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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. Agent that induces mutations; typically carcinogenic
mutagenic agent
peptide
hemoglobin
amnion
2. A condition in which an organism may have a multiple of the normal number of chromosomes (4n - 6n - etc)
thrombin
endoplasm
guanine
polyploidy
3. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome
synapse
gene
vagus nerve
translocation
4. A unit of heat; the amount of heat required to raise the temperature of one gram of water by one degree centigrade
pulmonary
ventricle
calorie
myelin sheath
5. The liquid part of blood
axon
vagus nerve
plasma
protein
6. A mall sex hormone (e.g. - testosterone)
Graffian follicle
androgen
lipid
stroma
7. An organ centrally involved in the human digestive system
polymer
alimentary canal
endocrine gland
thryoxin
8. A jellyfish
egg
chemosynthesis
medusa
vein
9. A process of cell division whereby each daughter cell receives only one set of chromosomes; the formation of gametes
feedback mechanism
plastid
meiosis
translocation
10. An organelle that contains enzymes that aid in intracellular digestion
lysosome
style
micron (micrometer)
nephron
11. Occurs when certain traits are determined by genes on sex chromosomes
protein
sex linkage
sympathetic
adrenocorticotrophic hormone
12. Cells which in the female are located between the ovarian follicles and in the male are located between the seminiferous tubules of the testes
cerebral cortex
taiga
bile
interstitial cells
13. A plant that has a single cotyledon or seed-leaf
conditioning
feedback mechanism
monocotyledon
trilobite
14. An antipathogenic substance (e.g. - penicillin)
thrombokinase
antibiotic
nondisjunction
physiology
15. The pigment in rod cells that causes light sensitivity
rod
rhodopsin
isolation
thrombokinase
16. The fluid that remains after fibrinogen is removed from the blood plasma of vertebrates
serum
adrenocorticotrophic hormone
thoracic duct
meninges
17. Laws of classical genetics established through Mendel's experiments with peas
trilobite
fitness
Mendelian laws
eye
18. A flexible - supportive rod running longitudinally through the dorsum ventral to the nerve cord; found in lower chordates and in the embryos of vertebrates
notochord
hormone
heterozygous
stamen
19. The coiled part of the sperm duct - adjacent to the testes in mammals
aorta
epididymis
cleavage
hypertonic
20. An offspring that is heterozygous for one or more gene pairs
metabolism
neuron
hybrid
germ cell
21. The law by which genes on different chromosomes are inherited independently of each other
independent assortment
synapse
Coelentrata
ecology
22. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers
Loop of Henle
taiga
ethylene
hepatic portal system
23. The intake of fluid droplets into a cell
gill slit
ecological succession
pinocytosis
marsupial
24. The veins that carry blood from the digestive organs to the liver
geographical barrier
insulin
recombinant DNA technology
hepatic portal system
25. A tube connecting the ovaries and the uterus
planaria
oviduct
cerebral hemisphere
lymph
26. The study of all living processes - activities and functions
physiology
cytoskeleton
urea
axon
27. A "seed leaf"; responsible for food digestion and storage in plant embryo
thymine
goiter
cotyledon
tissue
28. 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
prothrombin
umbilicus
host
synapse
29. The outer layer of cerebral hemispheres in the forebrain - consisting of gray matter
cerebral cortex
polymer
oxidation
turgor pressure
30. Hormone active in osmoregulation; a mineral corticoid produced by the adrenal cortex; stimulates reabsorption of Na+ and secretion of K+
pathogen
FSH
aldosterone
hypotonic
31. Pertaining to a restricted locality; ecologically - occurring only in one particular region
glomerulus
endemic
endosperm
disjunction
32. The organelle that provides mechanical support and carries out motility functions for the cell
lymphocyte
fibrinogen
transpiration
cytoskeleton
33. An ion with a positive charge - or an ion that migrates towards the cathode (negative electrode) in an electric field
cortex
cation
transcription
taiga
34. The site of most digestion of nutrients and absorption of digested nutrients
mesoderm
phloem
fallopian tube
small intestine
35. A thyroid deficiency that results in stunted growth and feeblemindedness
guard cell
calorie
epidermis
cretinism
36. A fat-digesting hormone
ecological succession
lipase
enzyme
homeotherm
37. Three membranes that envelop the brain and spinal cord (pia mater - dura mater and arachnoid)
sphincter
hermaphrodite
meninges
peristalsis
38. Describes a fluid that has a higher osmotic pressure than another fluid it is compared to
endosperm
hypertonic
hybrid
interphase
39. The anaerobic respiration of carbohydrates
flagellum
plastid
gylcolysis
macula
40. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti
cochlea
fruit
cation
polymer
41. Substance secreted by organisms that influences the behavior of other members of the same species
colon
adrenal medulla
pathogen
pheromone
42. Relating to the lung
pulmonary
polysaccharide
spindle
frame shift mutation
43. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development
NADP
gill slit
Eustachian tube
cerebellum
44. A purine (nitrogenous base) component of nucleotides and nucleic acids; links with cytosine in DNA
Coelentrata
pleural cavity
guanine
epiglottis
45. The final stages of protein synthesis in which the genetic code of nucleotide sequences is translated into a sequences of amino acids
adrenocorticotrophic hormone
NAD
translation
parthenogenesis
46. 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
anther
duodenum
chitin
taiga
47. A reproductive cell
germ cell
taxonomy
disjunction
fertilization
48. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added
pinocytosis
buffer
dicotyledon
glomerulus
49. Fluid in the eye - found between the cornea and the lens
aqueous humor
lichen
abiotic
lymph capillary
50. Describes an individual that possesses two contrasting alleles for a given trait
phototropism
flagellum
follicle
heterozygous