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Test your basic knowledge |
SAT Subject Test: Biology
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Subjects
:
sat
,
science
,
biology
Instructions:
Answer 50 questions in 15 minutes.
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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 marine biome; a region on the continental shelf that contains an ocean area with depths of up to 600 ft
carbohydrate
littoral zone
producer
chromatin
2. A blood clot that is formed within a blood vessel
deletion
eukaryote
embolus
biotic
3. The study of form and structure
photolysis
morphology
adaptation
disjunction
4. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers
centromere
corpus luteum
taiga
thymus
5. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male
small intestine
urea
pheromone
sex chromosome
6. The tenth cranial nerve that innervates digestive organs - heart and other areas
vagus nerve
pollen
spore
parenchyma
7. 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
pons
ecology
allantois
deamination
8. A space in the cytoplasm of a cell that contains fluid
hemoglobin
vacuole
taiga
gylcolysis
9. Globular proteins produced by tissues that destroy or inactivate antigens
heterozygous
permeability
autolysis
antibody
10. The genetic makeup of an organism without regard to physical appearance
genotype
diastole
F1
chromosome
11. The inner layer of an organ surrounded by the cortex
assimilation
Coelentrata
active immunity
medulla
12. A structure of the eye that focuses images on the retina by changing its convexity
lens
placenta
cone
cortex
13. A symbol that denotes the relative concentration of hydrogen ions in a solution
hyperthyroidism
pH
pith
translation
14. A remnant of follicle after ovulation that secretes the hormone progesterone
capillary
corpus luteum
urine
physiology
15. The smallest particle that is capable of carrying out photosynthesis; the functional unit of a chloroplast
granum
commensal
RNA
microbodies
16. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells
endoplasmic reticulum
thalamus
stoma
geotropism
17. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence
corpus callosum
niche
ovary
lipid
18. The individual differences of form among the members of a species
recombinant DNA technology
carnivore
polymorphism
analogous
19. An antipathogenic substance (e.g. - penicillin)
small intestine
antibiotic
ribosome
osmoregulation
20. A disease-causing organism
pathogen
gylcolysis
pineal body
steroid
21. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
pyrimidine
thoracic duct
placenta
self-pollination
22. A neuron that picks up impulses from receptors and transmits them to the spinal cord
secondary tissue
heterozygous
retina
sensory neuron
23. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females
dimorphism
ecology
photoperiodism
mutagenic agent
24. Describes an individual that possesses two contrasting alleles for a given trait
heterozygous
enzyme
flagellate
style
25. One-thousandth of a millimeter; a unit of microscopic length
micron (micrometer)
epiphyte
maltose
cross-pollination
26. The stable - biotic part of the ecosystem in which populations exist in balance with each other and with the environment
climax community
phloem
independent assortment
ecological succession
27. A plant that has a single cotyledon or seed-leaf
monocotyledon
central nervous system
phloem
feedback mechanism
28. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron
humerus
host
linkage
synapse
29. Membranous organelles involved in the storage and modification of secretory products
symbiosis
cell wall plate
Golgi apparatus
epinephrine
30. The inner portion of the cytoplasm of a cell or the portion that surrounds the nucleus
gastrula
angiosperm
endoplasm
aerobic
31. One of the two strands that constitute a chromosome; chromatids are held together by the centromere
thymus
chromatid
exocrine
purine
32. A thyroid deficiency that results in stunted growth and feeblemindedness
F1
cretinism
active immunity
inner ear
33. The largest portion of the human brain; it is believed to be the center of intelligence - conscious thought and sensation
endoplasm
cerebrum
trilobite
primary oocyte
34. 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
Mendelian laws
Bowman's capsule
autonomic nervous system
plasmodium
35. A grouping of neuron cell bodies that acts as a coordinating center
nerve cord
ingestion
ganglion
pyrimidine
36. The association of physical - visceral response with an environmental stimulus with which it is not naturally associated; a learned response
xylem
conditioning
littoral zone
host
37. A motile - multinucleate mass of protoplasm resulting from fusion of uninuclear amoeboid cells
plasmodium
disjunction
thryoxin
style
38. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added
amnion
cation
heterotroph
buffer
39. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males
analogous
polyploidy
chromatid
FSH
40. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system
lymph capillary
hypotonic
transcription
cross-pollination
41. A form of anaerobic respiration found in yeast and bacteria
sex linkage
ethanol fermentation
vestigial organ
alveolus
42. Bacteria that are rod shaped
bacillus
systole
genotype
homologous
43. The place of attachment of the mitotic fiber to the chromosome
cytochrome
centromere
passive immunity
fertilization
44. The biome located between the polar region and the tiaga
germ cell
tundra
chorion
endemic
45. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")
Calvin cycle
synapsis
frame shift mutation
autotroph
46. An endocrine gland of vertebrates - usually paired - and located near or within the thyroid that secretes parathormone - which controls the metabolism of calcium
digestion
diffusion
morula
parathyroid
47. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules
notochord
adenosine phosphate
vein
central nervous system
48. Organelles that serve as specialized containers for metabolic reactions
synaptic terminal
microbodies
smooth muscle
hydrostatic skeleton
49. The process by which environmental patterns or objects presented to a developing organism during a "critical period" of its growth is accepted as a permanent element of its behavior
epidermis
carbon cycle
Eustachian tube
imprinting
50. An organism that possesses both the male and the female reproductive organs
hermaphrodite
spindle
myelin sheath
ungulate
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