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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. The thin - bent part of the renal tubule that is the site of the counter-current flow and the sodium gradient
adrenaline (epinephrin)
Loop of Henle
Mendelian laws
planaria
2. Plant growth stimulated by light (stem: + - towards light; root: - - away from light)
dorsal root
duodenum
phototropism
metamorphosis
3. A tract of nerve fibers connecting the two cerebral hemispheres
epiglottis
respiratory center
corpus callosum
adaptive radiation
4. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron
substrate
germ cell
synapse
thymus
5. A simple sugar
Porifera
monosaccharide
ventricle
somatic cell
6. A progressive change from which a permanently more mature or advanced state results
autosome
differentation
carapace
gill slit
7. A gland composed of two parts - anterior and posterior - each with its own secretions; called the "master gland" because its hormones stimulate secretions by other glands
follicle
tundra
pituitary
diffusion
8. An organelle in the cytoplasm that contains RNA; serves as the site of protein synthesis
species
ribosome
allele
sphincter
9. The intake of food from the environment into the alimentary canal
ingestion
legume
peptide
nuclear membrane
10. The part of the body of an animal that is between the neck or head and the abdomen
thorax
stamen
spermatogenesis
microbodies
11. The inner layer of an organ surrounded by the cortex
medulla
endoplasmic reticulum
nitrogen cycle
chemotropism
12. The large intestine
olfactory
plexus
colon
pollen
13. The elimination of metabolic waster matter
stroma
digestion
excretion
hypotonic
14. The fluid that remains after fibrinogen is removed from the blood plasma of vertebrates
phloem
interstitial cells
irritability
serum
15. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
pyrimidine
deletion
integument
asexual reproduction
16. An antipathogenic substance (e.g. - penicillin)
saprophyte
antibiotic
mutagenic agent
malleus
17. A motile - multinucleate mass of protoplasm resulting from fusion of uninuclear amoeboid cells
reduction
systole
plasmodium
dendrite
18. Any chromosome that is not a sex chromosome
autosome
peripheral nervous system
granum
sucrase
19. Usually referred to as ACTH and secreted by the anterior lobe of the pituitary gland; stimulates the adrenal cortex to produce its characteristic hormones
gill slit
adrenocorticotrophic hormone
angiosperm
translocation
20. The physical appearance or makeup of an individual - as opposed to its genetic makeup
osmosis
diencephalon
phenotype
homologous
21. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome
gene
geotropism
synaptic terminal
epidermis
22. A stomach enzyme that partially digests proteins
transpiration
pepsin
plexus
flagellum
23. The tenth cranial nerve that innervates digestive organs - heart and other areas
gonads
root hair
vagus nerve
hemoglobin
24. The triploid tissue in some seeds that contains stored food and is formed by the union of one sperm nucleus with two nuclei of the female's gametophyte
yolk sac
nerve net
endosperm
systole
25. Fluid-filled structures in the inner ear that are associated with the sense of balance
mutation
placenta
hyperthyroidism
semicircular canals
26. A metabolic stage between mitoses in which genetic material is reproduced
polymer
regeneration
interphase
wood
27. The portion of seed plant embryo above the cotyledon
pupil
epicotyl
thrombin
passive immunity
28. The enzyme released from the blood platelets in vertebrates during clotting
pistil
thrombokinase
platelet
niche
29. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA
bile
deoxyribose
lymphocyte
ectoderm
30. The division in animal cell cytoplasm caused by the pinching in of the cell membrane
cleavage
cortex
electron transport chain
passive immunity
31. Genetic blending; each allele exerts some influence on the phenotype
incomplete dominance
eye
Graffian follicle
gall bladder
32. A lymph tubule located in the villus that absorbs fatty acids
climax community
lacteal
Coelentrata
peptide
33. A wall composed of cellulose that is external to the cell membrane in plants; it is primarily involved in support and in the maintenance of proper internal pressure
chromosome
cell wall
reticulum
polyp
34. The reproductive organ that produces sex cells
gonads
absorption
polar body
trypsin
35. An association between an algae and a fungus that is symbiotic and mutualistic in nature
lichen
NAD
lymph
exocrine
36. A starch form in animals; glucose is converted to this in the liver
sinus
hermaphrodite
glycogen
nictitating membrane
37. Living - as in living organisms in the environment
allantois
biotic
plexus
follicle
38. One or two or more types of genes - each representing a particular trait; many alleles exist for a specific gene locus
maltase
planaria
DNA
allele
39. The part of the neuron that transmits impulses to the cell body
dendrite
passive immunity
root hair
fallopian tube
40. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water
placenta
exocytosis
root hair
polymer
41. Any movement or growth of a living organism in response to the force of gravity
thrombin
secondary tissue
FSH
geotropism
42. A complex carrier mechanism located on the inside of the inner mitochondrial membrane of the cell; releases energy and is used to form ATP
thymus
fruit
electron transport chain
gene frequency
43. An excretory product of protein metabolism
autosome
semicircular canals
urea
sex linkage
44. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added
buffer
atrium
chitin
rhizome
45. One of a pair of kidney-shaped cells that surround a stomate and regulate the size of the stomate in a leaf
fibrinogen
prophase
incomplete dominance
guard cell
46. 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)
gibberellin
malleus
homozygous
diastole
47. Process of aerobic respiration that fully harvests the energy of glucose; also known as the citric acid cycle
Krebs cycle
deoxyribose
Mendelian laws
rhizome
48. The uppermost portion of pistil upon which pollen grains alight
enzyme
fallopian tube
stigma
gray matter
49. A small projection in the walls of the small intestine that increases the surface area available for absorption
pheromone
villus
corpus callosum
nucleolus
50. A structure in animal cells containing centrioles from which the spindle fibers develop
dicotyledon
chlorophyll
flagellate
centrosome