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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. One or two or more types of genes - each representing a particular trait; many alleles exist for a specific gene locus
fertilization
allele
mutualism
nictitating membrane
2. The stable - biotic part of the ecosystem in which populations exist in balance with each other and with the environment
systole
trypsin
climax community
vein
3. The microspore of a seed plant
pollen
polymer
chromatid
myelin sheath
4. An enzyme that acts upon maltose and converts it into glucose
epiglottis
population
granum
maltase
5. The part of the nervous system that regulates the involuntary muscles - such as the walls of the alimentary canal; includes the parasympathetic and sympathetic nervous systems
medusa
antibiotic
gall bladder
autonomic nervous system
6. A nerve fiber
axon
homozygous
endemic
herbivore
7. A plant that has a single cotyledon or seed-leaf
monocotyledon
enzyme
aortic arch
ethanol fermentation
8. An anucleate red blood cell that contains hemoglobin
dimorphism
erythrocyte
gene
meninges
9. A blood vessel that carries blood away from the heart
oxidation
artery
lymph capillary
microbodies
10. A stage of embryonic development in which the embryo consists of a hollow ball of cells
exocytosis
androgen
blastula
atrium
11. An organelle that contains enzymes that aid in intracellular digestion
glycogen
anaerobe
lysosome
monosaccharide
12. The genetic makeup of an organism without regard to physical appearance
chorion
Calvin cycle
cerebral hemisphere
genotype
13. Semen
seminal fluid
dorsal root
endocrine gland
root hair
14. A grouping of neuron cell bodies that acts as a coordinating center
ganglion
permeability
NAD
metabolism
15. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water
hermaphrodite
root hair
peripheral nervous system
vitamin
16. A hydrogen carrier containing iron that functions in many cellular processes - including respiration
cytochrome
mitosis
endoderm
spiracle
17. The production of a number of different species from a single ancestral species
peptide
parathyroid
medusa
adaptive radiation
18. Daily cycles of behavior
circadian rhythms
prokaryote
climax community
Golgi apparatus
19. Requiring free oxygen from the atmosphere for normal activity and respiration
aerobic
parathyroid
genetic code
species
20. Cytoplasmic bodies within a plant cell that are often pigmented
gamete
trachea
plastid
taxonomy
21. The elimination of metabolic waster matter
hypertonic
haploid
excretion
polymer
22. The ability to respond to a stimulus
irritability
feedback mechanism
geotropism
calorie
23. A tract of nerve fibers connecting the two cerebral hemispheres
bile salts
corpus callosum
conditioning
budding
24. A group of life-maintaining processes that includes nutrition - respiration (the production of usable energy) and the synthesis and degradation of biochemical substances
metabolism
systole
Arthropoda
germ cell
25. A jellyfish
medusa
pollination
food vacuole
germ layer
26. Pertaining to a subdivision of the autonomic nervous system
atrium
adrenocorticotrophic hormone
polymorphism
sympathetic
27. The ways in which organisms regulate their supply of water
consumer
osmoregulation
Loop of Henle
endoplasm
28. The cavity between the lungs and the wall of the chest
isotonic
carbohydrate
alimentary canal
pleural cavity
29. The part of the flower that produces pollen
stamen
transpiration
cerebrum
prothrombin
30. The failure of some homologous pairs of chromosomes to separate following meiotic synapsis
nondisjunction
colon
crossing over
uterus
31. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa
epithelium
appendage
trypsin
Protista
32. Describes an organism that lives symbiotically with a host; this host neither benefits nor suffers from the association
thryoxin
granum
angiosperm
commensal
33. The mammalian oviduct that leads from the ovaries to the uterus
myelin sheath
egg
fallopian tube
gylcolysis
34. In mammals - a flap of tissue above the glottis; it folds back over the glottis in swallowing to close the air passages of the lungs; contains elastic cartilage
Krebs cycle
epiglottis
deamination
glottis
35. A small projection in the walls of the small intestine that increases the surface area available for absorption
villus
consumer
host
alimentary canal
36. The enzyme that acts upon lactose
adrenaline (epinephrin)
parathyroid
lactase
diploid
37. Protein threads that form in the blood during clotting
fibrin
pistil
glycogen
DNA
38. Describes an individual that possesses two contrasting alleles for a given trait
gibberellin
substrate
bacteriophage
heterozygous
39. Structures in the testes that produce sperm and semen
myelin sheath
seminiferous tubules
epicotyl
anaerobic
40. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)
cochlea
carbon cycle
Loop of Henle
ptyalin
41. Three membranes that envelop the brain and spinal cord (pia mater - dura mater and arachnoid)
meninges
epiglottis
lymphocyte
isolation
42. A response by an organism to the duration and timing of light and dark conditions
photoperiodism
excretion
spindle
FSH
43. A symbol that denotes the relative concentration of hydrogen ions in a solution
cortex
pH
consumer
stoma
44. A "seed leaf"; responsible for food digestion and storage in plant embryo
bacillus
cotyledon
chlorophyll
Protista
45. An abbreviation of nicotinamide-adenine-dinucleotide - also called DPN; a respiratory oxidation-reduction molecule
NAD
stamen
lymph capillary
oogenesis
46. 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
sucrase
eukaryote
alveolus
sympathetic
47. Any physical feature that prevents the ecological niches of different organisms from overlapping
nucleotide
geographical barrier
prokaryote
vacuole
48. A stalklike or elongated body part - usually pointed at one end
style
chromatin
cambium
ADH (vassopressin)
49. A mall sex hormone (e.g. - testosterone)
thymus
androgen
artery
gonads
50. A hormone that ripens fruit and induces aging
ethylene
pyloric valve
pelagic zone
epinephrine