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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 kind of bond formed when two amino acid units are jointed end to end
peptide
lipid
Golgi apparatus
lipase
2. Multicellular organism
eukaryote
translation
biotic
peristalsis
3. The recycling of nitrogen from decaying organism for use in future generations
nitrogen cycle
thymus
pituitary
parenchyma
4. The ways in which organisms regulate their supply of water
analogous
monocotyledon
osmoregulation
littoral zone
5. A multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm
nondisjunction
primary oocyte
nerve net
circadian rhythms
6. The colored part of the eye that is capable of contracting and regulating the size of the pupils
disjunction
iris
plastid
endoplasmic reticulum
7. The enzyme released from the blood platelets in vertebrates during clotting
organelle
assimilation
thrombokinase
niche
8. Three membranes that envelop the brain and spinal cord (pia mater - dura mater and arachnoid)
rickettsia
epithelium
meninges
allantois
9. The central tissue of a stem - used for food storage
root hair
lymphocyte
thrombin
pith
10. Any chromosome that is not a sex chromosome
cerebrum
genetic drift
genus
autosome
11. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells
consumer
linkage
assortative mating
stoma
12. An organism that does not require free oxygen in order to respire
medusa
synaptic terminal
anaerobe
cytokinesis
13. A thyroid deficiency that results in stunted growth and feeblemindedness
oviduct
cretinism
excretion
Protista
14. A membrane that envelopes the nucleus and separates it from the cytoplasm; present in eukaryotes
anther
nuclear membrane
photolysis
allele
15. The innermost tissue layer of the eyeball that contains light-sensitive receptor cells
eukaryote
retina
cerebral hemisphere
allantois
16. The thin - bent part of the renal tubule that is the site of the counter-current flow and the sodium gradient
assortative mating
Loop of Henle
immunity
cytosine
17. Pertaining to a subdivision of the autonomic nervous system of vertebrates
pH
parasympathetic
Calvin cycle
food vacuole
18. In mitosis of higher plants - the structure that forms between the divided nuclei of the two daughter cells and eventually becomes the cell wall
cell wall plate
fertilization
xylem
endemic
19. The system of naming an organism by its genus and species name
metaphase
binomial nomenclature
phylogeny
coelom
20. The hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium
thrombin
larva
steroid
progesterone
21. Pertaining to the head
cephalic
ethanol fermentation
prokaryote
thalamus
22. Agent that induces mutations; typically carcinogenic
mutagenic agent
autotroph
morula
spore
23. Usually referred to as ACTH and secreted by the anterior lobe of the pituitary gland; stimulates the adrenal cortex to produce its characteristic hormones
dominance
guard cell
polyploidy
adrenocorticotrophic hormone
24. The outermost - extra-embryonic membrane of reptiles and birds
chorion
nucleus
parasitism
ptyalin
25. One of the primary tissues of the embryo
osmoregulation
diencephalon
germ layer
diploid
26. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers
ilium
parasympathetic
antibody
taiga
27. Organism that consumes food from outside itself instead of producing it
herbivore
consumer
homologous
plastid
28. Describes arthropods and other animals whose skeletal or supporting structures are outside the skin
peptide
exoskeleton
colon
mitosis
29. The study of form and structure
plasma membrane
antibody
morphology
endocrine gland
30. A blood vessel that carries blood away from the heart
photoperiodism
artery
nondisjunction
somatic cell
31. The removal of an amino group from an organism - particularly from an amino acid
deamination
carbohydrate
epiphyte
macula
32. Functional urinary tubules responsible for excretion in the kidney of vertebrates
nephron
progesterone
thryoxin
primary oocyte
33. The mammalian oviduct that leads from the ovaries to the uterus
bud
fallopian tube
parenchyma
ethanol fermentation
34. A pyrimidine component of nucleic acids and nucleotides; pairs with adenine in DNA
thymine
biotic
pedigree
heterotroph
35. A process by which the cytoplasm and the organelles of the cell divide; the final stage of mitosis
cytokinesis
ADH (vassopressin)
turgor pressure
pseudopod
36. Structures in the testes that produce sperm and semen
centrosome
retina
seminiferous tubules
disjunction
37. A tract of nerve fibers connecting the two cerebral hemispheres
Chordata
Coelentrata
carapace
corpus callosum
38. The failure of some homologous pairs of chromosomes to separate following meiotic synapsis
pharynx
nondisjunction
thymine
codominant
39. A grouping of neuron cell bodies that acts as a coordinating center
protein
embolus
ganglion
sex chromosome
40. Blood protein that is transformed to fibrin upon clotting
cotyledon
fibrinogen
flagellate
osmosis
41. The outermost embryonic germ layer that gives rise to the epidermis and the nervous system
gibberellin
homeotherm
ectoderm
phylogeny
42. Protective immunity to a disease in which the individual produces antibodies as a result of previous exposure to the antigen
androgen
irritability
cortex
active immunity
43. A type of anaerobic respiration found in fungi - bacteria and human muscle cells
deamination
mitochondria
allele
lactid acid fermentation
44. A nitrogenous base such as adenine or guanine; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
conditioning
pleural cavity
seminal fluid
purine
45. An animal with a constant body temperature
polyp
homeotherm
cloaca
adrenaline (epinephrin)
46. A ring-shaped muscle that is capable of closing a tubular opening by constriction
climax community
carbon cycle
sphincter
sucrase
47. A group of life-maintaining processes that includes nutrition - respiration (the production of usable energy) and the synthesis and degradation of biochemical substances
parthenogenesis
bacteriophage
metabolism
herbivore
48. The part of the alimentary canal between the mouth and the esophagus
pharynx
levels of structure
serum
telophase
49. Self-digestion occurring in plant and animal tissues - particularly after they have ceased to function properly
phylogeny
thyroid
guanine
autolysis
50. A structure in animal cells containing centrioles from which the spindle fibers develop
gylcolysis
electron transport chain
centrosome
mutation
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