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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 triploid tissue in some seeds that contains stored food and is formed by the union of one sperm nucleus with two nuclei of the female's gametophyte
medulla
endosperm
ecology
pyrimidine
2. Substance secreted by organisms that influences the behavior of other members of the same species
assimilation
geographical barrier
pheromone
hypertonic
3. An ion with a positive charge - or an ion that migrates towards the cathode (negative electrode) in an electric field
estrogen
assimilation
cation
seminiferous tubules
4. Pertains to a gene or characteristic that is masked when a dominant allele is present
peptide
aorta
recessive
glottis
5. The process of forming the sperm cells from primary spermatocytes
spermatogenesis
androgen
irritability
frame shift mutation
6. 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)
thalamus
cloaca
medusa
metamorphosis
7. The ability to respond to a stimulus
chorion
spore
stoma
irritability
8. Relating to the lung
pheromone
pulmonary
endosperm
antibiotic
9. The more muscular chamber(s) of the heart that pump blood to the lungs and to the rest of the body
chromatid
stoma
ventricle
Arachnida
10. The central tissue of a stem - used for food storage
oogenesis
pith
antibiotic
seminal fluid
11. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water
thrombokinase
root hair
exocrine
binary fission
12. A hormonal secretion of the adrenal cortex
conditioning
cortisone
cytosine
seminiferous tubules
13. The phylum of sponges
ventral root
alveolus
translation
Porifera
14. An organelle that contains enzymes that aid in intracellular digestion
epididymis
oxidation
lysosome
symbiosis
15. The veins that carry blood from the digestive organs to the liver
polar body
Chordata
binomial nomenclature
hepatic portal system
16. The stage in mitosis that is characterized by the migration of chromatids to opposite ends of the cell; the stage in meiosis during which homologus pairs migrate (Anaphase I) - and the stage in meiosis during which chromatids migrate to different end
urethra
hormone
anaphase
deoxyribose
17. A neuron that picks up impulses from receptors and transmits them to the spinal cord
clotting
sensory neuron
corpus callosum
cortisone
18. A body fluid that flows in its own circulatory fluid in lymphatic vessels separate from blood circulation
iris
hypertonic
lymph
parathyroid
19. An organism that possesses one or more whiplike appendages called flagella
aqueous humor
flagellate
monohybrid
recombinant DNA technology
20. The study of the evolutionary descent and interrelations of groups of organisms
phylogeny
Calvin cycle
cytokinesis
Arachnida
21. The cellular layer that covers external and internal surfaces
host
epithelium
bile
hormone
22. A section of the posterior forebrain associated with the pituitary gland
mitosis
reticulum
glycogen
hypothalamus
23. A structure that extends from the trunk of an organism and is capable of active movements
pineal body
appendage
phylum
endocrine gland
24. The ways in which organisms regulate their supply of water
secondary tissue
enzyme
osmoregulation
epiphyte
25. A progressive change from which a permanently more mature or advanced state results
monocotyledon
differentation
neural tube
cerebral cortex
26. The external opening of the trachea in insects
cephalic
spiracle
telophase
hermaphrodite
27. The orderly process by which one biotic community replaces another until a climax community is established
ecological succession
vestigial organ
glottis
planaria
28. A ductless gland in upper chest region concerned with immunity and the maturation of lymphocytes
thymus
genetic code
lipase
trypsin
29. The recycling of nitrogen from decaying organism for use in future generations
nitrogen cycle
cerebral hemisphere
maltase
appendage
30. An association between an algae and a fungus that is symbiotic and mutualistic in nature
osmosis
metaphase
lichen
immunity
31. A class of arthropods that includes scorpions - spiders - mites and ticks
small intestine
Arachnida
polyploidy
heterotroph
32. 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
consumer
ilium
spermatogenesis
cell wall
33. One of the paired lateral divisions of the forebrain
translation
cerebral hemisphere
cross-pollination
isolation
34. A form of anaerobic respiration found in yeast and bacteria
ethanol fermentation
ventral root
centrosome
chemosynthesis
35. Pertaining to a subdivision of the autonomic nervous system of vertebrates
parasympathetic
anther
chloroplast
sex chromosome
36. The separation of homologous pairs of chromosomes following meiotic synapsis
urea
endocrine gland
disjunction
ribosome
37. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system
heterotroph
lymph capillary
population
nerve net
38. The basal branch of each spinal nerve; carries motor neurons
ventral root
capillary
serum
hormone
39. One of a pair of kidney-shaped cells that surround a stomate and regulate the size of the stomate in a leaf
isolation
regeneration
guard cell
abiotic
40. A dense fluid within the chloroplast in which CO2 is converted into sugars in photosynthesis
nucleus
epidermis
fertilization
stroma
41. A four-letter code made up of the DNA nitrogen bases A - T - G and C; each chromosome is made up of thousands of these bases
epithelium
respiration
genetic code
cerebrum
42. A large molecule that is composed of many similar molecule units
emulsion
adaptive radiation
buffer
polymer
43. An organism that must get its inorganic and organic raw materials from the environment; a consumer
heterotroph
hydrostatic skeleton
substrate
photoperiodism
44. The inner layer of an organ surrounded by the cortex
climax community
medulla
humerus
nerve net
45. The law by which genes on different chromosomes are inherited independently of each other
epicotyl
trypsin
independent assortment
stigma
46. A tract of nerve fibers connecting the two cerebral hemispheres
pinocytosis
deletion
antibiotic
corpus callosum
47. A group of populations that can interbreed
gall bladder
autotroph
species
exoskeleton
48. Random evolutionary changes in the genetic makeup of a population
polymorphism
plexus
genetic drift
cell wall plate
49. A structure in animal cells containing centrioles from which the spindle fibers develop
systole
guard cell
FSH
centrosome
50. Three membranes that envelop the brain and spinal cord (pia mater - dura mater and arachnoid)
coelom
mitosis
plasma
meninges
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