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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. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin
exocrine
pineal body
pituitary
plexus
2. Cytoplasmic organelles that serve as sites of respiration; a rod-shaped body in the cytoplasm known to be the center of cellular respiration
ganglion
anaerobic
egg
mitochondria
3. The sensory branch of each spinal nerve
flagellum
point mutation
autosome
dorsal root
4. One of a pair of kidney-shaped cells that surround a stomate and regulate the size of the stomate in a leaf
bacteriophage
guard cell
Coelentrata
ectoderm
5. A remnant of follicle after ovulation that secretes the hormone progesterone
alternation of generations
myelin sheath
corpus luteum
emulsion
6. A fatty sheath surrounding the axon of a neuron that aids in stimulus transmission; it is secreted by the Schwann cells
cyton
medusa
myelin sheath
chorion
7. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")
hyperthyroidism
excretion
Calvin cycle
transpiration
8. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water
root hair
polar body
cerebral hemisphere
thymus
9. An organism that must get its inorganic and organic raw materials from the environment; a consumer
nondisjunction
medusa
peristalsis
heterotroph
10. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)
ptyalin
frame shift mutation
lactid acid fermentation
humerus
11. A structure that extends from the trunk of an organism and is capable of active movements
hypertonic
appendage
urine
nerve net
12. A small projection in the walls of the small intestine that increases the surface area available for absorption
oxidation
osmoregulation
phototropism
villus
13. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers
taiga
chorion
reduction
morphology
14. Pertaining to a type of gland that releases its secretion through a duct
hepatic portal system
plexus
exocrine
flagellate
15. A blood clot that is formed within a blood vessel
embolus
carbohydrate
follicle
trachea
16. The veins that carry blood from the digestive organs to the liver
hepatic portal system
monosaccharide
translocation
coenzyme
17. 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
urea
autosome
lymph
imprinting
18. 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
inversion
primary oocyte
zygote
luteinizing hormone (LH)
19. A specialized structure that carries out particular functions for eukaryotic cells
amnion
inner ear
organelle
bile salts
20. An organelle that contains enzymes that aid in intracellular digestion
amnion
RNA
fallopian tube
lysosome
21. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)
carbohydrate
nucleotide
nictitating membrane
reticulum
22. A female sex hormone secreted by the follicle
epithelium
gonads
estrogen
oxidation
23. The recycling of nitrogen from decaying organism for use in future generations
nitrogen cycle
plankton
aortic arch
plasma
24. The inner portion of the cytoplasm of a cell or the portion that surrounds the nucleus
aerobe
appendage
endoplasm
autonomic nervous system
25. The cell membrane
plasma membrane
point mutation
prophase
permeability
26. 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
endosperm
fibrinogen
genetic code
anaerobic
27. 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
test cross
seminal fluid
endoplasmic reticulum
mesoderm
28. A reproductive cell that is capable of developing directly into an adult
gray matter
spore
climax community
parathyroid
29. A marine biome; a region on the continental shelf that contains an ocean area with depths of up to 600 ft
lysosome
polyploidy
assimilation
littoral zone
30. A constituent of the plasma of the blood of vertebrates; it is converted to thrombin by thrombokinase in the presence of calcium ions - thus contributing to the clotting of blood
ecological succession
gamete
glycogen
prothrombin
31. A gland composed of two parts - anterior and posterior - each with its own secretions; called the "master gland" because its hormones stimulate secretions by other glands
pituitary
planaria
food vacuole
pulmonary
32. The transformation of an immature animal into an adult; a change in the form of an organ or structure
ecological succession
metamorphosis
asexual reproduction
ventricle
33. An enzyme that acts upon maltose and converts it into glucose
clotting
chlorophyll
maltase
sinus
34. A waxy protective layer secreted by the outer surface of plants - insects - etcetera
hypocoytl
ingestion
plankton
cuticle
35. The removal of hydrogen or electrons from a compound or addition of oxygen; half of a redox (oxidation or reduction) process
oxidation
geographical barrier
cone
luteinizing hormone (LH)
36. The stable - biotic part of the ecosystem in which populations exist in balance with each other and with the environment
genetic drift
physiology
climax community
Krebs cycle
37. An abbreviation of nicotinamide-adenine-dinucleotide - also called DPN; a respiratory oxidation-reduction molecule
translation
littoral zone
malpighian tubules
NAD
38. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin
pH
genotype
chromosome
spindle
39. A pyrimidine found in RNA (but not DNA); pairs with DNA adenine
uracil
trypsin
nondisjunction
telophase
40. The system of naming an organism by its genus and species name
binomial nomenclature
parathyroid
cell wall
meninges
41. A tube one cell thick that carries blood from artery to vein; the site of material exchange between the blood and tissues of the body
assimilation
capillary
gametophyte
osmosis
42. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules
adenosine phosphate
telophase
pairing
coelom
43. An organic nutrient required by organisms in small amounts to aid in proper metabolic processes
abiotic
vitamin
meiosis
peristalsis
44. Structures in the testes that produce sperm and semen
seminiferous tubules
anaerobic
transcription
gametophyte
45. The part of the alimentary canal between the mouth and the esophagus
pharynx
stomach
lipid
chlorophyll
46. An animal phylum in which all members have a notochord - dorsal nerve cord and pharyngeal gill slits at some embryonic stage; includes the Cephalochordata and the Vertebrates
vestigial organ
Chordata
chorion
epinephrine
47. A kind of white blood cell in vertebrates that is characterized by a rounded nucleus; involved in the immune response
medulla oblongata
lymphocyte
nucleotide
rhizome
48. Describes cells that have a double set of chromosomes in homologous pairs (2n)
Eustachian tube
vagus nerve
isomer
diploid
49. A dominant allele suppresses the expression of the other member of an allele pair when both members are present
taiga
integument
dominance
niche
50. The outermost surface of an organism
epidermis
coenzyme
lipid
synaptic terminal