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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 hindbrain region that controls equilibrium and muscular coordination
nucleus
cerebellum
lymph
endoderm
2. A plant growth hormone
erythrocyte
dicotyledon
biotic
auxin
3. The individual differences of form among the members of a species
medulla oblongata
medusa
peristalsis
polymorphism
4. An organ that is not functional in an organism - but was functional at some period in its evolution
asexual reproduction
gibberellin
stroma
vestigial organ
5. A symbol that denotes the relative concentration of hydrogen ions in a solution
carnivore
pH
secondary tissue
larva
6. A marine biome typical of the open seas
absorption
pelagic zone
legume
lipase
7. The physical appearance or makeup of an individual - as opposed to its genetic makeup
phenotype
Loop of Henle
ilium
chitin
8. Nonfunctional haploid cells created during meiosis in females; they have very little cytoplasm-most has gone into the functional egg cell
malleus
polar body
parthenogenesis
central nervous system
9. Describes an individual that possesses two contrasting alleles for a given trait
homeotherm
corpus callosum
heterozygous
epididymis
10. Cytoplasmic organelles that serve as sites of respiration; a rod-shaped body in the cytoplasm known to be the center of cellular respiration
fruit
mitochondria
photolysis
alveolus
11. A tract of nerve fibers connecting the two cerebral hemispheres
corpus callosum
crossing over
pedigree
assimilation
12. A type of virus that can destroy bacteria by infecting - parasitizing and eventually killing them
bacteriophage
isomer
central nervous system
platelet
13. A complex carrier mechanism located on the inside of the inner mitochondrial membrane of the cell; releases energy and is used to form ATP
electron transport chain
mitosis
exocytosis
circadian rhythms
14. The elimination of metabolic waster matter
gibberellin
stigma
excretion
carbon cycle
15. The uppermost portion of pistil upon which pollen grains alight
stigma
myelin sheath
disaccharide
dominance
16. The outermost bone of the middle ear (hammer)
diastole
pheromone
micron (micrometer)
malleus
17. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine
antibody
respiratory center
cytosine
Calvin cycle
18. Part of the nephron in the kidney; involved in excretion
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19. The sensory branch of each spinal nerve
dorsal root
meiosis
parathyroid
glomerulus
20. A hoofed animal
ungulate
lysosome
eye
luteinizing hormone (LH)
21. A hormone that regulates water reabsorption
ADH (vassopressin)
gylcolysis
geographical barrier
vein
22. The chamber in the alimentary canal of certain vertebrates located below the large intestine - into which the ureter and reproductive organs empty (as in frogs)
parenchyma
mutagenic agent
NAD
cloaca
23. A marine biome; a region on the continental shelf that contains an ocean area with depths of up to 600 ft
dendrite
morula
littoral zone
chromatin
24. Three membranes that envelop the brain and spinal cord (pia mater - dura mater and arachnoid)
prokaryote
colon
stomach
meninges
25. Encompasses the brain and the spinal cord
central nervous system
digestion
antibody
Coelentrata
26. A large molecule that is composed of many similar molecule units
deletion
polymer
malleus
parasitism
27. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development
cross-pollination
regeneration
gill slit
nuclear membrane
28. The outer - transparent layer of the eye
translation
uracil
endoderm
cornea
29. An organism that possesses one or more whiplike appendages called flagella
root hair
uracil
Crustacea
flagellate
30. A plastid containing chlorophyll
thymine
genus
incomplete dominance
chloroplast
31. Random evolutionary changes in the genetic makeup of a population
genetic drift
spindle
style
yolk sac
32. Any cell capable of ingesting another cell
gall bladder
F2
phagocyte
spindle
33. A cell that divides to form the polar body and the secondary oocyte
primary oocyte
lactase
pith
centromere
34. An undifferentiated - growing region of a plant that is constantly undergoing cell division and differentiation
pyrimidine
endocytosis
deletion
meristem
35. The transfer of pollen to the micropyle or to a receptive surface that is associated with an ovule (such as stigma)
pollination
meristem
taiga
plastid
36. A purine (nitrogenous base) component of nucleotides and nucleic acids; links with cytosine in DNA
purine
guanine
pollination
legume
37. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water
duodenum
inversion
root hair
levels of structure
38. The part of the flower that produces pollen
atrium
stamen
fibrinogen
systole
39. The fist stage of protein synthesis - in which the information coded in the DNA base is transcribed onto a strand of mRNA
anther
transcription
self-pollination
germ layer
40. Occurs when different traits are inherited together more often than they would have been by chance along; it is assumed that these traits are linked on the same chromosome
pulmonary
platelet
linkage
gill slit
41. The recycling of nitrogen from decaying organism for use in future generations
synaptic terminal
nitrogen cycle
integument
telophase
42. A hormone of the thyroid that regulates basal metabolism
thryoxin
Crustacea
thoracic duct
cleavage
43. One of the two strands that constitute a chromosome; chromatids are held together by the centromere
trilobite
angiosperm
chromatid
exocrine
44. A hydrogen carrier containing iron that functions in many cellular processes - including respiration
cytochrome
carapace
Chordata
vestigial organ
45. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin
conditioning
carbohydrate
polysaccharide
pineal body
46. Fluid in the eye - found between the cornea and the lens
androgen
fibrin
aqueous humor
lipid
47. The reproductive organ that produces sex cells
phototropism
geotropism
gonads
digestion
48. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females
gill slit
adrenaline (epinephrin)
dimorphism
thrombin
49. A mutation involving the addition or loss of nucleotides
pH
permeability
frame shift mutation
commensal
50. The dorsal part of the hip girdle
microbodies
ilium
Mendelian laws
Chordata