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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. A substance that is acted upon by an enzyme
diastole
sympathetic
Porifera
substrate
2. The hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium
capillary
excretion
progesterone
enzyme
3. Occurs when different traits are inherited together more often than they would have been by chance along; it is assumed that these traits are linked on the same chromosome
endoplasmic reticulum
mitosis
antibody
linkage
4. A nitrogenous base such as adenine or guanine; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
purine
cerebral hemisphere
gastrula
epicotyl
5. Describes structures that have similar function but different evolutionary origins; e.g. - a bird's wing and a moth's wing
analogous
corpus callosum
nictitating membrane
prothrombin
6. The passive - rhythmical expansion or dilation of the cavities of the heart (atria or ventricles) that allows these organs to fill with blood; preceded and followed by systole (contraction)
cerebellum
phylum
phylogeny
diastole
7. A hormone that stimulates plant stem elongation
gibberellin
mesoderm
stamen
aortic arch
8. The tenth cranial nerve that innervates digestive organs - heart and other areas
vagus nerve
passive immunity
commensal
legume
9. A protein compound containing iron that is found in red blood cells
thalamus
hemoglobin
oogenesis
plasmodium
10. 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
gametophyte
test cross
autonomic nervous system
style
11. The swelling at the end of an axon
neural tube
yolk sac
metabolism
synaptic terminal
12. An antipathogenic substance (e.g. - penicillin)
antibiotic
heterotroph
lymph
pheromone
13. A nuclear protein of chromosomes that stains readily
guanine
chromatin
fermentation
secondary tissue
14. Living or active in the absence of free oxygen; pertaining to respiration that is independent of oxygen
anaerobic
dihybrid
germ layer
colon
15. Agent that induces mutations; typically carcinogenic
mutagenic agent
telophase
osmoregulation
sporophyte
16. Blood protein that is transformed to fibrin upon clotting
trilobite
fibrinogen
cotyledon
Krebs cycle
17. A stage of embryonic development in which the embryo consists of a hollow ball of cells
Arachnida
blastula
pathogen
ingestion
18. A neuron that picks up impulses from receptors and transmits them to the spinal cord
thermoregulation
anaerobic
sensory neuron
passive immunity
19. A unit of heat; the amount of heat required to raise the temperature of one gram of water by one degree centigrade
hypertonic
calorie
corpus callosum
spermatogenesis
20. The part of the alimentary canal between the mouth and the esophagus
pharynx
plastid
retina
eye
21. Any cell that is not a reproductive cell
somatic cell
self-pollination
hemoglobin
bile salts
22. A form of asexual reproduction in which the egg develops in the absence of sperm
imprinting
host
parthenogenesis
homologous
23. An organism that does not require free oxygen in order to respire
respiration
absorption
chromosome
anaerobe
24. A process by which the cytoplasm and the organelles of the cell divide; the final stage of mitosis
malleus
feedback mechanism
plasmodium
cytokinesis
25. A hormone produced by the Islets of Langerhans in the pancreas
consumer
dimorphism
insulin
glottis
26. Pertains to a gene or characteristic that is masked when a dominant allele is present
neuron
recessive
pH
ethanol fermentation
27. One of the primary tissues of the embryo
stoma
circadian rhythms
germ layer
ureter
28. A metabolic stage between mitoses in which genetic material is reproduced
interphase
bacteriophage
disjunction
lymph capillary
29. Nonliving - as in the physical environment
differentation
cytokinesis
abiotic
plasma
30. One of the paired lateral divisions of the forebrain
cerebral hemisphere
host
plasmodium
thalamus
31. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine
cytosine
dorsal root
ecology
pathogen
32. A hormonal secretion of the adrenal cortex
cortisone
peripheral nervous system
adaptive radiation
Eustachian tube
33. A remnant of follicle after ovulation that secretes the hormone progesterone
macula
anther
corpus luteum
rod
34. Describes an individual that possesses two contrasting alleles for a given trait
DNA
heterozygous
buffer
emulsion
35. The evaporation of water from leaves or other exposed surfaces of plants
bacillus
osmoregulation
transpiration
asexual reproduction
36. A sugar composed of two combined monosaccharides
disaccharide
amnion
allantois
sphincter
37. A nerve fiber
anaerobe
epididymis
genetic code
axon
38. The pairing of homologous chromosomes during meiosis
microbodies
pulmonary
nitrogen cycle
synapsis
39. Bacteria that are rod shaped
gastrula
bacillus
thrombokinase
pelagic zone
40. A specialized structure that controls osmotic pressure by removing water from the cell
ventral root
myelin sheath
contractile vacuole
epicotyl
41. The smallest particle that is capable of carrying out photosynthesis; the functional unit of a chloroplast
medulla
thorax
fermentation
granum
42. The chamber in the alimentary canal of certain vertebrates located below the large intestine - into which the ureter and reproductive organs empty (as in frogs)
retina
nuclear membrane
cloaca
seminal fluid
43. A pyrimidine component of nucleic acids and nucleotides; pairs with adenine in DNA
hypotonic
incomplete dominance
alimentary canal
thymine
44. Protein threads that form in the blood during clotting
autotroph
fibrin
haploid
Mendelian laws
45. The female gamete; it is nonmotile - large in comparison to male gametes - and stores nutrients
egg
F1
tundra
hypocoytl
46. The liquid part of blood
white matter
fitness
plasma
diploid
47. An endocrine gland of vertebrates - usually paired - and located near or within the thyroid that secretes parathormone - which controls the metabolism of calcium
parathyroid
adaptation
root hair
substrate
48. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)
levels of structure
ventricle
epididymis
ptyalin
49. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections
gonads
gray matter
homozygous
endosperm
50. Laws of classical genetics established through Mendel's experiments with peas
diffusion
cerebral cortex
Mendelian laws
auxin