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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. Describes an individual that has the same gene for the same trait on each homologous chromosome
homozygous
meiosis
synergistic
dimorphism
2. Describes an individual that possesses two contrasting alleles for a given trait
urine
prokaryote
heterozygous
zygote
3. A bone of the upper arm
polyp
humerus
corpus luteum
binary fission
4. Related to the sense of smell
chloroplast
malpighian tubules
olfactory
prophase
5. A flexible - supportive rod running longitudinally through the dorsum ventral to the nerve cord; found in lower chordates and in the embryos of vertebrates
plastid
notochord
nephron
legume
6. The thigh bone of vertebrates
genotype
pistil
cation
femur
7. A nuclear protein of chromosomes that stains readily
ventral root
telophase
centriole
chromatin
8. Describes an organism that lives symbiotically with a host; this host neither benefits nor suffers from the association
diffusion
niche
chorion
commensal
9. Protein threads that form in the blood during clotting
oviduct
larva
fibrin
ventral root
10. The study of organisms in relation to their environment
ecology
follicle
hydrostatic skeleton
genetic drift
11. The genetic makeup of an organism without regard to physical appearance
cephalic
platelet
Protista
genotype
12. An antigen in blood; can cause erythroblastosis fetalis when the mother is Rh- and the fetus is Rh+
stroma
excretion
lacteal
Rh factor
13. A change from a diploid nucleus to a haploid nucleus - as in meiosis
cerebellum
reduction
stamen
urea
14. Describes structures that have similar function but different evolutionary origins; e.g. - a bird's wing and a moth's wing
analogous
systole
amnion
alveolus
15. The veins that carry blood from the digestive organs to the liver
absorption
hepatic portal system
linkage
cuticle
16. Living - as in living organisms in the environment
autolysis
biotic
chloroplast
diencephalon
17. One of a group of compounds that is identical in a atomic composition - but different in structure and arrangement
Crustacea
Golgi apparatus
fertilization
isomer
18. The enzyme released from the blood platelets in vertebrates during clotting
homologous
legume
thrombokinase
consumer
19. A dense fluid within the chloroplast in which CO2 is converted into sugars in photosynthesis
urine
cyton
stroma
lysosome
20. The individual differences of form among the members of a species
fruit
peptide
polymorphism
taiga
21. The intake of food from the environment into the alimentary canal
ingestion
haploid
adrenal medulla
hyperthyroidism
22. A behavioral or biological change that enables an organism to adjust to its environment
genetic drift
adaptation
parasympathetic
pituitary
23. A neuron that picks up impulses from receptors and transmits them to the spinal cord
polyp
polar body
sensory neuron
Coelentrata
24. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea
peptide
polyp
dihybrid
passive immunity
25. Pertains to a gene or characteristic that is masked when a dominant allele is present
cortex
selective breeding
recessive
cerebellum
26. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development
atrium
corpus callosum
gill slit
adaptation
27. The phylum of sponges
root hair
Porifera
antibiotic
F1
28. Pertaining to the head
chitin
malpighian tubules
turgor pressure
cephalic
29. The orientation of cells or organisms in relation to chemical stimuli; the growth or movement response of organisms to chemical stimuli
adrenal medulla
phylogeny
chemotropism
exocrine
30. Membranous organelles involved in the storage and modification of secretory products
analogous
egg
Golgi apparatus
aerobe
31. The science of classification of living things
epididymis
taxonomy
meiosis
FSH
32. A 12-carbon sugar that is formed by the union of two glucose units (a disaccharide)
lipase
niche
exoskeleton
maltose
33. A duct that carries urine from the kidneys to the bladder
villus
ureter
cytochrome
epithelium
34. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)
flagellum
mutualism
carapace
micron (micrometer)
35. 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
lens
pathogen
disaccharide
36. A form of anaerobic respiration found in yeast and bacteria
ethanol fermentation
stamen
sympathetic
thrombokinase
37. Organism that produces its own food; first stage in the food chain
hemoglobin
coelom
producer
isotonic
38. Usually referred to as ACTH and secreted by the anterior lobe of the pituitary gland; stimulates the adrenal cortex to produce its characteristic hormones
hypocoytl
ecology
vestigial organ
adrenocorticotrophic hormone
39. The elimination of metabolic waster matter
excretion
nitrogen cycle
carapace
genotype
40. A unit of heat; the amount of heat required to raise the temperature of one gram of water by one degree centigrade
yolk sac
calorie
heterozygous
secondary tissue
41. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections
crossing over
epithelium
gray matter
bacteriophage
42. A substance that participates in the clotting of blood in vertebrates
chromatin
plankton
thrombin
lipase
43. An undifferentiated - growing region of a plant that is constantly undergoing cell division and differentiation
meristem
guanine
luteinizing hormone (LH)
iris
44. The separation of some members of a population from the rest of their species; prevents interbreeding and may lead to the development of a new species
hypocoytl
isolation
progesterone
small intestine
45. The type of mating that occurs when an organism selects a mating partner that resembles itself
stoma
marsupial
assortative mating
parasitism
46. The removal of an amino group from an organism - particularly from an amino acid
deamination
urea
incomplete dominance
interstitial cells
47. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac
amnion
phloem
sensory neuron
nerve cord
48. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added
reduction
artery
cochlea
buffer
49. One of a class of organic compounds that is composed of many amino acids; contains C - H - O and N
protein
adenosine phosphate
seminal fluid
cleavage
50. Any physical feature that prevents the ecological niches of different organisms from overlapping
nucleotide
geographical barrier
anaerobic
circadian rhythms