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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 substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added
glycogen
buffer
cytoplasm
Eustachian tube
2. The large intestine
colon
abiotic
asexual reproduction
endemic
3. Deoxyribonucleic acid; found in cell nucleus - its basic unit is the nucleotide; contains coded genetic information; can replicate on the basis of heredity
autolysis
dicotyledon
Chordata
DNA
4. One of the primary tissues of the embryo
carapace
germ layer
recombinant DNA technology
isolation
5. The process by which a certain function is regulated by the amount of the substance it produces
feedback mechanism
colon
food vacuole
guanine
6. One of the two strands that constitute a chromosome; chromatids are held together by the centromere
antibody
macula
gill slit
chromatid
7. A lateral region of the forebrain
lysosome
ecology
endoplasm
thalamus
8. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles
maltose
adrenaline (epinephrin)
deoxyribose
producer
9. A family tree depicting the inheritance of a particular genetic trait over several generations
pedigree
pineal body
purine
pepsin
10. The cell membrane
prophase
micron (micrometer)
plasma membrane
pineal body
11. Involuntary muscle
smooth muscle
asexual reproduction
macula
maltase
12. The innermost tissue layer of the eyeball that contains light-sensitive receptor cells
cytoskeleton
nictitating membrane
medulla
retina
13. A fat-digesting hormone
pineal body
protein
neuron
lipase
14. 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
nictitating membrane
hormone
somatic cell
chorion
15. An organic compound to which hydrogen and oxygen are attached; the hydrogen and oxygen are in a 2:1 ratio; examples include sugars - starches and cellulose
carbohydrate
hypothalamus
estrogen
nucleolus
16. A type of nuclear division that is characterized by complex chromosomal movement and the exact duplication of chromosomes; occurs in somatic cells
maltose
cerebral hemisphere
mitosis
lysosome
17. The cell body of a neuron
Arachnida
plasma
cyton
transpiration
18. A network or mesh of fibrils - fibers or filaments
ventricle
endoderm
nictitating membrane
reticulum
19. In mammals - the slitlike opening formed by the vocal folds in the larynx
glottis
spore
chorion
autonomic nervous system
20. An antigen in blood; can cause erythroblastosis fetalis when the mother is Rh- and the fetus is Rh+
Rh factor
systole
dendrite
hyperthyroidism
21. Protective immunity to a disease in which the individual produces antibodies as a result of previous exposure to the antigen
transpiration
active immunity
sex chromosome
notochord
22. An organ centrally involved in the human digestive system
dimorphism
alimentary canal
hydrostatic skeleton
respiration
23. The kind of bond formed when two amino acid units are jointed end to end
peptide
gene
chlorophyll
rod
24. A plant that has two seed leaves or cotyledons
organelle
dicotyledon
ventricle
bile salts
25. The pigment in rod cells that causes light sensitivity
irritability
lymph
rhodopsin
epicotyl
26. 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
microbodies
cornea
pons
mesoderm
27. A disease-causing organism
pathogen
reticulum
centriole
nucleotide
28. Pertaining to a subdivision of the autonomic nervous system
Graffian follicle
sympathetic
peptide
gonads
29. The largest portion of the human brain; it is believed to be the center of intelligence - conscious thought and sensation
alternation of generations
diastole
cerebrum
gylcolysis
30. Multicellular organism
eukaryote
duodenum
flagellate
lichen
31. An organelle that regulates cell functions and contains the genetic material of the cell
root hair
aortic arch
nucleus
corpus callosum
32. The organelle that provides mechanical support and carries out motility functions for the cell
retina
cytoskeleton
independent assortment
taxonomy
33. The outermost bone of the middle ear (hammer)
binary fission
semicircular canals
lipid
malleus
34. A plant-eating animal
herbivore
pyloric valve
consumer
pseudopod
35. A purine (nitrogenous base) component of nucleotides and nucleic acids; links with cytosine in DNA
parthenogenesis
guanine
angiosperm
analogous
36. One of a class of organic compounds that is composed of many amino acids; contains C - H - O and N
primary oocyte
symbiosis
medulla
protein
37. Describes structures that have similar function but different evolutionary origins; e.g. - a bird's wing and a moth's wing
anaphase
gill slit
analogous
nerve cord
38. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males
colon
FSH
follicle
fitness
39. An organism that utilizes the energy of inorganic materials such as water and carbon dioxide or the sun to manufacture organic materials
sinus
adenosine phosphate
epidermis
autotroph
40. The type of mating that occurs when an organism selects a mating partner that resembles itself
assortative mating
oxidation
iris
medulla oblongata
41. The law by which genes on different chromosomes are inherited independently of each other
independent assortment
recessive
pheromone
absorption
42. An air sac in the lung; the site of respiratory exchange - involving diffusion of oxygen and carbon dioxide between the air in the alveolus and the blood in the capillaries
lipase
alveolus
pseudopod
ilium
43. The extraembryonic membrane in birds - reptiles and mammals that surrounds the embryo - forming an amniotic sac
heterotroph
nephron
amnion
phylum
44. Describes a fluid that has the same osmotic pressure as a fluid it is compared to
independent assortment
vagus nerve
capillary
isotonic
45. A form of asexual reproduction in which the egg develops in the absence of sperm
calorie
lipase
pairing
parthenogenesis
46. A cell that divides to form the polar body and the secondary oocyte
larva
respiration
primary oocyte
fitness
47. A multidirectional sensory system of lower animals such as the hydra - consisting of nerve fibers spread throughout the ectoderm
frame shift mutation
medusa
nerve net
niche
48. The fist stage of protein synthesis - in which the information coded in the DNA base is transcribed onto a strand of mRNA
mutualism
transcription
hypothalamus
permeability
49. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water
carapace
lipase
root hair
substrate
50. The colored part of the eye that is capable of contracting and regulating the size of the pupils
endocrine gland
iris
lymph capillary
gall bladder