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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 prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added
germ layer
pollination
glottis
buffer
2. The area of medulla that regulates the rate of breathing
epicotyl
platelet
chromatin
respiratory center
3. 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
nephron
capillary
chromatin
linkage
4. A nuclear protein of chromosomes that stains readily
assortative mating
chromatin
autonomic nervous system
steroid
5. The elimination of metabolic waster matter
excretion
point mutation
prokaryote
style
6. A duct that carries urine from the kidneys to the bladder
pH
ureter
gill slit
autosome
7. 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
phagocyte
NAD
incomplete dominance
8. One of the two strands that constitute a chromosome; chromatids are held together by the centromere
ventricle
chromatid
pharynx
polyploidy
9. The hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium
recombinant DNA technology
inversion
progesterone
turgor pressure
10. A multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm
nerve net
somatic cell
diastole
thymine
11. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA
deoxyribose
gastrula
Calvin cycle
cerebral cortex
12. The cellular layer that covers external and internal surfaces
plasma membrane
epithelium
parasympathetic
diffusion
13. An organ that is not functional in an organism - but was functional at some period in its evolution
lactase
vestigial organ
olfactory
flagellate
14. A flowering plant with simple dry fruit - characterized by nodes on their roots that contain nitrogen-fixing bacteria
legume
adaptive radiation
humerus
genus
15. The outermost - extra-embryonic membrane of reptiles and birds
cotyledon
isolation
chorion
ecological succession
16. Multicellular organism
antigen
eukaryote
bile salts
taxonomy
17. The study of organisms in relation to their environment
chromosome
ecology
digestion
gamete
18. Pertaining to a subdivision of the autonomic nervous system of vertebrates
primary oocyte
parasympathetic
macula
dicotyledon
19. The sac in the ovary in which the egg develops
gray matter
saprophyte
follicle
luteinizing hormone (LH)
20. Compounds in bile that aid in emulsification
frame shift mutation
nerve net
cytosine
bile salts
21. The cavity between the lungs and the wall of the chest
capillary
aortic arch
oviduct
pleural cavity
22. A dense fluid within the chloroplast in which CO2 is converted into sugars in photosynthesis
atrium
myelin sheath
stroma
embolus
23. A mutation in which a single nucleotide base is substituted for another nucleotide base - or an extra nucleotide base is added
seminiferous tubules
hypotonic
spindle
point mutation
24. 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
sucrase
cell wall
ethylene
dihybrid
25. The first filial generation (first offspring)
androgen
nondisjunction
F1
circadian rhythms
26. Substance secreted by organisms that influences the behavior of other members of the same species
ilium
neural tube
pheromone
endosperm
27. A mall sex hormone (e.g. - testosterone)
food vacuole
follicle
adaptation
androgen
28. A form of anaerobic respiration found in yeast and bacteria
heterozygous
ethanol fermentation
species
haploid
29. An enlargement of the thyroid gland due to lack of iodine
prophase
goiter
adrenocorticotrophic hormone
wood
30. 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
thrombokinase
imprinting
androgen
thoracic duct
31. A hormonal secretion of the adrenal cortex
sex linkage
adrenaline (epinephrin)
cortisone
glottis
32. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")
rickettsia
heterotroph
mucosa
Calvin cycle
33. The process by which carbohydrates are formed through chemical energy; found in bacteria
nucleotide
disaccharide
blastula
chemosynthesis
34. An organ that stores bile
femur
gall bladder
symbiosis
ethylene
35. 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
luteinizing hormone (LH)
pairing
erythrocyte
epiphyte
36. Semen
epidermis
seminal fluid
egg
excretion
37. A process of asexual reproduction in which the offspring develop from an outgrowth of the plant or animal
budding
epiglottis
stroma
monocotyledon
38. A relationship in which one organism benefits at the expense of another
parasitism
wood
ptyalin
allele
39. The womb in which the fetus develops
ectoderm
uterus
ventricle
abiotic
40. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase
transpiration
amnion
phylum
sporophyte
41. Blood vessels located between ascending and descending aortas that deliver blood to most of the upper body
nerve net
aortic arch
cytosine
thermoregulation
42. Protective immunity to a disease in which the individual produces antibodies as a result of previous exposure to the antigen
pupil
mitochondria
active immunity
prothrombin
43. The enzyme that acts upon lactose
lactase
thryoxin
cell wall plate
gibberellin
44. A fat or oil
Arthropoda
photoperiodism
sex linkage
lipid
45. The phylum to which jointed-legged invertebrates belong - including insects - arachnids and crustaceans
ventral root
Arthropoda
erythrocyte
aorta
46. The science of classification of living things
sensory neuron
metabolism
substrate
taxonomy
47. A cell resulting from the fusion of gametes
vacuole
ethanol fermentation
frame shift mutation
zygote
48. One of the primary tissues of the embryo
germ layer
inversion
cross-pollination
trachea
49. An opening in the eye whose size is regulated by the iris
esophagus
legume
lysosome
pupil
50. Occurs when a segment of genetic material on a chromosome becomes reversed
osmosis
inversion
central nervous system
endocytosis