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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. The outermost - extra-embryonic membrane of reptiles and birds
chorion
estrogen
producer
antibody
2. The enzyme released from the blood platelets in vertebrates during clotting
neural tube
amnion
cotyledon
thrombokinase
3. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations
lactase
fitness
prothrombin
codominant
4. An accumulation of axons within the CNS that is white because it is fatty - myelin sheath
mutualism
peripheral nervous system
wood
white matter
5. Describes arthropods and other animals whose skeletal or supporting structures are outside the skin
functional groups
exoskeleton
deletion
corpus luteum
6. Pertaining to the head
cotyledon
fibrinogen
lymphocyte
cephalic
7. A terrestrial habitat zone that is characterized by large tracts of coniferous forests - long and cold winters - and short summers
morula
taiga
crossing over
pyloric valve
8. The study of the evolutionary descent and interrelations of groups of organisms
humerus
phylogeny
binary fission
autolysis
9. Organelles that serve as specialized containers for metabolic reactions
microbodies
mitosis
insulin
primary spermatocyte
10. Tissue formed by the differentiation of cambium that causes a growth in width of a plant system
centrosome
secondary tissue
primary oocyte
endoderm
11. Passively floating or drifting flora and fauna of a body of water; consists mainly of microscopic organisms
gray matter
sex chromosome
plankton
endocrine gland
12. A nitrogen base that is present in nucleotides and nucleic acids; it is paired with guanine
polymorphism
glomerulus
endoderm
cytosine
13. A thyroid deficiency that results in stunted growth and feeblemindedness
cretinism
synapsis
substrate
hypotonic
14. 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
spermatogenesis
chorion
lymphocyte
endosperm
15. The uppermost portion of pistil upon which pollen grains alight
ilium
stigma
centriole
pleural cavity
16. A hormonal secretion of the adrenal cortex
glycogen
RNA
cortisone
pituitary
17. The intake of food from the environment into the alimentary canal
morphology
ingestion
producer
micron (micrometer)
18. A stage of mitosis; chromosomes line up at the equator of the cell
metabolism
metaphase
zygote
glycogen
19. The outer - transparent layer of the eye
ADH (vassopressin)
hypothalamus
cornea
herbivore
20. A stomach enzyme that partially digests proteins
recessive
nictitating membrane
centrosome
pepsin
21. The sensory branch of each spinal nerve
dorsal root
bacteriophage
cytoskeleton
goiter
22. A dominant allele suppresses the expression of the other member of an allele pair when both members are present
photolysis
estrogen
pineal body
dominance
23. Functional urinary tubules responsible for excretion in the kidney of vertebrates
frame shift mutation
Rh factor
nephron
crossing over
24. An individual that is heterozygous for only one trait
plexus
monohybrid
endemic
legume
25. A blood vessel that carries blood back to the heart from the capillaries
Graffian follicle
vein
phenotype
corpus callosum
26. A female sex hormone secreted by the follicle
estrogen
mutualism
hormone
metabolism
27. Deoxyribonucleic acid; found in cell nucleus - its basic unit is the nucleotide; contains coded genetic information; can replicate on the basis of heredity
peripheral nervous system
hypotonic
gametophyte
DNA
28. A stage of embryonic development characterized by the differentiation of the cells into the ectoderm and endoderm germ layers and by the formation of the archenteron
Rh factor
pH
corpus callosum
gastrula
29. A small projection in the walls of the small intestine that increases the surface area available for absorption
granum
budding
villus
peripheral nervous system
30. The largest portion of the human brain; it is believed to be the center of intelligence - conscious thought and sensation
lactase
seminiferous tubules
cerebrum
thrombin
31. Any chromosome that is not a sex chromosome
autosome
sinus
maltase
stroma
32. Protein threads that form in the blood during clotting
cytokinesis
fibrin
pelagic zone
dominance
33. The part of the body of an animal that is between the neck or head and the abdomen
thorax
lysosome
pinocytosis
isomer
34. A change from a diploid nucleus to a haploid nucleus - as in meiosis
ecological succession
reduction
disaccharide
commensal
35. The largest artery; carries blood from the left ventricle
chloroplast
aorta
coenzyme
metamorphosis
36. The large intestine
functional groups
colon
dimorphism
smooth muscle
37. Agent that induces mutations; typically carcinogenic
Porifera
disjunction
mutagenic agent
nucleolus
38. The phylum to which segmented worms belong
cytokinesis
FSH
ureter
Annelida
39. A mutation involving the addition or loss of nucleotides
epinephrine
aqueous humor
dihybrid
frame shift mutation
40. The physical appearance or makeup of an individual - as opposed to its genetic makeup
synapsis
photoperiodism
phenotype
parasympathetic
41. The separation of homologous pairs of chromosomes following meiotic synapsis
spore
hypothalamus
ecology
disjunction
42. A protein compound containing iron that is found in red blood cells
cleavage
hemoglobin
micron (micrometer)
geographical barrier
43. Nonliving - as in the physical environment
stomach
chorion
abiotic
aortic arch
44. 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
appendage
binary fission
cleavage
duodenum
45. A progressive change from which a permanently more mature or advanced state results
gill slit
translocation
differentation
adrenocorticotrophic hormone
46. A pouched mammal - such as the kangaroo or opossum
assortative mating
marsupial
urethra
interstitial cells
47. A ductless gland that secretes hormones directly into the bloodstream
Arachnida
gene
villus
endocrine gland
48. The production of daughter cells by means other than the sexual union of gametes (as in budding and binary fission)
phylogeny
asexual reproduction
epicotyl
prothrombin
49. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)
vein
microbodies
consumer
ptyalin
50. The outermost embryonic germ layer that gives rise to the epidermis and the nervous system
asexual reproduction
clotting
alveolus
ectoderm