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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 small granular body within the centrosome to which the spindle fibers attach
crossing over
rod
bacteriophage
centriole
2. Semen
anaphase
insulin
ADH (vassopressin)
seminal fluid
3. The phylum of sponges
adaptive radiation
polymer
functional groups
Porifera
4. The outermost surface of an organism
aortic arch
parenchyma
glomerulus
epidermis
5. The basal branch of each spinal nerve; carries motor neurons
glycogen
plasma membrane
absorption
ventral root
6. Plant tissue consisting of large thin-walled cells for storage
F2
rod
parenchyma
neural tube
7. An organic molecule consisting of joined phosphate - 5-carbon sugar (deoxyribose or ribose) - and a purine or a pyrimidine (adenine - guanine - uracil - thymine or cytosine)
mesoderm
biotic
nucleotide
pulmonary
8. A cell in the retina that is sensitive to colors and is responsible for color vision
circadian rhythms
autotroph
systole
cone
9. The intake of fluid droplets into a cell
antibiotic
eukaryote
pinocytosis
bile
10. An emulsifying agent secreted by the liver
thorax
gastrula
nerve
bile
11. An antigen in blood; can cause erythroblastosis fetalis when the mother is Rh- and the fetus is Rh+
Rh factor
spermatogenesis
thymine
adrenocorticotrophic hormone
12. The movement of particles from one place to another as a result of their random motion
sinus
diffusion
gene frequency
excretion
13. The space between the mesodermal layers that forms the body cavity of some animal phyla
luteinizing hormone (LH)
corpus callosum
coelom
uracil
14. The area of medulla that regulates the rate of breathing
nondisjunction
rod
cephalic
respiratory center
15. A specialized structure that leads to the digestive tract of a developing organism and provides it with food during early development
stoma
adaptive radiation
herbivore
yolk sac
16. A space in the body
autotroph
mitochondria
bile salts
sinus
17. The anaerobic respiration of carbohydrates
epididymis
prokaryote
glottis
gylcolysis
18. 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
villus
adrenal cortex
genetic code
root hair
19. The part of the flower that produces pollen
stamen
guanine
lactase
neuron
20. A stage of embryonic development characterized by the differentiation of the cells into the ectoderm and endoderm germ layers and by the formation of the archenteron
gastrula
placenta
inversion
chlorophyll
21. The ability of certain animals to regrow missing body parts
point mutation
translation
regeneration
thymus
22. Blood vessels located between ascending and descending aortas that deliver blood to most of the upper body
lipid
aortic arch
esophagus
micron (micrometer)
23. A stalklike or elongated body part - usually pointed at one end
style
climax community
bacillus
epinephrine
24. The womb in which the fetus develops
cornea
uterus
axon
ventral root
25. The place of attachment of the mitotic fiber to the chromosome
gametophyte
parenchyma
centromere
osmosis
26. An endocrine gland located in the neck that produces thyroxin
endocrine gland
plexus
corpus luteum
thyroid
27. An invertebrate animal phylum in which animals possess a single alimentary opening and tentacles with stinging cells
Coelentrata
substrate
climax community
oviduct
28. 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
hemoglobin
alveolus
homologous
prophase
29. A process of photosynthesis in which water is split into H+ and OH-; the hydrogen ion is then joined to NADP
pinocytosis
aorta
gymnosperm
photolysis
30. A chemical messenger that is secreted by one part of the body and carried by the blood to affect another part of the body - usually a muscle or gland
interphase
hormone
turgor pressure
auxin
31. A complex carrier mechanism located on the inside of the inner mitochondrial membrane of the cell; releases energy and is used to form ATP
vitamin
photoperiodism
F2
electron transport chain
32. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")
Calvin cycle
mitochondria
antigen
respiratory center
33. The orderly process by which one biotic community replaces another until a climax community is established
ecological succession
glomerulus
lymph
corpus luteum
34. A hoofed animal
ungulate
FSH
monohybrid
lymphocyte
35. The stable - biotic part of the ecosystem in which populations exist in balance with each other and with the environment
reduction
autotroph
hypothalamus
climax community
36. A blood clot that is formed within a blood vessel
aldosterone
villus
luteinizing hormone (LH)
embolus
37. A hormone of the thyroid that regulates basal metabolism
acetylcholine
thryoxin
fitness
centriole
38. The reproductive organ that produces sex cells
budding
Porifera
pseudopod
gonads
39. A constituent of the plasma of the blood of vertebrates; it is converted to thrombin by thrombokinase in the presence of calcium ions - thus contributing to the clotting of blood
ecology
parasympathetic
Rh factor
prothrombin
40. A cell in the retina that is sensitive to weak light
lipase
nephron
rod
appendage
41. The ways in which organisms regulate their supply of water
plasma
micron (micrometer)
osmoregulation
permeability
42. A ring-shaped muscle that is capable of closing a tubular opening by constriction
excretion
hyperthyroidism
pupil
sphincter
43. An association of homologous chromosomes during the first meiotic division
alveolus
pairing
producer
antibody
44. The ourter part of the adrenal gland that secretes many hormones - including cortisone and aldosterone
meristem
thermoregulation
adrenal cortex
population
45. A white or colorless - amorphous - horny substance that forms part of the outer integument of insects - crustaceans and some other invertebrates; it also occurs in certain fungi
chitin
synergistic
epiphyte
Protista
46. The innermost embryonic germ layer that gives rise to the lining of the alimentary canal and to the digestive and respiratory organs
carbon cycle
sporophyte
endoderm
Bowman's capsule
47. Fluid in the eye - found between the cornea and the lens
aqueous humor
genotype
plasma
spindle
48. The dorsal part of the hip girdle
gray matter
ilium
appendage
thymus
49. Bacteria that are rod shaped
bacillus
morula
femur
adrenal medulla
50. The recycling of carbon from decaying organisms for use in future generations
cerebrum
granum
carbon cycle
gamete