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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. Blood protein that is transformed to fibrin upon clotting
epidermis
Krebs cycle
fibrinogen
monohybrid
2. Organelles that serve as specialized containers for metabolic reactions
microbodies
micron (micrometer)
plasma membrane
medulla
3. A cell in the retina that is sensitive to colors and is responsible for color vision
endoderm
cone
ganglion
transpiration
4. Agent that induces mutations; typically carcinogenic
iris
cation
mutagenic agent
epiphyte
5. A tube one cell thick that carries blood from artery to vein; the site of material exchange between the blood and tissues of the body
littoral zone
capillary
steroid
chemotropism
6. Degree of penetrability - as in membranes that allow given substances to pass through; the ability to penetrate
population
permeability
genetic code
insulin
7. Vascular tissue of the plant that aids in support and carries water
xylem
taiga
hypothalamus
vein
8. The largest artery; carries blood from the left ventricle
aorta
gene frequency
pith
parthenogenesis
9. A disease-causing organism
pathogen
ptyalin
niche
flagellum
10. The process by which environmental patterns or objects presented to a developing organism during a "critical period" of its growth is accepted as a permanent element of its behavior
reduction
cornea
iris
imprinting
11. Encompasses the brain and the spinal cord
hermaphrodite
central nervous system
humerus
exocytosis
12. A white or colorless - amorphous - horny substance that forms part of the outer integument of insects - crustaceans and some other invertebrates; it also occurs in certain fungi
vagus nerve
cerebellum
chitin
deletion
13. The fusion of sperm and the egg to produce a zygote
digestion
aerobic
budding
fertilization
14. A symbiotic relationship from which both organisms involved derive some benefit
flagellate
mutualism
centriole
ganglion
15. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females
dorsal root
ventricle
photoperiodism
dimorphism
16. An antigen in blood; can cause erythroblastosis fetalis when the mother is Rh- and the fetus is Rh+
Krebs cycle
Rh factor
adrenocorticotrophic hormone
pelagic zone
17. The innermost embryonic germ layer that gives rise to the lining of the alimentary canal and to the digestive and respiratory organs
endoderm
synergistic
rhodopsin
ilium
18. The study of the evolutionary descent and interrelations of groups of organisms
binary fission
DNA
taxonomy
phylogeny
19. A dominant allele suppresses the expression of the other member of an allele pair when both members are present
artery
monohybrid
dominance
ilium
20. A "seed leaf"; responsible for food digestion and storage in plant embryo
cotyledon
endoderm
recombinant DNA technology
RNA
21. An organelle in the cytoplasm that contains RNA; serves as the site of protein synthesis
ribosome
gastrula
adrenocorticotrophic hormone
clotting
22. A hydrogen carrier containing iron that functions in many cellular processes - including respiration
endemic
phototropism
metaphase
cytochrome
23. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system
adrenal cortex
lymph capillary
medulla oblongata
interphase
24. The removal of an amino group from an organism - particularly from an amino acid
gylcolysis
deamination
aortic arch
bile
25. A four-letter code made up of the DNA nitrogen bases A - T - G and C; each chromosome is made up of thousands of these bases
cerebellum
hybrid
genetic code
cochlea
26. A pyrimidine component of nucleic acids and nucleotides; pairs with adenine in DNA
thymine
test cross
hormone
pyloric valve
27. A hormone that stimulates plant stem elongation
villus
gymnosperm
gibberellin
macula
28. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine
nitrogen cycle
uracil
functional groups
stomach
29. The ability of certain animals to regrow missing body parts
regeneration
thyroid
thalamus
ethanol fermentation
30. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)
adrenal cortex
ptyalin
Crustacea
anaerobic
31. 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
malleus
luteinizing hormone (LH)
anther
interstitial cells
32. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male
sex chromosome
monosaccharide
interphase
Arthropoda
33. A stage of embryonic development in which the embryo consists of a hollow ball of cells
dominance
dorsal root
blastula
reticulum
34. The functional role and position of an organism in an ecosystem; embodies every aspect of the organism's existence
adrenaline (epinephrin)
niche
parasitism
lymphocyte
35. Cytoplasmic organelles that serve as sites of respiration; a rod-shaped body in the cytoplasm known to be the center of cellular respiration
spiracle
adrenal cortex
mitochondria
active immunity
36. Fluid in the eye - found between the cornea and the lens
aqueous humor
climax community
chyme
phylum
37. The space between the mesodermal layers that forms the body cavity of some animal phyla
epiphyte
binomial nomenclature
coelom
feedback mechanism
38. The sac in the ovary in which the egg develops
genus
follicle
dihybrid
steroid
39. The inner layer of an organ surrounded by the cortex
gene frequency
circadian rhythms
medulla
gall bladder
40. A 12-carbon sugar that is formed by the union of two glucose units (a disaccharide)
epinephrine
maltose
deoxyribose
chromatin
41. The part of the alimentary canal between the mouth and the esophagus
chemotropism
peristalsis
platelet
pharynx
42. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
aerobic
homeotherm
FSH
pyrimidine
43. The transfer of pollen to the micropyle or to a receptive surface that is associated with an ovule (such as stigma)
FSH
pollination
NAD
coenzyme
44. A pair of chromosome pairs present during the first metaphase of meiosis
epiphyte
cone
tetrad
NADP
45. The outermost surface of an organism
epidermis
hepatic portal system
rhizome
serum
46. A stalklike or elongated body part - usually pointed at one end
chyme
self-pollination
diencephalon
style
47. Fluid-filled structures in the inner ear that are associated with the sense of balance
centriole
peristalsis
epididymis
semicircular canals
48. A cell in the retina that is sensitive to weak light
rod
pupil
lactid acid fermentation
artery
49. The primary germ layer - developed from the lip of the blastopore - that gives rise to the skeleton - the circulatory system and many organs and tissues between the epidermis and the epithelium
trilobite
chemosynthesis
ventral root
mesoderm
50. A plant-eating animal
sucrase
herbivore
xylem
aqueous humor