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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 living together of two organisms in an intimate relationship
aldosterone
nitrogen cycle
urethra
symbiosis
2. An enzyme from the pancreas that digests proteins in the small intestine
polyploidy
trypsin
stigma
autosome
3. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin
endemic
primary spermatocyte
polymorphism
pineal body
4. Pertaining to a restricted locality; ecologically - occurring only in one particular region
appendage
plexus
prophase
endemic
5. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA
deoxyribose
nictitating membrane
pelagic zone
malleus
6. A nerve fiber
pistil
axon
aldosterone
androgen
7. Pertaining to the head
synergistic
clotting
pulmonary
cephalic
8. The study of form and structure
thrombokinase
hypertonic
morphology
Crustacea
9. An air-conducting tube
chorion
physiology
legume
trachea
10. A sugar composed of two combined monosaccharides
digestion
disaccharide
alveolus
geotropism
11. The conversion of digested foods and other materials into forms usable by the body (i.e. - the conversion of amino acids into proteins)
homeotherm
assimilation
chloroplast
immunity
12. An emulsifying agent secreted by the liver
bile
selective breeding
Annelida
eye
13. Hormone active in osmoregulation; a mineral corticoid produced by the adrenal cortex; stimulates reabsorption of Na+ and secretion of K+
interphase
aldosterone
polar body
cerebrum
14. Compounds in bile that aid in emulsification
cerebral hemisphere
bile salts
endocrine gland
exocytosis
15. A change from a diploid nucleus to a haploid nucleus - as in meiosis
hypotonic
cochlea
reduction
thryoxin
16. A cell that divides to form two secondary spermatocytes
primary spermatocyte
adaptation
pinocytosis
digestion
17. A response by an organism to the duration and timing of light and dark conditions
photoperiodism
hermaphrodite
pathogen
purine
18. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body
cone
ventricle
chromatid
dorsal root
19. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti
irritability
phloem
ADH (vassopressin)
cochlea
20. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase
alveolus
commensal
sporophyte
pollen
21. 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
cornea
medulla
RNA
interstitial cells
22. A network or mesh of fibrils - fibers or filaments
gymnosperm
anaphase
cotyledon
reticulum
23. A grouping of neuron cell bodies that acts as a coordinating center
sinus
tissue
Porifera
ganglion
24. A group of populations that can interbreed
uracil
cytokinesis
species
mutagenic agent
25. A chemical messenger that is secreted by one part of the body and carried by the blood to affect another part of the body - usually a muscle or gland
biotic
independent assortment
diploid
hormone
26. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa
Protista
coelom
endocytosis
urinary bladder
27. A unit of heat; the amount of heat required to raise the temperature of one gram of water by one degree centigrade
corpus luteum
ungulate
calorie
adrenaline (epinephrin)
28. The outer - transparent layer of the eye
androgen
meiosis
nictitating membrane
cornea
29. Describes arthropods and other animals whose skeletal or supporting structures are outside the skin
meristem
exoskeleton
glottis
gall bladder
30. A process of asexual reproduction in which the offspring develop from an outgrowth of the plant or animal
pollen
exocytosis
style
budding
31. A fat-digesting hormone
lipase
chromatin
chloroplast
oxidation
32. The phylum of sponges
Porifera
disjunction
recombinant DNA technology
dimorphism
33. A structure in animal cells containing centrioles from which the spindle fibers develop
active immunity
centrosome
maltose
isotonic
34. The loss of all or part of a chromosome
macula
symbiosis
deletion
ptyalin
35. Fluid-filled structures in the inner ear that are associated with the sense of balance
planaria
Protista
semicircular canals
embolus
36. A dense fluid within the chloroplast in which CO2 is converted into sugars in photosynthesis
carapace
urea
NAD
stroma
37. Multicellular organism
placenta
cytoskeleton
eukaryote
respiration
38. 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
chitin
phototropism
nucleus
turgor pressure
39. Cytoplasmic bodies within a plant cell that are often pigmented
deletion
plastid
glomerulus
monosaccharide
40. Globular proteins produced by tissues that destroy or inactivate antigens
pyloric valve
seminal fluid
polymorphism
antibody
41. A stage of embryonic development characterized by the differentiation of the cells into the ectoderm and endoderm germ layers and by the formation of the archenteron
yolk sac
gastrula
population
synapsis
42. Asexual reproduction; in this process - the parent organism splits into two equal daughter cells
peptide
flagellum
translation
binary fission
43. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers
gylcolysis
food vacuole
antigen
taiga
44. A form of asexual reproduction in which the egg develops in the absence of sperm
parthenogenesis
centrosome
secondary tissue
active immunity
45. The womb in which the fetus develops
uterus
adrenal medulla
thyroid
trypsin
46. The largest portion of the human brain; it is believed to be the center of intelligence - conscious thought and sensation
Graffian follicle
cerebrum
lactase
thymus
47. A large molecule that is composed of many similar molecule units
polymer
allantois
germ layer
ganglion
48. Fluid in the eye - found between the cornea and the lens
gamete
aqueous humor
fibrinogen
allele
49. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin
gene frequency
urine
spindle
epiglottis
50. 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)
inversion
pseudopod
Annelida
diastole