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Test your basic knowledge |
SAT Subject Test: Biology
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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 pyrimidine found in RNA (but not DNA); pairs with DNA adenine
antigen
uracil
pelagic zone
mucosa
2. The recycling of carbon from decaying organisms for use in future generations
sporophyte
enzyme
carbon cycle
appendage
3. The contraction of the atria or ventricles of the heart
monocotyledon
uterus
systole
peptide
4. A short - stubby rod consisting of chromatin that is found in the nucleus of the cells; contains the genetic or hereditary component of cells (in the form of genes)
ribosome
chromosome
emulsion
goiter
5. An over secretion of thyroid that leads to high metabolism and exopthalmia goiter
biotic
thorax
hyperthyroidism
oxidation
6. A substance that is acted upon by an enzyme
plasmodium
substrate
endocrine gland
plankton
7. A process of cell division whereby each daughter cell receives only one set of chromosomes; the formation of gametes
amnion
dihybrid
ventral root
meiosis
8. Describes organisms that are cooperative in action - such as hormones or other growth factors that reinforce each other's activity
vein
ethanol fermentation
coenzyme
synergistic
9. The sensory branch of each spinal nerve
dorsal root
assortative mating
inner ear
ribosome
10. The outermost bone of the middle ear (hammer)
chlorophyll
sensory neuron
urine
malleus
11. A jellyfish
uracil
Chordata
respiratory center
medusa
12. The part of the hindbrain located in the brain stem
steroid
spindle
pons
nucleolus
13. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells
flagellum
lacteal
primary oocyte
hepatic portal system
14. In plants - the tissue between the epidermis and the vascular cylinder in the roots and stems of plants; in animals - the outer tissue of some organs
hemoglobin
permeability
cortex
capillary
15. The cellular layer that covers external and internal surfaces
taxonomy
imprinting
estrogen
epithelium
16. Any movement or growth of a living organism in response to the force of gravity
exocytosis
geotropism
Chordata
hermaphrodite
17. A vacuole in the cytoplasm in which digestion takes place (in protozoans)
axon
recessive
isomer
food vacuole
18. A nerve fiber
axon
buffer
cochlea
fibrinogen
19. An enzyme from the pancreas that digests proteins in the small intestine
trypsin
cortex
legume
nerve cord
20. The basal branch of each spinal nerve; carries motor neurons
genetic drift
epididymis
Loop of Henle
ventral root
21. Anaerobic respiration the yields 2 molecules of ATP - lactic acid - ethyl alcohol and carbon dioxide or some similar compound via the glycolytic pathway
codominant
planaria
fermentation
sympathetic
22. A structure of the eye that focuses images on the retina by changing its convexity
chloroplast
polyploidy
epiphyte
lens
23. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA
sex chromosome
deoxyribose
pituitary
amnion
24. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti
cochlea
phototropism
stomach
mutualism
25. A bundle of nerve axons
nerve
medulla oblongata
angiosperm
emulsion
26. A blood clot that is formed within a blood vessel
embolus
monohybrid
dihybrid
gene frequency
27. A flesh-eating animal; a holotrophic animal that subsists on other animals or parts of animals
Annelida
homozygous
carnivore
F2
28. Pertains to a gene or characteristic that is masked when a dominant allele is present
recessive
exoskeleton
nerve
ptyalin
29. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions
homologous
frame shift mutation
nucleotide
organelle
30. A thyroid deficiency that results in stunted growth and feeblemindedness
cretinism
parasitism
anaphase
epithelium
31. A compact linear organization of nerve tissues with ganglia in the CNS
nerve cord
axon
adaptation
species
32. A hormone that stimulates plant stem elongation
gibberellin
exoskeleton
hydrostatic skeleton
synapse
33. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations
disaccharide
fitness
circadian rhythms
cation
34. A waxy protective layer secreted by the outer surface of plants - insects - etcetera
thrombin
cuticle
neural tube
chemosynthesis
35. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")
lipase
pinocytosis
Calvin cycle
chromatid
36. One of the primary tissues of the embryo
endoplasm
germ layer
organelle
Golgi apparatus
37. A section of the posterior forebrain associated with the pituitary gland
ureter
ganglion
hypothalamus
coenzyme
38. The process of breaking down large organic molecules into smaller ones
cross-pollination
digestion
endoplasmic reticulum
zygote
39. Fluid excreted by the kidney containing urea - water - salts - etc
chemotropism
urine
dimorphism
reticulum
40. The recycling of nitrogen from decaying organism for use in future generations
olfactory
oxidation
deamination
nitrogen cycle
41. Functional urinary tubules responsible for excretion in the kidney of vertebrates
chromatin
nephron
duodenum
levels of structure
42. A structure that extends from the trunk of an organism and is capable of active movements
appendage
pulmonary
uterus
feedback mechanism
43. The law by which genes on different chromosomes are inherited independently of each other
nephron
independent assortment
F2
ecological succession
44. A cell in the retina that is sensitive to weak light
pulmonary
rod
turgor pressure
Graffian follicle
45. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)
carapace
deamination
egg
FSH
46. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions
clotting
Coelentrata
hormone
olfactory
47. xylem that is no longer being used
stigma
cell wall plate
chyme
wood
48. The thin-walled anterior chamber of the heart (also called the auricle)
zygote
pairing
atrium
dominance
49. A disease-causing organism
metabolism
xylem
pathogen
capillary
50. The veins that carry blood from the digestive organs to the liver
hepatic portal system
oviduct
inner ear
integument
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