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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. An organic compound to which hydrogen and oxygen are attached; the hydrogen and oxygen are in a 2:1 ratio; examples include sugars - starches and cellulose
epinephrine
carbohydrate
genetic drift
cerebral cortex
2. A nitrogenous base such as adenine or guanine; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
thoracic duct
reduction
purine
hepatic portal system
3. A large molecule that is composed of many similar molecule units
genotype
phagocyte
polymer
auxin
4. Movement of amoeba
goiter
pseudopod
cuticle
placenta
5. An association of homologous chromosomes during the first meiotic division
endoplasmic reticulum
NADP
pairing
corpus luteum
6. Fluid skeleton of annelids
hydrostatic skeleton
cytokinesis
germ layer
carbohydrate
7. The orientation of cells or organisms in relation to chemical stimuli; the growth or movement response of organisms to chemical stimuli
chemotropism
spermatogenesis
androgen
cretinism
8. A process of cell division whereby each daughter cell receives only one set of chromosomes; the formation of gametes
Graffian follicle
meiosis
endosperm
sporophyte
9. Describes organisms that are cooperative in action - such as hormones or other growth factors that reinforce each other's activity
synergistic
larva
polar body
chemotropism
10. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin
vestigial organ
anther
pineal body
hybrid
11. One-thousandth of a millimeter; a unit of microscopic length
sex linkage
electron transport chain
nerve cord
micron (micrometer)
12. The pollination of the pistil of one flower with pollen from the stamen of a different flower of the same species
ecology
cross-pollination
centromere
urine
13. Partially digested food in the stomach
phloem
cuticle
chyme
isomer
14. A purine (nitrogenous base) component of nucleotides and nucleic acids; links with cytosine in DNA
pulmonary
cretinism
guanine
cephalic
15. The central tissue of a stem - used for food storage
placenta
Arachnida
pith
protein
16. The inner layer of an organ surrounded by the cortex
absorption
medusa
progesterone
medulla
17. The organelle that provides mechanical support and carries out motility functions for the cell
cytoskeleton
F1
follicle
lipid
18. The womb in which the fetus develops
plasma membrane
uterus
chromatid
insulin
19. The portion of alimentary canal in which some protein digestion occurs
fibrinogen
mesoderm
zygote
stomach
20. The study of form and structure
spore
osmosis
adrenal cortex
morphology
21. Substance secreted by organisms that influences the behavior of other members of the same species
contractile vacuole
cotyledon
pheromone
medusa
22. The type of mating that occurs when an organism selects a mating partner that resembles itself
ganglion
aerobic
assortative mating
nerve net
23. A hormone that ripens fruit and induces aging
ethylene
epiglottis
reduction
bacteriophage
24. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells
flagellum
platelet
cyton
osmosis
25. A wall composed of cellulose that is external to the cell membrane in plants; it is primarily involved in support and in the maintenance of proper internal pressure
cell wall
endoplasmic reticulum
chyme
bacteriophage
26. Random evolutionary changes in the genetic makeup of a population
alveolus
genetic drift
somatic cell
trilobite
27. All the members of a given species inhabiting a certain locale
mitochondria
population
anaerobic
nephron
28. The outermost surface of an organism
epidermis
Loop of Henle
synapsis
species
29. An organism that utilizes the energy of inorganic materials such as water and carbon dioxide or the sun to manufacture organic materials
biome
endoplasmic reticulum
autotroph
urethra
30. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions
diploid
stomach
cytoskeleton
clotting
31. Organelles that serve as specialized containers for metabolic reactions
active immunity
parthenogenesis
parasitism
microbodies
32. Describes an individual that has the same gene for the same trait on each homologous chromosome
epiphyte
homozygous
pons
neuron
33. The kind of bond formed when two amino acid units are jointed end to end
thrombin
cortisone
peptide
prokaryote
34. Fluid-filled structures in the inner ear that are associated with the sense of balance
smooth muscle
semicircular canals
amnion
synapsis
35. The innermost embryonic germ layer that gives rise to the lining of the alimentary canal and to the digestive and respiratory organs
chlorophyll
phenotype
lysosome
endoderm
36. A waxy protective layer secreted by the outer surface of plants - insects - etcetera
granum
cytosine
adrenal medulla
cuticle
37. A structure that extends from the trunk of an organism and is capable of active movements
Golgi apparatus
transcription
genotype
appendage
38. Related to the sense of smell
anaphase
olfactory
malleus
spindle
39. Protein threads that form in the blood during clotting
fibrin
phylogeny
eukaryote
retina
40. A network or mesh of fibrils - fibers or filaments
reticulum
chloroplast
haploid
ectoderm
41. The living together of two organisms in an intimate relationship
symbiosis
trilobite
active immunity
synapse
42. A tract of nerve fibers connecting the two cerebral hemispheres
cerebellum
pulmonary
corpus callosum
granum
43. The recycling of nitrogen from decaying organism for use in future generations
monocotyledon
nitrogen cycle
selective breeding
heterotroph
44. Cytoplasmic bodies within a plant cell that are often pigmented
fibrin
plastid
epidermis
telophase
45. An organism that must get its inorganic and organic raw materials from the environment; a consumer
seminiferous tubules
heterotroph
plasma membrane
linkage
46. A portion of the CNS consisting of cytons (cell bodies) - their dendrites and synaptic connections
plasma
gray matter
phototropism
mitosis
47. The transfer of a piece of chromosome to another chromosome
meiosis
Crustacea
translocation
cortex
48. Describes cells (gametes) that have half the chromosome number typical of the species
chorion
haploid
morphology
independent assortment
49. A space in the body
bud
endoplasm
nucleus
sinus
50. The contraction of the atria or ventricles of the heart
nitrogen cycle
prothrombin
alimentary canal
systole
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