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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 specialized structure that controls osmotic pressure by removing water from the cell
polar body
phagocyte
ilium
contractile vacuole
2. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells
synapse
conditioning
species
stoma
3. A bone of the upper arm
irritability
humerus
interstitial cells
hypocoytl
4. A space in the body
Rh factor
aortic arch
medusa
sinus
5. An accumulation of axons within the CNS that is white because it is fatty - myelin sheath
white matter
cell wall
fertilization
epiphyte
6. A ductless gland in upper chest region concerned with immunity and the maturation of lymphocytes
pairing
primary oocyte
cephalic
thymus
7. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)
nictitating membrane
saprophyte
small intestine
hydrostatic skeleton
8. Fluid in the eye - found between the cornea and the lens
aqueous humor
ovary
polysaccharide
oviduct
9. The fusion of sperm and the egg to produce a zygote
fertilization
biome
goiter
notochord
10. The kind of bond formed when two amino acid units are jointed end to end
peptide
thoracic duct
chemosynthesis
nondisjunction
11. 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)
urethra
diastole
micron (micrometer)
genotype
12. A nerve cell
neuron
rickettsia
cone
respiratory center
13. A cell resulting from the fusion of gametes
respiratory center
synapsis
feedback mechanism
zygote
14. Blood vessels located between ascending and descending aortas that deliver blood to most of the upper body
pith
producer
aortic arch
disjunction
15. A female sex hormone secreted by the follicle
phagocyte
mutualism
estrogen
plasma
16. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males
cotyledon
climax community
imprinting
FSH
17. Globular proteins produced by tissues that destroy or inactivate antigens
genus
antibody
stamen
telophase
18. A blood vessel that carries blood back to the heart from the capillaries
diencephalon
vein
genus
adrenocorticotrophic hormone
19. The enzyme that acts upon lactose
guard cell
lactase
reticulum
adrenocorticotrophic hormone
20. The failure of some homologous pairs of chromosomes to separate following meiotic synapsis
gibberellin
nondisjunction
stroma
acetylcholine
21. 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
ventral root
endemic
genetic code
phenotype
22. A colloidal system involving the dispersion of a liquid within a liquid
prothrombin
adrenocorticotrophic hormone
emulsion
notochord
23. 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
F2
gastrula
appendage
cell wall
24. An organelle that regulates cell functions and contains the genetic material of the cell
systole
synapse
nucleus
metaphase
25. The colored part of the eye that is capable of contracting and regulating the size of the pupils
crossing over
iris
translation
geotropism
26. The veins that carry blood from the digestive organs to the liver
femur
chlorophyll
biotic
hepatic portal system
27. The outermost bone of the middle ear (hammer)
pituitary
malleus
microbodies
pons
28. Nonfunctional haploid cells created during meiosis in females; they have very little cytoplasm-most has gone into the functional egg cell
prokaryote
parasympathetic
medulla oblongata
polar body
29. A thyroid deficiency that results in stunted growth and feeblemindedness
polyploidy
cretinism
transpiration
morula
30. 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
chyme
aldosterone
lymph
duodenum
31. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac
centromere
amnion
thrombin
vein
32. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations
urinary bladder
calorie
fitness
organelle
33. Compounds in bile that aid in emulsification
systole
bile salts
ingestion
rhodopsin
34. Fluid excreted by the kidney containing urea - water - salts - etc
urine
Protista
Mendelian laws
mucosa
35. A grouping of neuron cell bodies that acts as a coordinating center
nictitating membrane
egg
corpus luteum
ganglion
36. Multicellular organism
eukaryote
epithelium
pulmonary
conditioning
37. Describes a fluid that has a lower osmotic pressure than a fluid it is compared to
hypotonic
gamete
hepatic portal system
seminal fluid
38. A category of taxonomic classification that is ranked above class and under kingdoms
alveolus
rhizome
disjunction
phylum
39. The dorsal part of the hip girdle
Calvin cycle
ilium
hypothalamus
nucleus
40. Any cell capable of ingesting another cell
diffusion
disjunction
Annelida
phagocyte
41. The living together of two organisms in an intimate relationship
symbiosis
polymorphism
pathogen
chyme
42. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body
ventricle
gene
pyrimidine
climax community
43. The part of the nervous system that regulates the involuntary muscles - such as the walls of the alimentary canal; includes the parasympathetic and sympathetic nervous systems
polyploidy
allele
autonomic nervous system
stomach
44. The uppermost portion of pistil upon which pollen grains alight
meninges
stigma
ecological succession
fibrinogen
45. An enzyme that acts upon sucrose
littoral zone
thermoregulation
sucrase
stoma
46. The exchange of parts of homologous chromosomes during meiosis
iris
adrenaline (epinephrin)
mucosa
crossing over
47. A blood vessel that carries blood away from the heart
chemotropism
artery
white matter
chromatid
48. A plant that lives on another plant mensalistically
epiphyte
hydrostatic skeleton
hypotonic
metamorphosis
49. The individual differences of form among the members of a species
assimilation
differentation
stomach
polymorphism
50. A mature ovary
ovary
diffusion
mitosis
fruit