SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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 substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added
gonads
autolysis
hypotonic
buffer
2. A hormone of the thyroid that regulates basal metabolism
Coelentrata
thryoxin
thalamus
mitosis
3. The fist stage of protein synthesis - in which the information coded in the DNA base is transcribed onto a strand of mRNA
genotype
chromatid
Annelida
transcription
4. An organelle that contains enzymes that aid in intracellular digestion
lysosome
centriole
exocytosis
hepatic portal system
5. An excretory product of protein metabolism
synapse
amnion
urea
wood
6. A tract of nerve fibers connecting the two cerebral hemispheres
corpus callosum
secondary tissue
polar body
white matter
7. 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
fitness
nerve cord
genetic code
cytokinesis
8. A thyroid deficiency that results in stunted growth and feeblemindedness
sporophyte
cretinism
guard cell
integument
9. The process of breaking down large organic molecules into smaller ones
polymorphism
gall bladder
digestion
endoplasm
10. The phylum of sponges
plastid
peripheral nervous system
Porifera
neuron
11. The cell body of a neuron
gibberellin
physiology
cyton
malpighian tubules
12. The navel
serum
diencephalon
umbilicus
stamen
13. The microspore of a seed plant
pollen
duodenum
egg
root hair
14. Chemical groups attached to carbon skeletons that give compounds their functionality
parenchyma
allantois
functional groups
respiratory center
15. A flowering plant with simple dry fruit - characterized by nodes on their roots that contain nitrogen-fixing bacteria
Crustacea
sucrase
progesterone
legume
16. A flesh-eating animal; a holotrophic animal that subsists on other animals or parts of animals
cell wall
carnivore
adaptation
thalamus
17. The separation of homologous pairs of chromosomes following meiotic synapsis
disjunction
polar body
sensory neuron
translocation
18. The phylum to which segmented worms belong
pupil
cortex
Annelida
aortic arch
19. The portion of the embryonic seed plant below the point of attachment of the coytledon; form the root
pleural cavity
hypocoytl
taxonomy
rod
20. The orderly process by which one biotic community replaces another until a climax community is established
fermentation
xylem
mitosis
ecological succession
21. The part of the nervous system that regulates the involuntary muscles - such as the walls of the alimentary canal; includes the parasympathetic and sympathetic nervous systems
functional groups
autonomic nervous system
linkage
recessive
22. The pairing of homologous chromosomes during meiosis
phagocyte
synapsis
thalamus
oogenesis
23. The reproductive organ that produces sex cells
corpus luteum
frame shift mutation
gonads
chlorophyll
24. The portion of alimentary canal in which some protein digestion occurs
phagocyte
nondisjunction
endoderm
stomach
25. An endocrine gland of vertebrates - usually paired - and located near or within the thyroid that secretes parathormone - which controls the metabolism of calcium
passive immunity
lymph capillary
parathyroid
aldosterone
26. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations
chyme
pistil
fitness
prophase
27. A perforation leading from the pharynx to the outside environment that is a characteristic of chordates at one stage of their development
gastrula
commensal
gill slit
fertilization
28. Organelles that serve as specialized containers for metabolic reactions
adrenal medulla
phylogeny
sucrase
microbodies
29. A compact linear organization of nerve tissues with ganglia in the CNS
inner ear
homeotherm
nerve cord
egg
30. The part of the alimentary canal between the mouth and the esophagus
neural tube
pharynx
polysaccharide
translocation
31. The part of the hindbrain located in the brain stem
pons
morphology
polyp
endoplasmic reticulum
32. A ductless gland in upper chest region concerned with immunity and the maturation of lymphocytes
thorax
diploid
thymus
tissue
33. Protein threads that form in the blood during clotting
recombinant DNA technology
nucleus
fibrin
umbilicus
34. Describes cells (gametes) that have half the chromosome number typical of the species
haploid
NAD
substrate
micron (micrometer)
35. A form of anaerobic respiration found in yeast and bacteria
lactase
larva
amnion
ethanol fermentation
36. The genetic makeup of an organism without regard to physical appearance
nondisjunction
trilobite
genotype
ptyalin
37. The inner portion of the cytoplasm of a cell or the portion that surrounds the nucleus
organelle
endoplasm
dominance
morphology
38. A class of arthropods that includes scorpions - spiders - mites and ticks
Loop of Henle
Arachnida
polysaccharide
mucosa
39. The class of free-living flatworms
cerebrum
planaria
hydrostatic skeleton
consumer
40. A chemical messenger that is secreted by one part of the body and carried by the blood to affect another part of the body - usually a muscle or gland
wood
hormone
Arthropoda
corpus callosum
41. The hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium
progesterone
eye
metaphase
ventral root
42. Organism that consumes food from outside itself instead of producing it
genetic drift
gylcolysis
ethanol fermentation
consumer
43. The outermost - extra-embryonic membrane of reptiles and birds
glottis
chorion
planaria
mucosa
44. A typical coelenterate individual with a hollow tubular body whose outer ectoderm is separated from its inner ectoderm by mesoglea
urea
polyp
ilium
Protista
45. A dark-staining small body within the nucleus; composed of RNA
plasma
nucleolus
blastula
antigen
46. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin
spindle
digestion
polar body
fertilization
47. A process of formation of ova
oogenesis
guard cell
alternation of generations
epiglottis
48. Fluid in the eye - found between the cornea and the lens
synergistic
epididymis
aqueous humor
root hair
49. Adenosine diphosphate (ADP) and adenosine triphosphate (ATP) - which are energy storage molecules
peptide
mitosis
phloem
adenosine phosphate
50. A mass of cells that have similar structures and perform similar functions
phylum
geographical barrier
coenzyme
tissue