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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 dark-staining small body within the nucleus; composed of RNA
primary oocyte
nephron
gastrula
nucleolus
2. The extraembyonic membrane of birds - reptiles and mammals that serves as an area of gaseous exchange and as a site for the storage of noxious excretion products
allantois
stigma
morphology
species
3. The recycling of nitrogen from decaying organism for use in future generations
thymus
nitrogen cycle
wood
pedigree
4. A substance that is acted upon by an enzyme
synergistic
substrate
ribosome
translocation
5. The outer layer of cerebral hemispheres in the forebrain - consisting of gray matter
cerebral cortex
seminiferous tubules
epiphyte
ureter
6. A lateral region of the forebrain
mutation
peristalsis
humerus
thalamus
7. The thigh bone of vertebrates
budding
cretinism
lipase
femur
8. The thin-walled anterior chamber of the heart (also called the auricle)
ptyalin
olfactory
isotonic
atrium
9. Usually referred to as ACTH and secreted by the anterior lobe of the pituitary gland; stimulates the adrenal cortex to produce its characteristic hormones
adrenocorticotrophic hormone
parthenogenesis
urine
villus
10. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA
flagellate
fibrin
transcription
deoxyribose
11. A foreign protein that stimulates the production of antibodies when introduced into the body of an organism
gastrula
nondisjunction
plasma membrane
antigen
12. Fluid excreted by the kidney containing urea - water - salts - etc
urine
cleavage
population
gastrula
13. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac
rhodopsin
genotype
spiracle
amnion
14. Describes two or more structures that have similar forms - positions and origins despite the differences between their current functions
autosome
exoskeleton
spermatogenesis
homologous
15. Occurs when different traits are inherited together more often than they would have been by chance along; it is assumed that these traits are linked on the same chromosome
mutagenic agent
herbivore
eukaryote
linkage
16. A reproductive cell that is capable of developing directly into an adult
spore
antibiotic
diploid
morphology
17. A transmitter substance released from the axons of nerve cells at the synapse
placenta
fibrin
acetylcholine
ovary
18. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules
adenosine phosphate
meninges
deoxyribose
circadian rhythms
19. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin
pineal body
mucosa
pleural cavity
exoskeleton
20. A structure in animal cells containing centrioles from which the spindle fibers develop
colon
centrosome
androgen
larva
21. A cell that divides to form the polar body and the secondary oocyte
primary oocyte
prothrombin
egg
ADH (vassopressin)
22. 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
respiration
symbiosis
epiglottis
polymorphism
23. The haploid - sexual stage in the life cycle of plants
gametophyte
biotic
germ cell
secondary tissue
24. The phylum of sponges
thalamus
alimentary canal
nerve
Porifera
25. The intake of fluid droplets into a cell
pinocytosis
monosaccharide
self-pollination
Protista
26. A cell that divides to form two secondary spermatocytes
fruit
exocrine
primary spermatocyte
spindle
27. An organic molecule consisting of joined phosphate - 5-carbon sugar (deoxyribose or ribose) - and a purine or a pyrimidine (adenine - guanine - uracil - thymine or cytosine)
FSH
thalamus
gene frequency
nucleotide
28. The mammalian oviduct that leads from the ovaries to the uterus
fallopian tube
mutualism
monocotyledon
marsupial
29. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty
duodenum
aerobic
wood
linkage
30. A mass of cells that have similar structures and perform similar functions
active immunity
parthenogenesis
tissue
polysaccharide
31. The vascular tissue of a plant that transports organic materials (photosynthetic products) from the leaves to other parts of the plant
plasma
trachea
phloem
biome
32. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron
legume
synapse
alveolus
pyrimidine
33. A process of formation of ova
oogenesis
crossing over
duodenum
spermatogenesis
34. A cell in the retina that is sensitive to colors and is responsible for color vision
spindle
cone
cambium
functional groups
35. The separation of some members of a population from the rest of their species; prevents interbreeding and may lead to the development of a new species
neuron
isolation
amnion
thrombin
36. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea
Rh factor
fertilization
polyp
spiracle
37. A 12-carbon sugar that is formed by the union of two glucose units (a disaccharide)
hepatic portal system
maltose
respiration
niche
38. A structure of the eye that focuses images on the retina by changing its convexity
urea
diencephalon
synergistic
lens
39. Process of aerobic respiration that fully harvests the energy of glucose; also known as the citric acid cycle
guard cell
Krebs cycle
atrium
peristalsis
40. A flesh-eating animal; a holotrophic animal that subsists on other animals or parts of animals
carnivore
gibberellin
cortisone
iris
41. A fat or oil
Porifera
niche
lipid
thalamus
42. Random evolutionary changes in the genetic makeup of a population
dimorphism
cytosine
genetic drift
taxonomy
43. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male
root hair
cornea
vestigial organ
sex chromosome
44. A network of membrane-enclosed spaces connected with the nuclear membrane; transports materials through the cell; can be soft or rough
Rh factor
endoplasm
ectoderm
endoplasmic reticulum
45. 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)
cloaca
binary fission
neural tube
synapse
46. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions
appendage
symbiosis
homozygous
clotting
47. The biome located between the polar region and the tiaga
tundra
adaptive radiation
lacteal
cyton
48. The innermost tissue layer of the eyeball that contains light-sensitive receptor cells
marsupial
fitness
retina
cerebral cortex
49. Describes an individual that possesses two contrasting alleles for a given trait
polyploidy
interstitial cells
pollination
heterozygous
50. A nitrogenous base such as adenine or guanine; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
carnivore
purine
aortic arch
protein