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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 multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm
fruit
nerve net
Rh factor
corpus luteum
2. A marine biome typical of the open seas
pelagic zone
aortic arch
parasympathetic
endocytosis
3. A structure of the eye that focuses images on the retina by changing its convexity
capillary
lens
cerebrum
hypotonic
4. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti
micron (micrometer)
hydrostatic skeleton
cochlea
anaerobe
5. In mammals - the slitlike opening formed by the vocal folds in the larynx
biome
glottis
granum
sinus
6. A structure that extends from the trunk of an organism and is capable of active movements
appendage
homeotherm
sex chromosome
pineal body
7. Pertaining to the head
amnion
eye
stoma
cephalic
8. The failure of some homologous pairs of chromosomes to separate following meiotic synapsis
ingestion
nondisjunction
pepsin
fruit
9. An association of homologous chromosomes during the first meiotic division
pairing
geographical barrier
symbiosis
integument
10. The innermost embryonic germ layer that gives rise to the lining of the alimentary canal and to the digestive and respiratory organs
urinary bladder
protein
lactase
endoderm
11. The enzyme that acts upon lactose
hypocoytl
myelin sheath
alternation of generations
lactase
12. Refers to protective covering
thrombokinase
selective breeding
integument
gastrula
13. The veins that carry blood from the digestive organs to the liver
irritability
hepatic portal system
chloroplast
platelet
14. A space in the body
sinus
malleus
host
Crustacea
15. The removal of an amino group from an organism - particularly from an amino acid
lysosome
deamination
herbivore
somatic cell
16. A grouping of neuron cell bodies that acts as a coordinating center
ganglion
medusa
Porifera
sensory neuron
17. Agent that induces mutations; typically carcinogenic
cell wall plate
endocytosis
mutagenic agent
differentation
18. Fluid in the eye - found between the cornea and the lens
sensory neuron
hormone
aqueous humor
purine
19. The thin - bent part of the renal tubule that is the site of the counter-current flow and the sodium gradient
ADH (vassopressin)
Loop of Henle
macula
small intestine
20. 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
hormone
aldosterone
monocotyledon
nephron
21. A hormonal secretion of the adrenal cortex
passive immunity
cortisone
medulla oblongata
glycogen
22. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron
oviduct
dominance
isotonic
synapse
23. The sensory branch of each spinal nerve
dorsal root
ventral root
genus
epiglottis
24. An organism that requires oxygen for respiration and can live only in the presence of oxygen
exocrine
aerobe
chromosome
endoplasm
25. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females
independent assortment
dimorphism
chyme
peristalsis
26. The place of attachment of the mitotic fiber to the chromosome
centromere
meninges
follicle
imprinting
27. A period in the development of animals between the embryo and adult stages; starts at hatching and ends in metamorphasis
placenta
microbodies
larva
assimilation
28. An organ that is not functional in an organism - but was functional at some period in its evolution
gall bladder
metabolism
vestigial organ
selective breeding
29. Living - as in living organisms in the environment
lipase
micron (micrometer)
selective breeding
biotic
30. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males
gonads
cleavage
pharynx
FSH
31. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells
point mutation
Mendelian laws
flagellum
circadian rhythms
32. 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
spermatogenesis
autosome
alveolus
biome
33. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine
epinephrine
amnion
uracil
lactase
34. A sensory organ capable of detecting light
luteinizing hormone (LH)
eye
corpus callosum
pelagic zone
35. The fluid that remains after fibrinogen is removed from the blood plasma of vertebrates
endoplasm
serum
macula
aqueous humor
36. A cell that divides to form the polar body and the secondary oocyte
nictitating membrane
primary oocyte
neural tube
point mutation
37. Technology that allows for manipulation of genetic material
platelet
cloaca
recombinant DNA technology
cretinism
38. Comprises somatic and autonomic nervous systems; consists of cranial nerves and spinal nerves
pons
peripheral nervous system
chemosynthesis
pharynx
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
hemoglobin
self-pollination
prothrombin
nephron
40. Compounds in bile that aid in emulsification
mutagenic agent
pH
ganglion
bile salts
41. Relating to the lung
epiglottis
vacuole
pulmonary
linkage
42. Part of the nephron in the kidney; involved in excretion
43. A flesh-eating animal; a holotrophic animal that subsists on other animals or parts of animals
NAD
follicle
carnivore
pharynx
44. One of the primary tissues of the embryo
deletion
peptide
Chordata
germ layer
45. A unit of heat; the amount of heat required to raise the temperature of one gram of water by one degree centigrade
primary oocyte
polysaccharide
thymine
calorie
46. A symbiotic relationship from which both organisms involved derive some benefit
root hair
stigma
mutualism
coenzyme
47. The recycling of carbon from decaying organisms for use in future generations
parenchyma
carbon cycle
bud
anaerobic
48. 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
Crustacea
auxin
thymine
49. The outer - transparent layer of the eye
cornea
genus
gene
pyloric valve
50. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added
buffer
lymph
carapace
pituitary