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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. Unicellular organism with simple cell structure
prokaryote
buffer
chemosynthesis
eye
2. A form of anaerobic respiration found in yeast and bacteria
ethanol fermentation
littoral zone
ecological succession
cortex
3. A form of asexual reproduction in which the egg develops in the absence of sperm
fermentation
parthenogenesis
anaerobic
pyloric valve
4. The hindbrain region that controls equilibrium and muscular coordination
trypsin
thermoregulation
cerebellum
pH
5. The ability to respond to a stimulus
lipase
ilium
irritability
gamete
6. A nitrogenous base such as adenine or guanine; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
species
coelom
purine
alternation of generations
7. A large molecule that is composed of many similar molecule units
incomplete dominance
Mendelian laws
sphincter
polymer
8. An undifferentiated - growing region of a plant that is constantly undergoing cell division and differentiation
meristem
nondisjunction
gastrula
placenta
9. Pertaining to a subdivision of the autonomic nervous system of vertebrates
villus
parasympathetic
small intestine
carbohydrate
10. A hydrogen carrier containing iron that functions in many cellular processes - including respiration
cytochrome
autosome
parasitism
contractile vacuole
11. A network or mesh of fibrils - fibers or filaments
inversion
pheromone
reticulum
rhizome
12. The outer layer of cerebral hemispheres in the forebrain - consisting of gray matter
cerebral cortex
duodenum
goiter
cretinism
13. Describes arthropods and other animals whose skeletal or supporting structures are outside the skin
eukaryote
nitrogen cycle
exoskeleton
gall bladder
14. One-thousandth of a millimeter; a unit of microscopic length
cone
reticulum
coenzyme
micron (micrometer)
15. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac
esophagus
cretinism
amnion
pituitary
16. The physical appearance or makeup of an individual - as opposed to its genetic makeup
olfactory
pH
cephalic
phenotype
17. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin
spindle
glycogen
pupil
olfactory
18. In mammals - the slitlike opening formed by the vocal folds in the larynx
anaphase
aldosterone
glottis
exocrine
19. A complex carrier mechanism located on the inside of the inner mitochondrial membrane of the cell; releases energy and is used to form ATP
consumer
biotic
electron transport chain
micron (micrometer)
20. One of the two strands that constitute a chromosome; chromatids are held together by the centromere
pollen
bacteriophage
mutualism
chromatid
21. The thin - bent part of the renal tubule that is the site of the counter-current flow and the sodium gradient
pith
Loop of Henle
bile salts
epicotyl
22. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome
lipid
systole
lysosome
gene
23. An organism that is heterozygous for two different traits
aerobe
notochord
dihybrid
pedigree
24. Any cell capable of ingesting another cell
phagocyte
parthenogenesis
Protista
pollen
25. Any movement or growth of a living organism in response to the force of gravity
flagellum
follicle
ilium
geotropism
26. Occurs when certain traits are determined by genes on sex chromosomes
gall bladder
sex linkage
phylum
maltase
27. The breeding of an organism with a homozygous recessive in order to determine whether an organism is homozygous dominant or heterozygous dominant for a given trait
test cross
prothrombin
stoma
polymer
28. The part of the body of an animal that is between the neck or head and the abdomen
pineal body
esophagus
imprinting
thorax
29. The biome located between the polar region and the tiaga
ethanol fermentation
sympathetic
tundra
germ cell
30. A thyroid deficiency that results in stunted growth and feeblemindedness
cretinism
goiter
Mendelian laws
phloem
31. The enzyme released from the blood platelets in vertebrates during clotting
thrombokinase
auxin
cross-pollination
nerve
32. A hormone that ripens fruit and induces aging
ethylene
pelagic zone
littoral zone
glycogen
33. Describes an individual that possesses two contrasting alleles for a given trait
angiosperm
substrate
heterozygous
diploid
34. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body
geographical barrier
spiracle
cerebral hemisphere
ventricle
35. A process by which the vesicle in the cell fuses with the cell membrane and releases its contents to the outside
monocotyledon
phylogeny
exocytosis
angiosperm
36. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti
pistil
monohybrid
cochlea
chloroplast
37. Vascular tissue of the plant that aids in support and carries water
seminal fluid
polymer
xylem
DNA
38. Encompasses the brain and the spinal cord
independent assortment
cytoplasm
bile salts
central nervous system
39. The process of forming the sperm cells from primary spermatocytes
spermatogenesis
sex chromosome
gene
food vacuole
40. One of the paired lateral divisions of the forebrain
urea
consumer
parasympathetic
cerebral hemisphere
41. The vascular tissue of a plant that transports organic materials (photosynthetic products) from the leaves to other parts of the plant
nuclear membrane
phloem
sphincter
maltase
42. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles
nictitating membrane
Krebs cycle
adrenaline (epinephrin)
host
43. An organism that does not require free oxygen in order to respire
acetylcholine
anaerobe
pyrimidine
incomplete dominance
44. Refers to protective covering
thrombin
goiter
integument
olfactory
45. 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
epiglottis
antigen
chemotropism
cloaca
46. Secreted by the anterior pituitary gland - this hormone stimulates the conversion of a follicle into the corpus luteum and the secretion of progesterone by the corpus luteum
luteinizing hormone (LH)
secondary tissue
goiter
regeneration
47. Protective immunity to a disease in which the individual produces antibodies as a result of previous exposure to the antigen
irritability
active immunity
hyperthyroidism
nerve cord
48. An enzyme that acts upon sucrose
chromatin
F2
sucrase
pollination
49. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development
gill slit
trachea
Loop of Henle
independent assortment
50. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells
isotonic
cerebrum
medulla oblongata
flagellum