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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. Changes in genes that are inherited
marsupial
mutation
neuron
ptyalin
2. The sensory branch of each spinal nerve
small intestine
dorsal root
linkage
incomplete dominance
3. A fat-digesting hormone
fallopian tube
lacteal
pepsin
lipase
4. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti
angiosperm
medulla
cochlea
commensal
5. A kind of microorganism that is between a virus and a bacterium; parasitic within the cells of insects and ticks
rickettsia
ecological succession
maltose
white matter
6. A response by an organism to the duration and timing of light and dark conditions
cloaca
cytochrome
photoperiodism
plasmodium
7. The veins that carry blood from the digestive organs to the liver
alternation of generations
hepatic portal system
parenchyma
buffer
8. The site of most digestion of nutrients and absorption of digested nutrients
polyp
feedback mechanism
lactase
small intestine
9. Protective immunity to a disease in which the individual produces antibodies as a result of previous exposure to the antigen
Bowman's capsule
medulla oblongata
cerebellum
active immunity
10. A purine (nitrogenous base) component of nucleotides and nucleic acids; links with cytosine in DNA
deamination
guanine
nerve net
bile salts
11. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male
osmosis
contractile vacuole
cyton
sex chromosome
12. 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)
nucleotide
cytochrome
buffer
symbiosis
13. The movement of particles from one place to another as a result of their random motion
Loop of Henle
diffusion
synapsis
cuticle
14. An animal phylum in which all members have a notochord - dorsal nerve cord and pharyngeal gill slits at some embryonic stage; includes the Cephalochordata and the Vertebrates
bacillus
Crustacea
Chordata
coenzyme
15. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers
nuclear membrane
Graffian follicle
taiga
mucosa
16. One of the two strands that constitute a chromosome; chromatids are held together by the centromere
aerobic
chromatid
estrogen
germ cell
17. The uppermost portion of pistil upon which pollen grains alight
plexus
stigma
thyroid
centriole
18. A green pigment that performs essential functions as an electron donor and light "entrapper" in photosynthesis
deoxyribose
seminal fluid
chlorophyll
respiration
19. A large class of arthropods - including crabs and lobsters
chorion
Crustacea
carapace
morula
20. The creation of certain strains of specific traits through control of breeding
hyperthyroidism
permeability
selective breeding
parthenogenesis
21. Organelles that serve as specialized containers for metabolic reactions
endosperm
exocrine
vein
microbodies
22. Fluid in the eye - found between the cornea and the lens
aqueous humor
synapsis
plasma membrane
villus
23. Describes an individual that has the same gene for the same trait on each homologous chromosome
hepatic portal system
trachea
homozygous
pyloric valve
24. Deoxyribonucleic acid; found in cell nucleus - its basic unit is the nucleotide; contains coded genetic information; can replicate on the basis of heredity
sporophyte
DNA
femur
independent assortment
25. One of a group of compounds that is identical in a atomic composition - but different in structure and arrangement
cerebral hemisphere
pollen
vitamin
isomer
26. In mammals - the slitlike opening formed by the vocal folds in the larynx
pyrimidine
metabolism
glottis
pathogen
27. The inner part of the adrenal gland that secretes adrenalin
ventral root
adrenal medulla
imprinting
cuticle
28. Bacteria that are rod shaped
bacillus
cytoskeleton
frame shift mutation
aerobic
29. A mass of cells that have similar structures and perform similar functions
lactid acid fermentation
commensal
tissue
primary oocyte
30. A substance that is acted upon by an enzyme
substrate
organelle
isolation
maltose
31. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine
chloroplast
autotroph
uracil
Rh factor
32. Living or active in the absence of free oxygen; pertaining to respiration that is independent of oxygen
hydrostatic skeleton
thermoregulation
spore
anaerobic
33. The thigh bone of vertebrates
lymph
reduction
femur
parthenogenesis
34. The part of the body of an animal that is between the neck or head and the abdomen
physiology
thorax
alimentary canal
central nervous system
35. A pyrimidine component of nucleic acids and nucleotides; pairs with adenine in DNA
esophagus
thymine
corpus luteum
insulin
36. Living - as in living organisms in the environment
oogenesis
corpus luteum
biotic
biome
37. A dense fluid within the chloroplast in which CO2 is converted into sugars in photosynthesis
adrenocorticotrophic hormone
adrenal cortex
cytokinesis
stroma
38. A space in the body
pistil
epididymis
sinus
urinary bladder
39. Membranous organelles involved in the storage and modification of secretory products
uterus
glottis
Golgi apparatus
gall bladder
40. Cytoplasmic organelles that serve as sites of respiration; a rod-shaped body in the cytoplasm known to be the center of cellular respiration
myelin sheath
mitochondria
bud
artery
41. A structure formed by the wall of the uterus and the chorion of the embryo; serves as the area in which the embryo obtains nutrition from the parent
placenta
nucleolus
cross-pollination
inversion
42. A resistance to disease produced through the injection of antibodies
ptyalin
passive immunity
pyloric valve
cochlea
43. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence
phagocyte
olfactory
niche
gill slit
44. The hindbrain region that controls equilibrium and muscular coordination
epidermis
secondary tissue
cerebellum
guard cell
45. A tract of nerve fibers connecting the two cerebral hemispheres
flagellum
corpus callosum
sporophyte
pineal body
46. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)
carapace
NAD
metabolism
pituitary
47. The phylum to which jointed-legged invertebrates belong - including insects - arachnids and crustaceans
exocrine
Arthropoda
Krebs cycle
phenotype
48. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa
Protista
commensal
sporophyte
homozygous
49. A sensory organ capable of detecting light
isolation
eye
lysosome
abiotic
50. A nerve cell
excretion
root hair
Eustachian tube
neuron