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Test your basic knowledge |
SAT Subject Test: Biology
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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. The thin-walled anterior chamber of the heart (also called the auricle)
femur
atrium
cephalic
small intestine
2. The living together of two organisms in an intimate relationship
blastula
xylem
symbiosis
pituitary
3. Requiring free oxygen from the atmosphere for normal activity and respiration
aerobic
meiosis
diastole
conditioning
4. An abbreviation of nicotinamide-adenine-dinucleotide-phosphate - also called TPN; an organic compound that serves as an oxidation-reduction molecule
photoperiodism
secondary tissue
NADP
disaccharide
5. An excretory product of protein metabolism
haploid
urea
geographical barrier
photolysis
6. A symbol that denotes the relative concentration of hydrogen ions in a solution
inversion
small intestine
pH
chromosome
7. The anaerobic respiration of carbohydrates
esophagus
lymph
F1
gylcolysis
8. The outermost embryonic germ layer that gives rise to the epidermis and the nervous system
ectoderm
stigma
cross-pollination
cortex
9. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine
hyperthyroidism
geotropism
pyloric valve
cytosine
10. A sex or reproductive cell that must fuse with another of the opposite type to form a zygote
chemotropism
pollination
gamete
nondisjunction
11. The sac in the ovary in which the egg develops
follicle
Arachnida
placenta
lactase
12. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions
lacteal
passive immunity
clotting
corpus luteum
13. A symbiotic relationship from which both organisms involved derive some benefit
alimentary canal
tundra
endosperm
mutualism
14. A ductless gland in upper chest region concerned with immunity and the maturation of lymphocytes
aortic arch
levels of structure
excretion
thymus
15. A large class of arthropods - including crabs and lobsters
Crustacea
autolysis
genetic drift
thyroid
16. One-thousandth of a millimeter; a unit of microscopic length
Arthropoda
cytoplasm
amnion
micron (micrometer)
17. A form of asexual reproduction in which the egg develops in the absence of sperm
pons
microbodies
parthenogenesis
lymph
18. One of the paired lateral divisions of the forebrain
peptide
carbon cycle
ADH (vassopressin)
cerebral hemisphere
19. An animal with a constant body temperature
heterozygous
meiosis
homeotherm
respiration
20. A starch form in animals; glucose is converted to this in the liver
glycogen
asexual reproduction
substrate
Loop of Henle
21. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty
turgor pressure
ethylene
duodenum
adaptive radiation
22. A space in the cytoplasm of a cell that contains fluid
vacuole
small intestine
cloaca
alimentary canal
23. The fluid that remains after fibrinogen is removed from the blood plasma of vertebrates
cell wall
serum
ethylene
epididymis
24. The cellular layer that covers external and internal surfaces
epithelium
medulla oblongata
cell wall
gonads
25. The second filial generation; offspring resulting from the crossing of individuals of the F1 generation
malleus
adaptation
exocytosis
F2
26. The transfer of pollen from the stamen to the pistil of the same flower
self-pollination
cyton
wood
turgor pressure
27. Describes an individual that has the same gene for the same trait on each homologous chromosome
sex linkage
Arthropoda
yolk sac
homozygous
28. A group of populations that can interbreed
diffusion
rickettsia
stoma
species
29. The physical appearance or makeup of an individual - as opposed to its genetic makeup
somatic cell
medulla
phenotype
differentation
30. A mall sex hormone (e.g. - testosterone)
plasmodium
androgen
anaphase
estrogen
31. 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
circadian rhythms
genetic code
gamete
thyroid
32. The class of free-living flatworms
peripheral nervous system
amnion
gamete
planaria
33. A space in the body
sinus
autolysis
polyploidy
urea
34. A flesh-eating animal; a holotrophic animal that subsists on other animals or parts of animals
protein
carnivore
coelom
hepatic portal system
35. A plant that has a single cotyledon or seed-leaf
guard cell
monocotyledon
placenta
imprinting
36. An organism that must get its inorganic and organic raw materials from the environment; a consumer
electron transport chain
stamen
hydrostatic skeleton
heterotroph
37. The phylum to which jointed-legged invertebrates belong - including insects - arachnids and crustaceans
Arthropoda
Chordata
malpighian tubules
medulla oblongata
38. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)
seminiferous tubules
ptyalin
cerebral cortex
plexus
39. A mass of cells that have similar structures and perform similar functions
coenzyme
exocytosis
ilium
tissue
40. An invertebrate animal phylum in which animals possess a single alimentary opening and tentacles with stinging cells
chyme
white matter
Coelentrata
bud
41. The posterior part of the brain that controls the rate of breathing and other autonomic functions
haploid
medulla oblongata
Porifera
thryoxin
42. An organ that stores bile
sucrase
cell wall plate
gall bladder
gill slit
43. One of the primary tissues of the embryo
germ layer
F2
allele
mucosa
44. A behavioral or biological change that enables an organism to adjust to its environment
carbon cycle
adaptation
consumer
stigma
45. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
pyrimidine
adrenal medulla
thrombin
monohybrid
46. Adrenaline
blastula
epinephrine
hormone
androgen
47. A response by an organism to the duration and timing of light and dark conditions
photoperiodism
homozygous
yolk sac
endoplasmic reticulum
48. The division in animal cell cytoplasm caused by the pinching in of the cell membrane
erythrocyte
alternation of generations
cleavage
mitosis
49. An abbreviation of ribonucleic acid - a nucleic acid in which the sugar is ribose; a product of DNA transcription that serves to control certain cell activities
RNA
nitrogen cycle
ADH (vassopressin)
cytoplasm
50. The uppermost portion of pistil upon which pollen grains alight
thermoregulation
stigma
passive immunity
deletion
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