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Test your basic knowledge |
SAT Subject Test: Biology
Start Test
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. An organelle that contains enzymes that aid in intracellular digestion
pituitary
point mutation
acetylcholine
lysosome
2. A fat or oil
lipid
chloroplast
frame shift mutation
recessive
3. In mammals - a flap of tissue above the glottis; it folds back over the glottis in swallowing to close the air passages of the lungs; contains elastic cartilage
white matter
dendrite
epiglottis
independent assortment
4. Pertaining to a restricted locality; ecologically - occurring only in one particular region
littoral zone
endemic
germ layer
mutualism
5. Pertaining to a subdivision of the autonomic nervous system
genetic code
sympathetic
frame shift mutation
pH
6. A bony or chitinous case or shield covering the back or part of the back of an animal (shell of a crab)
chloroplast
cretinism
carapace
femur
7. Secreted by the anterior pituitary gland - this hormone stimulates the conversion of a follicle into the corpus luteum and the secretion of progesterone by the corpus luteum
morula
wood
luteinizing hormone (LH)
colon
8. Describes cells that have a double set of chromosomes in homologous pairs (2n)
mitochondria
gene
diploid
humerus
9. The removal of an amino group from an organism - particularly from an amino acid
deamination
epididymis
pulmonary
gametophyte
10. Structures in the testes that produce sperm and semen
marsupial
seminiferous tubules
respiration
thorax
11. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome
Arachnida
gray matter
gene
testes
12. A section of the posterior forebrain associated with the pituitary gland
hypothalamus
germ layer
central nervous system
nucleus
13. The fusion of sperm and the egg to produce a zygote
amnion
endemic
fertilization
systole
14. The sensory organ of the inner ear of mammals; it is coiled and contains the organ of corti
cochlea
testes
chitin
diploid
15. A neuron that picks up impulses from receptors and transmits them to the spinal cord
cytoskeleton
thorax
sensory neuron
endocytosis
16. A nuclear protein of chromosomes that stains readily
chromatin
aorta
differentation
cuticle
17. Cytoplasmic organelles that serve as sites of respiration; a rod-shaped body in the cytoplasm known to be the center of cellular respiration
NAD
larva
secondary tissue
mitochondria
18. A nitrogenous base such as adenine or guanine; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
peptide
parthenogenesis
purine
neural tube
19. A colloidal system involving the dispersion of a liquid within a liquid
platelet
emulsion
pituitary
cortex
20. Degree of penetrability - as in membranes that allow given substances to pass through; the ability to penetrate
thermoregulation
rhodopsin
permeability
hemoglobin
21. The hindbrain region that controls equilibrium and muscular coordination
gylcolysis
cerebellum
thoracic duct
disjunction
22. A reproductive cell that is capable of developing directly into an adult
spore
respiratory center
pons
centriole
23. Functional urinary tubules responsible for excretion in the kidney of vertebrates
capillary
monocotyledon
synaptic terminal
nephron
24. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions
epiphyte
clotting
NADP
nitrogen cycle
25. A hydrogen carrier containing iron that functions in many cellular processes - including respiration
gill slit
genetic drift
codominant
cytochrome
26. An organic cofactor required for enzyme activity
coenzyme
symbiosis
peristalsis
monosaccharide
27. The part of the neuron that transmits impulses to the cell body
dendrite
differentation
ptyalin
cytochrome
28. A large class of arthropods - including crabs and lobsters
Crustacea
population
binary fission
small intestine
29. A flexible - supportive rod running longitudinally through the dorsum ventral to the nerve cord; found in lower chordates and in the embryos of vertebrates
permeability
thryoxin
notochord
hypothalamus
30. A blood vessel that carries blood away from the heart
lichen
artery
pelagic zone
protein
31. The outer layer of cerebral hemispheres in the forebrain - consisting of gray matter
cerebral cortex
hyperthyroidism
vestigial organ
analogous
32. A type of nuclear division that is characterized by complex chromosomal movement and the exact duplication of chromosomes; occurs in somatic cells
exocytosis
mitosis
alternation of generations
ectoderm
33. A cell that divides to form two secondary spermatocytes
adrenal medulla
polymorphism
primary spermatocyte
medulla
34. A hormonal secretion of the adrenal cortex
lipase
trachea
cortisone
photolysis
35. The solid ball of cells the results from cleavage of an egg; a solid blastula that precedes the blastula stage
turgor pressure
carapace
reduction
morula
36. One of a pair of kidney-shaped cells that surround a stomate and regulate the size of the stomate in a leaf
heterozygous
enzyme
metaphase
guard cell
37. The description of a plant life cycle that consists of a diploid - asexual - sporophyte generation and a haploid - sexual - gametrophyte generation
thermoregulation
trypsin
alternation of generations
chromatid
38. An enzyme from the pancreas that digests proteins in the small intestine
Arthropoda
interphase
trypsin
carapace
39. Substance secreted by organisms that influences the behavior of other members of the same species
anaerobe
pheromone
urea
lipid
40. The transfer of pollen to the micropyle or to a receptive surface that is associated with an ovule (such as stigma)
pollination
dicotyledon
glycogen
differentation
41. Asexual reproduction; in this process - the parent organism splits into two equal daughter cells
testes
phylogeny
binary fission
rod
42. Compounds in bile that aid in emulsification
bile salts
frame shift mutation
cephalic
metaphase
43. An organ that stores bile
gall bladder
gylcolysis
functional groups
nucleus
44. The part of the alimentary canal between the mouth and the esophagus
stoma
hermaphrodite
autotroph
pharynx
45. The contraction of the atria or ventricles of the heart
systole
ecological succession
asexual reproduction
pyloric valve
46. Any chromosome that is not a sex chromosome
androgen
Graffian follicle
root hair
autosome
47. Undifferentiated tissue in the stem of a plant that aids growth in width
cornea
cambium
platelet
vacuole
48. The removal of hydrogen or electrons from a compound or addition of oxygen; half of a redox (oxidation or reduction) process
carapace
myelin sheath
oxidation
ingestion
49. The fluid that remains after fibrinogen is removed from the blood plasma of vertebrates
pharynx
serum
ilium
cation
50. An ion with a positive charge - or an ion that migrates towards the cathode (negative electrode) in an electric field
cross-pollination
cation
interphase
bile salts