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Test your basic knowledge |
SAT Subject Test: Biology
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Subjects
:
sat
,
science
,
biology
Instructions:
Answer 50 questions in 15 minutes.
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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 microspore of a seed plant
ADH (vassopressin)
pollen
goiter
cerebral hemisphere
2. 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
egg
mesoderm
hepatic portal system
ganglion
3. A hormone that ripens fruit and induces aging
Annelida
substrate
pulmonary
ethylene
4. Describes an organism that lives symbiotically with a host; this host neither benefits nor suffers from the association
appendage
crossing over
commensal
dihybrid
5. A fat or oil
cloaca
humerus
notochord
lipid
6. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")
aorta
gymnosperm
lactid acid fermentation
Calvin cycle
7. 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)
cloaca
polysaccharide
esophagus
ethanol fermentation
8. The conversion of digested foods and other materials into forms usable by the body (i.e. - the conversion of amino acids into proteins)
gamete
assimilation
fallopian tube
consumer
9. 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
herbivore
imprinting
Krebs cycle
biotic
10. A blood clot that is formed within a blood vessel
frame shift mutation
gametophyte
phagocyte
embolus
11. The womb in which the fetus develops
sex chromosome
iris
aqueous humor
uterus
12. The process of forming the sperm cells from primary spermatocytes
spermatogenesis
Graffian follicle
cone
dorsal root
13. A section of the posterior forebrain associated with the pituitary gland
herbivore
hypothalamus
adaptive radiation
gametophyte
14. Fluid in the eye - found between the cornea and the lens
irritability
pyloric valve
aqueous humor
incomplete dominance
15. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females
cytoskeleton
ovary
dimorphism
oviduct
16. A hoofed animal
aqueous humor
ungulate
autotroph
hemoglobin
17. Describes an individual that has the same gene for the same trait on each homologous chromosome
diffusion
aerobe
autonomic nervous system
homozygous
18. The state in which two genetic traits are fully expressed and neither dominates
codominant
atrium
cross-pollination
buffer
19. The mammalian oviduct that leads from the ovaries to the uterus
Krebs cycle
epicotyl
fallopian tube
epiphyte
20. Describes organisms that are cooperative in action - such as hormones or other growth factors that reinforce each other's activity
codominant
biome
analogous
synergistic
21. The smallest particle that is capable of carrying out photosynthesis; the functional unit of a chloroplast
reduction
humerus
androgen
granum
22. The central tissue of a stem - used for food storage
pith
vitamin
differentation
embolus
23. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections
urinary bladder
immunity
glottis
gray matter
24. A chemical messenger that is secreted by one part of the body and carried by the blood to affect another part of the body - usually a muscle or gland
parathyroid
hormone
iris
homozygous
25. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa
endemic
Protista
amnion
tundra
26. A reproductive cell that is capable of developing directly into an adult
pedigree
recombinant DNA technology
spore
substrate
27. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
central nervous system
pyrimidine
ovary
thrombokinase
28. Describes an individual that possesses two contrasting alleles for a given trait
polyploidy
heterozygous
platelet
geotropism
29. An organic catalyst and protein
enzyme
ptyalin
taiga
homologous
30. Globular proteins produced by tissues that destroy or inactivate antigens
gymnosperm
micron (micrometer)
mucosa
antibody
31. Substance secreted by organisms that influences the behavior of other members of the same species
functional groups
pheromone
assortative mating
fermentation
32. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers
taiga
mitosis
thymine
style
33. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions
clotting
cerebral cortex
FSH
uterus
34. A green pigment that performs essential functions as an electron donor and light "entrapper" in photosynthesis
chlorophyll
peristalsis
coelom
erythrocyte
35. A small projection in the walls of the small intestine that increases the surface area available for absorption
aerobe
ingestion
centrosome
villus
36. A muscular valve regulating the flow of food from the stomach to the small intestine
hepatic portal system
urine
dicotyledon
pyloric valve
37. One of a class of organic compounds that is composed of many amino acids; contains C - H - O and N
protein
style
recombinant DNA technology
Graffian follicle
38. A space in the cytoplasm of a cell that contains fluid
goiter
vacuole
central nervous system
vein
39. A membrane that envelopes the nucleus and separates it from the cytoplasm; present in eukaryotes
monosaccharide
seminiferous tubules
nuclear membrane
stomach
40. An embryonic structure that gives rise to the central nervous system
chromosome
neural tube
plasmodium
pseudopod
41. A protein compound containing iron that is found in red blood cells
maltase
mutagenic agent
fallopian tube
hemoglobin
42. The living matter of a cell - located between the cell membrane and the nucleus
codominant
cytoplasm
aerobe
serum
43. Any movement or growth of a living organism in response to the force of gravity
immunity
sex chromosome
cleavage
geotropism
44. A symbiotic relationship from which both organisms involved derive some benefit
lipid
Rh factor
gamete
mutualism
45. A foreign protein that stimulates the production of antibodies when introduced into the body of an organism
synapse
antigen
Loop of Henle
flagellate
46. A dominant allele suppresses the expression of the other member of an allele pair when both members are present
incomplete dominance
synaptic terminal
rickettsia
dominance
47. An organism that is heterozygous for two different traits
photoperiodism
dihybrid
carnivore
mesoderm
48. A hormone that stimulates plant stem elongation
hybrid
FSH
gibberellin
endoplasm
49. A ductless gland in upper chest region concerned with immunity and the maturation of lymphocytes
Porifera
aortic arch
thymus
adaptation
50. Multicellular organism
vagus nerve
eukaryote
vacuole
nucleotide
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