
diastole
imprinting
reticulum
primary spermatocyte
33. An ion with a positive charge - or an ion that migrates towards the cathode (negative electrode) in an electric field
cation
colon
genetic code
feedback mechanism
34. Structures in the testes that produce sperm and semen
granum
seminiferous tubules
phylum
parenchyma
35. A fluid-filled sensory apparatus that aids balance and hearing
uracil
smooth muscle
inner ear
gonads
36. A lateral region of the forebrain
thoracic duct
dihybrid
thalamus
transpiration
37. A space in the cytoplasm of a cell that contains fluid
vacuole
diastole
fermentation
niche
38. The chamber in the alimentary canal of certain vertebrates located below the large intestine - into which the ureter and reproductive organs empty (as in frogs)
transcription
cloaca
smooth muscle
adrenal medulla
39. A hormone that regulates water reabsorption
trypsin
osmosis
ADH (vassopressin)
nitrogen cycle
40. The organelle that provides mechanical support and carries out motility functions for the cell
trilobite
endocrine gland
cytoskeleton
gene frequency
41. A structure in animal cells containing centrioles from which the spindle fibers develop
pistil
excretion
centrosome
tetrad
42. The pressure exerted by the contents of a cell against the cell membrane or cell wall
thorax
steroid
respiration
turgor pressure
43. The outermost bone of the middle ear (hammer)
synergistic
root hair
malleus
vagus nerve
44. In plants - an area of undifferentiated tissue covered by embryonic leaves
bud
enzyme
lacteal
chloroplast
45. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")
hypocoytl
gene
integument
Calvin cycle
46. An embryonic structure that gives rise to the central nervous system
pyrimidine
thymus
neural tube
pupil
47. The inner portion of the cytoplasm of a cell or the portion that surrounds the nucleus
peristalsis
antigen
substrate
endoplasm
48. A transmitter substance released from the axons of nerve cells at the synapse
acetylcholine
gastrula
appendage
primary oocyte
49. 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
imprinting
sinus
carbohydrate
dimorphism
50. An enlargement of the thyroid gland due to lack of iodine
functional groups
bile
goiter
germ cell