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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 fusion of sperm and the egg to produce a zygote
thryoxin
macula
monocotyledon
fertilization
2. 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
ingestion
guard cell
genetic code
eye
3. The orientation of cells or organisms in relation to chemical stimuli; the growth or movement response of organisms to chemical stimuli
glottis
disaccharide
planaria
chemotropism
4. A plant that belongs to the class of seed plants in which the seeds are not enclosed in an ovary; includes the conifers
symbiosis
pineal body
cytoplasm
gymnosperm
5. A female sex hormone secreted by the follicle
adenosine phosphate
bile
estrogen
nerve
6. A blood vessel that carries blood away from the heart
thrombokinase
artery
phototropism
chromatin
7. Describes an individual that possesses two contrasting alleles for a given trait
dominance
epiphyte
heterozygous
rhodopsin
8. A space in the body
incomplete dominance
active immunity
sinus
binomial nomenclature
9. 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
cytochrome
aldosterone
iris
10. The biome located between the polar region and the tiaga
stroma
isomer
respiratory center
tundra
11. A hormonal secretion of the adrenal cortex
assortative mating
Arthropoda
cortisone
conditioning
12. Any cell capable of ingesting another cell
phagocyte
neural tube
consumer
malleus
13. 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
pedigree
phylogeny
test cross
androgen
14. Describes a fluid that has the same osmotic pressure as a fluid it is compared to
asexual reproduction
coenzyme
corpus callosum
isotonic
15. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development
diffusion
gill slit
interstitial cells
absorption
16. Related to the sense of smell
olfactory
pairing
turgor pressure
endocrine gland
17. An organism that does not require free oxygen in order to respire
eye
anaerobe
F1
eukaryote
18. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers
taiga
alternation of generations
macula
erythrocyte
19. The pollination of the pistil of one flower with pollen from the stamen of a different flower of the same species
permeability
hypothalamus
respiratory center
cross-pollination
20. Adrenaline
epinephrine
glomerulus
autonomic nervous system
morula
21. The microspore of a seed plant
meninges
pollen
vacuole
glomerulus
22. An invertebrate animal phylum in which animals possess a single alimentary opening and tentacles with stinging cells
spermatogenesis
Coelentrata
ganglion
secondary tissue
23. The outer layer of cerebral hemispheres in the forebrain - consisting of gray matter
spore
cerebral cortex
allantois
pollen
24. One of the two strands that constitute a chromosome; chromatids are held together by the centromere
primary oocyte
eukaryote
chromatid
vacuole
25. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system
hyperthyroidism
somatic cell
lymph capillary
pathogen
26. The pressure exerted by the contents of a cell against the cell membrane or cell wall
urethra
host
turgor pressure
dicotyledon
27. Semen
medusa
seminal fluid
epidermis
monohybrid
28. Protein threads that form in the blood during clotting
medulla
fibrin
recessive
phylogeny
29. The process of breaking down large organic molecules into smaller ones
artery
platelet
crossing over
digestion
30. The outermost surface of an organism
embolus
cytosine
epidermis
style
31. A protein compound containing iron that is found in red blood cells
alternation of generations
cretinism
hemoglobin
synaptic terminal
32. A reproductive cell
bile salts
cytoskeleton
germ cell
F2
33. A mutation in which a single nucleotide base is substituted for another nucleotide base - or an extra nucleotide base is added
smooth muscle
plankton
point mutation
colon
34. The outermost bone of the middle ear (hammer)
chyme
marsupial
malleus
ovary
35. A green pigment that performs essential functions as an electron donor and light "entrapper" in photosynthesis
thymine
pepsin
vagus nerve
chlorophyll
36. An organ that is not functional in an organism - but was functional at some period in its evolution
absorption
vestigial organ
antigen
tundra
37. Pertaining to a restricted locality; ecologically - occurring only in one particular region
endemic
consumer
style
endoplasmic reticulum
38. The female gonad in animals; the base of the pistil in plants
ovary
tundra
morphology
gill slit
39. A substance that is acted upon by an enzyme
goiter
chlorophyll
substrate
phloem
40. Random evolutionary changes in the genetic makeup of a population
polysaccharide
crossing over
genetic drift
nuclear membrane
41. The class of free-living flatworms
allele
glycogen
planaria
seminal fluid
42. Cytoplasmic bodies within a plant cell that are often pigmented
gene frequency
epiglottis
telophase
plastid
43. The large intestine
gene
colon
gray matter
gylcolysis
44. An anucleate red blood cell that contains hemoglobin
tissue
erythrocyte
epidermis
calorie
45. The hind portion of the forebrain of vertebrates
diencephalon
antigen
diffusion
olfactory
46. The primary germ layer - developed from the lip of the blastopore - that gives rise to the skeleton - the circulatory system and many organs and tissues between the epidermis and the epithelium
nictitating membrane
microbodies
mesoderm
independent assortment
47. 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
gastrula
mitochondria
autonomic nervous system
cephalic
48. Waves of contraction and relaxation passing along a tubular structure - such as the digestive tube
spindle
retina
peristalsis
Loop of Henle
49. The division in animal cell cytoplasm caused by the pinching in of the cell membrane
cleavage
monocotyledon
Rh factor
cell wall plate
50. A group of life-maintaining processes that includes nutrition - respiration (the production of usable energy) and the synthesis and degradation of biochemical substances
metabolism
genetic code
cytoskeleton
digestion