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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 pyrimidine found in RNA (but not DNA); pairs with DNA adenine
hormone
uracil
gametophyte
taiga
2. 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
corpus callosum
iris
Porifera
isolation
3. The transfer of pollen from the stamen to the pistil of the same flower
monohybrid
mutualism
self-pollination
planaria
4. The male gonads that produce sperm and male hormones
nerve net
parasitism
genetic drift
testes
5. A chemical action that releases energy from glucose to form ATP
dimorphism
respiration
sex linkage
centrosome
6. The part of the male reproductive organ (the stamen) that produces and stores pollen
anther
cerebellum
xylem
Krebs cycle
7. The swelling at the end of an axon
erythrocyte
synaptic terminal
wood
primary spermatocyte
8. A symbiotic relationship from which both organisms involved derive some benefit
pyrimidine
autotroph
mutualism
sympathetic
9. The female gonad in animals; the base of the pistil in plants
endosperm
ovary
recessive
translation
10. The association of physical - visceral response with an environmental stimulus with which it is not naturally associated; a learned response
interphase
myelin sheath
conditioning
hypocoytl
11. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles
adrenaline (epinephrin)
vagus nerve
ectoderm
flagellate
12. The physical appearance or makeup of an individual - as opposed to its genetic makeup
phenotype
dihybrid
aldosterone
pharynx
13. The description of a plant life cycle that consists of a diploid - asexual - sporophyte generation and a haploid - sexual - gametrophyte generation
anther
medulla oblongata
alternation of generations
hormone
14. Relating to the lung
anther
medulla
functional groups
pulmonary
15. The coiled part of the sperm duct - adjacent to the testes in mammals
epididymis
lymphocyte
lysosome
cytochrome
16. The exchange of parts of homologous chromosomes during meiosis
micron (micrometer)
carbon cycle
aerobe
crossing over
17. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations
mutagenic agent
meiosis
fitness
aqueous humor
18. The chamber in the alimentary canal of certain vertebrates located below the large intestine - into which the ureter and reproductive organs empty (as in frogs)
gene
cloaca
parasympathetic
alimentary canal
19. Membranous organelles involved in the storage and modification of secretory products
Golgi apparatus
sex chromosome
exocytosis
Chordata
20. Cytoplasmic bodies within a plant cell that are often pigmented
inner ear
aldosterone
contractile vacuole
plastid
21. The transfer of pollen to the micropyle or to a receptive surface that is associated with an ovule (such as stigma)
pollination
pupil
Arachnida
phototropism
22. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males
DNA
FSH
thryoxin
urea
23. The transfer of a piece of chromosome to another chromosome
heterozygous
hydrostatic skeleton
translocation
chromatid
24. The part of the alimentary canal between the mouth and the esophagus
vein
neural tube
pharynx
epidermis
25. A mature ovary
synapsis
fruit
polymorphism
aerobic
26. Passively floating or drifting flora and fauna of a body of water; consists mainly of microscopic organisms
nondisjunction
plankton
fruit
nerve cord
27. The type of mating that occurs when an organism selects a mating partner that resembles itself
geotropism
polymer
chromatid
assortative mating
28. A waxy protective layer secreted by the outer surface of plants - insects - etcetera
sex linkage
feedback mechanism
cuticle
ethylene
29. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development
crossing over
gill slit
amnion
polymer
30. The production of a number of different species from a single ancestral species
adaptive radiation
steroid
stoma
hyperthyroidism
31. Pertaining to a restricted locality; ecologically - occurring only in one particular region
cleavage
corpus callosum
crossing over
endemic
32. The haploid - sexual stage in the life cycle of plants
adrenal medulla
gametophyte
peripheral nervous system
sympathetic
33. An ion with a positive charge - or an ion that migrates towards the cathode (negative electrode) in an electric field
enzyme
diffusion
cation
pathogen
34. Chemical groups attached to carbon skeletons that give compounds their functionality
guanine
central nervous system
malpighian tubules
functional groups
35. A hormone that ripens fruit and induces aging
ethylene
taxonomy
polysaccharide
regeneration
36. A category of taxonomic classification that is ranked above class and under kingdoms
nucleus
sex linkage
dorsal root
phylum
37. An organic compound to which hydrogen and oxygen are attached; the hydrogen and oxygen are in a 2:1 ratio; examples include sugars - starches and cellulose
carbohydrate
genus
ethylene
phylum
38. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers
pineal body
taiga
alimentary canal
passive immunity
39. A structure of the eye that focuses images on the retina by changing its convexity
pathogen
bile salts
lens
homologous
40. A process by which the cell membrane is invaginated to form a vesicle which contains extracellular medium
cell wall plate
endocytosis
peristalsis
synergistic
41. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin
gibberellin
Arachnida
somatic cell
pineal body
42. 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
pH
prothrombin
population
epithelium
43. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome
plexus
smooth muscle
rickettsia
gene
44. A complex carrier mechanism located on the inside of the inner mitochondrial membrane of the cell; releases energy and is used to form ATP
functional groups
electron transport chain
gamete
substrate
45. One-thousandth of a millimeter; a unit of microscopic length
Golgi apparatus
pathogen
micron (micrometer)
dimorphism
46. A stalklike or elongated body part - usually pointed at one end
style
oviduct
taxonomy
pseudopod
47. Bacteria that are rod shaped
cytosine
fibrinogen
assimilation
bacillus
48. Daily cycles of behavior
cleavage
circadian rhythms
DNA
corpus callosum
49. Any physical feature that prevents the ecological niches of different organisms from overlapping
geographical barrier
sporophyte
asexual reproduction
alimentary canal
50. The microspore of a seed plant
isotonic
pheromone
stroma
pollen