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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 class of free-living flatworms
planaria
rhodopsin
commensal
carapace
2. An organism that possesses both the male and the female reproductive organs
aerobe
germ cell
pairing
hermaphrodite
3. A lateral region of the forebrain
smooth muscle
Chordata
thalamus
binomial nomenclature
4. A purine (nitrogenous base) component of nucleotides and nucleic acids; links with cytosine in DNA
epiphyte
protein
guanine
substrate
5. The part of the neuron that transmits impulses to the cell body
femur
nerve cord
dendrite
Loop of Henle
6. An endocrine gland located in the neck that produces thyroxin
chloroplast
hypocoytl
carbon cycle
thyroid
7. Changes in genes that are inherited
mutation
urea
epidermis
recessive
8. A mucus-secreting membrane
synapse
yolk sac
mucosa
urea
9. A neuron that picks up impulses from receptors and transmits them to the spinal cord
Loop of Henle
colon
sensory neuron
cochlea
10. The space between the mesodermal layers that forms the body cavity of some animal phyla
oogenesis
coelom
stigma
iris
11. The division in animal cell cytoplasm caused by the pinching in of the cell membrane
nucleolus
hydrostatic skeleton
cleavage
purine
12. An organic nutrient required by organisms in small amounts to aid in proper metabolic processes
vitamin
stomach
telophase
sporophyte
13. A structure in animal cells containing centrioles from which the spindle fibers develop
myelin sheath
centrosome
synergistic
monosaccharide
14. A multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm
lymph capillary
Chordata
cell wall plate
nerve net
15. A plant that lives on another plant mensalistically
carbohydrate
epiphyte
genus
circadian rhythms
16. A cell that divides to form two secondary spermatocytes
primary spermatocyte
fallopian tube
cotyledon
pulmonary
17. A cell in the retina that is sensitive to colors and is responsible for color vision
carnivore
pith
cone
stigma
18. The basal branch of each spinal nerve; carries motor neurons
pistil
retina
ventral root
amnion
19. An underground stem
pollination
rhizome
testes
pH
20. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male
yolk sac
pepsin
sex chromosome
hermaphrodite
21. The process of forming the sperm cells from primary spermatocytes
diffusion
spermatogenesis
secondary tissue
carnivore
22. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase
pairing
nerve cord
alternation of generations
sporophyte
23. A ductless gland that secretes hormones directly into the bloodstream
pyloric valve
guard cell
endocrine gland
chloroplast
24. The portion of seed plant embryo above the cotyledon
mutagenic agent
budding
epicotyl
deletion
25. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine
iris
geographical barrier
metaphase
cytosine
26. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system
NAD
recombinant DNA technology
lymph capillary
synergistic
27. Degree of penetrability - as in membranes that allow given substances to pass through; the ability to penetrate
fermentation
permeability
ethanol fermentation
pistil
28. The law by which genes on different chromosomes are inherited independently of each other
spiracle
thermoregulation
polyploidy
independent assortment
29. The description of a plant life cycle that consists of a diploid - asexual - sporophyte generation and a haploid - sexual - gametrophyte generation
FSH
plexus
alternation of generations
chemosynthesis
30. Vascular tissue of the plant that aids in support and carries water
monohybrid
ilium
xylem
photolysis
31. Fluid excreted by the kidney containing urea - water - salts - etc
medulla
endosperm
urine
turgor pressure
32. Chemical groups attached to carbon skeletons that give compounds their functionality
homologous
excretion
planaria
functional groups
33. Random evolutionary changes in the genetic makeup of a population
rickettsia
bacillus
genetic drift
tetrad
34. Deoxyribonucleic acid; found in cell nucleus - its basic unit is the nucleotide; contains coded genetic information; can replicate on the basis of heredity
biotic
neural tube
DNA
neuron
35. A motile - multinucleate mass of protoplasm resulting from fusion of uninuclear amoeboid cells
goiter
plasmodium
tissue
vacuole
36. The system of naming an organism by its genus and species name
binomial nomenclature
translation
amnion
estrogen
37. A pouched mammal - such as the kangaroo or opossum
prothrombin
geographical barrier
marsupial
cytoplasm
38. A family tree depicting the inheritance of a particular genetic trait over several generations
pedigree
physiology
polysaccharide
flagellum
39. The part of the body of an animal that is between the neck or head and the abdomen
alimentary canal
goiter
thorax
humerus
40. An animal phylum in which all members have a notochord - dorsal nerve cord and pharyngeal gill slits at some embryonic stage; includes the Cephalochordata and the Vertebrates
carbon cycle
autolysis
Chordata
DNA
41. Describes an individual that possesses two contrasting alleles for a given trait
cytochrome
stroma
heterozygous
fertilization
42. Blood vessels located between ascending and descending aortas that deliver blood to most of the upper body
sporophyte
blastula
aortic arch
embolus
43. A fatty sheath surrounding the axon of a neuron that aids in stimulus transmission; it is secreted by the Schwann cells
gibberellin
cretinism
electron transport chain
myelin sheath
44. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water
urea
rickettsia
pons
root hair
45. A process of photosynthesis in which water is split into H+ and OH-; the hydrogen ion is then joined to NADP
morula
biome
pH
photolysis
46. A blood vessel that carries blood back to the heart from the capillaries
vein
dihybrid
active immunity
oviduct
47. Undifferentiated tissue in the stem of a plant that aids growth in width
malpighian tubules
urinary bladder
cambium
codominant
48. A waxy protective layer secreted by the outer surface of plants - insects - etcetera
assimilation
thyroid
cuticle
embolus
49. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA
Loop of Henle
deoxyribose
lens
abiotic
50. A mitotic stage in which nuclei reform and nuclear membrane reappears
chromatid
semicircular canals
telophase
gametophyte