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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. Small - disc-shaped bodies in the blood that play a chief role in coagulation
centrosome
crossing over
platelet
food vacuole
2. The microspore of a seed plant
translocation
vagus nerve
enzyme
pollen
3. Living - as in living organisms in the environment
hepatic portal system
biotic
fibrinogen
allantois
4. 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
pharynx
endocytosis
genetic code
nuclear membrane
5. Undifferentiated tissue in the stem of a plant that aids growth in width
diastole
cambium
acetylcholine
interstitial cells
6. Nonliving - as in the physical environment
nitrogen cycle
thoracic duct
abiotic
epiphyte
7. One-thousandth of a millimeter; a unit of microscopic length
allantois
buffer
micron (micrometer)
conditioning
8. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")
Calvin cycle
rod
metamorphosis
Golgi apparatus
9. The haploid - sexual stage in the life cycle of plants
bile salts
gametophyte
endemic
NAD
10. A structure in animal cells containing centrioles from which the spindle fibers develop
urethra
cortisone
centrosome
reduction
11. The production of daughter cells by means other than the sexual union of gametes (as in budding and binary fission)
autonomic nervous system
asexual reproduction
pseudopod
protein
12. The largest portion of the human brain; it is believed to be the center of intelligence - conscious thought and sensation
pons
endosperm
cerebrum
legume
13. A body fluid that flows in its own circulatory fluid in lymphatic vessels separate from blood circulation
pyrimidine
bile salts
lymph
maltase
14. A cell that divides to form two secondary spermatocytes
morula
primary spermatocyte
anaerobe
translocation
15. Plant growth stimulated by light (stem: + - towards light; root: - - away from light)
phototropism
adrenocorticotrophic hormone
exocytosis
translation
16. The portion of alimentary canal connecting the pharynx and the stomach
endoplasm
nerve cord
polyp
esophagus
17. 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
epiglottis
vagus nerve
coelom
nictitating membrane
18. A process of cell division whereby each daughter cell receives only one set of chromosomes; the formation of gametes
disjunction
Rh factor
meiosis
diffusion
19. The contraction of the atria or ventricles of the heart
fitness
systole
morula
hybrid
20. A sensory hair structure in the utriculus and the sacculus of the inner ear; orients the head with respect to gravity
fertilization
marsupial
lymphocyte
macula
21. The system of naming an organism by its genus and species name
polyploidy
dimorphism
binomial nomenclature
pollen
22. A process of photosynthesis in which water is split into H+ and OH-; the hydrogen ion is then joined to NADP
disjunction
photolysis
cloaca
ptyalin
23. 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
duodenum
plastid
Bowman's capsule
root hair
24. The female gamete; it is nonmotile - large in comparison to male gametes - and stores nutrients
enzyme
egg
gylcolysis
fibrinogen
25. A membrane that envelopes the nucleus and separates it from the cytoplasm; present in eukaryotes
microbodies
nuclear membrane
somatic cell
Arachnida
26. One of the primary tissues of the embryo
corpus callosum
germ layer
auxin
gall bladder
27. A dark-staining small body within the nucleus; composed of RNA
consumer
cone
nucleolus
conditioning
28. A thyroid deficiency that results in stunted growth and feeblemindedness
hyperthyroidism
cretinism
carbon cycle
fermentation
29. Organism that produces its own food; first stage in the food chain
producer
transcription
saprophyte
incomplete dominance
30. An endocrine gland of vertebrates - usually paired - and located near or within the thyroid that secretes parathormone - which controls the metabolism of calcium
luteinizing hormone (LH)
reduction
parathyroid
genetic code
31. Membranous organelles involved in the storage and modification of secretory products
photolysis
insulin
white matter
Golgi apparatus
32. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea
polyp
cytochrome
androgen
small intestine
33. A neuron that picks up impulses from receptors and transmits them to the spinal cord
sensory neuron
homologous
synergistic
hybrid
34. The ability of certain animals to regrow missing body parts
plexus
dorsal root
regeneration
niche
35. A flexible - supportive rod running longitudinally through the dorsum ventral to the nerve cord; found in lower chordates and in the embryos of vertebrates
nondisjunction
notochord
autonomic nervous system
spindle
36. A process by which the vesicle in the cell fuses with the cell membrane and releases its contents to the outside
genus
glycogen
exocytosis
nuclear membrane
37. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac
RNA
amnion
thrombokinase
enzyme
38. An organ that stores bile
isolation
gall bladder
Crustacea
root hair
39. The sac in the ovary in which the egg develops
genus
corpus luteum
progesterone
follicle
40. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin
medulla oblongata
point mutation
spindle
recessive
41. The pairing of homologous chromosomes during meiosis
lactase
spore
synapsis
hemoglobin
42. The biome located between the polar region and the tiaga
tundra
nuclear membrane
binomial nomenclature
isomer
43. The separation of homologous pairs of chromosomes following meiotic synapsis
disjunction
hermaphrodite
oxidation
ventricle
44. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body
ventricle
homozygous
femur
mesoderm
45. 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
ptyalin
biome
chloroplast
46. A starch form in animals; glucose is converted to this in the liver
pith
glycogen
epiphyte
artery
47. A colloidal system involving the dispersion of a liquid within a liquid
emulsion
nitrogen cycle
genetic code
cerebrum
48. A process by which the cytoplasm and the organelles of the cell divide; the final stage of mitosis
incomplete dominance
gylcolysis
cytokinesis
cuticle
49. A remnant of follicle after ovulation that secretes the hormone progesterone
pairing
cytoskeleton
flagellum
corpus luteum
50. The uppermost portion of pistil upon which pollen grains alight
stigma
ventricle
chorion
monocotyledon