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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. Any chromosome that is not a sex chromosome
autosome
cuticle
chlorophyll
cretinism
2. 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
imprinting
crossing over
excretion
fruit
3. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)
ribosome
endemic
frame shift mutation
carapace
4. The process by which water and dissolved substances pass through a membrane
autosome
absorption
stomach
chromatid
5. A reproductive cell
gamete
buffer
germ cell
plankton
6. A group of life-maintaining processes that includes nutrition - respiration (the production of usable energy) and the synthesis and degradation of biochemical substances
chromatid
metabolism
epididymis
humerus
7. A dense fluid within the chloroplast in which CO2 is converted into sugars in photosynthesis
stroma
plasmodium
larva
hermaphrodite
8. A sugar composed of two combined monosaccharides
colon
root hair
circadian rhythms
disaccharide
9. The failure of some homologous pairs of chromosomes to separate following meiotic synapsis
autotroph
metabolism
nondisjunction
myelin sheath
10. An air sac in the lung; the site of respiratory exchange - involving diffusion of oxygen and carbon dioxide between the air in the alveolus and the blood in the capillaries
chloroplast
xylem
carapace
alveolus
11. A green pigment that performs essential functions as an electron donor and light "entrapper" in photosynthesis
differentation
meninges
chlorophyll
ribosome
12. The space between the mesodermal layers that forms the body cavity of some animal phyla
integument
test cross
coelom
nerve net
13. A blood vessel that carries blood away from the heart
artery
phenotype
sinus
lichen
14. 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
pairing
diastole
cell wall
trilobite
15. The creation of certain strains of specific traits through control of breeding
deoxyribose
cytoplasm
cretinism
selective breeding
16. A major lymphatic that empties lymph into a vein in the neck
immunity
isomer
lymph
thoracic duct
17. A network of membrane-enclosed spaces connected with the nuclear membrane; transports materials through the cell; can be soft or rough
homologous
endoplasmic reticulum
ptyalin
urinary bladder
18. The pressure exerted by the contents of a cell against the cell membrane or cell wall
polyploidy
peristalsis
turgor pressure
hypocoytl
19. The female gonad in animals; the base of the pistil in plants
glycogen
circadian rhythms
ovary
egg
20. A decimal fraction that represents the presence of an allele for all members of a population that have a particular gene locus
antibiotic
microbodies
gene frequency
diffusion
21. The large intestine
style
gene frequency
colon
sex linkage
22. The cell membrane
thyroid
adrenaline (epinephrin)
plasma membrane
integument
23. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development
gill slit
autotroph
pathogen
Rh factor
24. The liquid part of blood
isotonic
plasma
gamete
NADP
25. The sensory branch of each spinal nerve
dorsal root
autonomic nervous system
cerebral cortex
seminal fluid
26. Structures in the testes that produce sperm and semen
thrombin
tundra
bud
seminiferous tubules
27. The state in which two genetic traits are fully expressed and neither dominates
sporophyte
diploid
genetic drift
codominant
28. A fat or oil
lipid
mitosis
protein
mitochondria
29. The exchange of parts of homologous chromosomes during meiosis
thymus
trachea
asexual reproduction
crossing over
30. The navel
synapsis
umbilicus
cone
glottis
31. A nitrogenous base such as adenine or guanine; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
purine
prophase
nucleolus
pedigree
32. The portion of alimentary canal in which some protein digestion occurs
ethylene
plasma
saprophyte
stomach
33. A tube one cell thick that carries blood from artery to vein; the site of material exchange between the blood and tissues of the body
lactase
assimilation
capillary
ungulate
34. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers
taiga
substrate
thryoxin
trypsin
35. A hormone of the thyroid that regulates basal metabolism
insulin
vein
thryoxin
flagellate
36. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence
respiratory center
imprinting
niche
cytoplasm
37. A colloidal system involving the dispersion of a liquid within a liquid
pupil
ilium
interstitial cells
emulsion
38. Part of the nephron in the kidney; involved in excretion
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39. Passively floating or drifting flora and fauna of a body of water; consists mainly of microscopic organisms
luteinizing hormone (LH)
calorie
plankton
synapse
40. The thin-walled anterior chamber of the heart (also called the auricle)
atrium
medulla oblongata
herbivore
hydrostatic skeleton
41. Any movement or growth of a living organism in response to the force of gravity
geotropism
chromosome
centriole
adrenal cortex
42. A motile - multinucleate mass of protoplasm resulting from fusion of uninuclear amoeboid cells
autosome
plasmodium
pyloric valve
deletion
43. The system of naming an organism by its genus and species name
synaptic terminal
binomial nomenclature
vitamin
transpiration
44. The process by which a certain function is regulated by the amount of the substance it produces
differentation
marsupial
ungulate
feedback mechanism
45. A muscular valve regulating the flow of food from the stomach to the small intestine
neuron
amnion
pyloric valve
reduction
46. The stage in mitosis that is characterized by the migration of chromatids to opposite ends of the cell; the stage in meiosis during which homologus pairs migrate (Anaphase I) - and the stage in meiosis during which chromatids migrate to different end
anaphase
physiology
pairing
primary oocyte
47. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells
calorie
flagellum
Bowman's capsule
rhizome
48. A plastid containing chlorophyll
chloroplast
herbivore
buffer
guard cell
49. The breeding of an organism with a homozygous recessive in order to determine whether an organism is homozygous dominant or heterozygous dominant for a given trait
prophase
test cross
anaerobic
chitin
50. A duct that carries urine from the kidneys to the bladder
sympathetic
cell wall plate
conditioning
ureter