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Test your basic knowledge |
SAT Subject Test: Biology
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Subjects
:
sat
,
science
,
biology
Instructions:
Answer 50 questions in 15 minutes.
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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 wall composed of cellulose that is external to the cell membrane in plants; it is primarily involved in support and in the maintenance of proper internal pressure
cell wall
ethanol fermentation
thorax
serum
2. The outer layer of cerebral hemispheres in the forebrain - consisting of gray matter
cerebral cortex
cephalic
biome
asexual reproduction
3. 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
prothrombin
pinocytosis
phagocyte
epithelium
4. The physical appearance or makeup of an individual - as opposed to its genetic makeup
deletion
phenotype
exocytosis
monocotyledon
5. An organelle that regulates cell functions and contains the genetic material of the cell
meristem
femur
nucleus
ureter
6. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male
flagellum
sex chromosome
organelle
genetic code
7. The sensory branch of each spinal nerve
dorsal root
zygote
plasma membrane
endoplasm
8. Fluid-filled structures in the inner ear that are associated with the sense of balance
macula
mucosa
semicircular canals
assortative mating
9. Bacteria that are rod shaped
ureter
bacillus
allele
cytokinesis
10. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females
dimorphism
primary spermatocyte
chlorophyll
geotropism
11. A space in the cytoplasm of a cell that contains fluid
species
cephalic
vacuole
Arthropoda
12. The small granular body within the centrosome to which the spindle fibers attach
thymus
interstitial cells
centriole
binary fission
13. A process by which the cytoplasm and the organelles of the cell divide; the final stage of mitosis
cytokinesis
marsupial
ilium
chemotropism
14. Any cell that is not a reproductive cell
marsupial
somatic cell
parthenogenesis
epiphyte
15. A short - stubby rod consisting of chromatin that is found in the nucleus of the cells; contains the genetic or hereditary component of cells (in the form of genes)
flagellum
cortisone
chromosome
cytosine
16. A type of nuclear division that is characterized by complex chromosomal movement and the exact duplication of chromosomes; occurs in somatic cells
small intestine
thalamus
mitosis
pituitary
17. An organ that stores bile
gall bladder
gray matter
RNA
spore
18. A condition in which an organism may have a multiple of the normal number of chromosomes (4n - 6n - etc)
cyton
polar body
ecology
polyploidy
19. Pertaining to a subdivision of the autonomic nervous system
cambium
sympathetic
ribosome
phenotype
20. 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
chemotropism
imprinting
lymph capillary
lymph
21. The thin - bent part of the renal tubule that is the site of the counter-current flow and the sodium gradient
Loop of Henle
Krebs cycle
pistil
retina
22. The pairing of homologous chromosomes during meiosis
taiga
synapsis
fermentation
immunity
23. 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
white matter
vitamin
seminal fluid
24. A plastid containing chlorophyll
lactase
chloroplast
photoperiodism
pedigree
25. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA
sensory neuron
deoxyribose
plastid
active immunity
26. Fluid in the eye - found between the cornea and the lens
aqueous humor
epithelium
biotic
adaptive radiation
27. A process by which the vesicle in the cell fuses with the cell membrane and releases its contents to the outside
ectoderm
lipase
exocytosis
cell wall
28. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations
thorax
glottis
fitness
spore
29. Technology that allows for manipulation of genetic material
recombinant DNA technology
stomach
Rh factor
cochlea
30. The state in which two genetic traits are fully expressed and neither dominates
biome
codominant
substrate
test cross
31. Any organism that is the victim of a parasite
host
vacuole
cambium
epidermis
32. 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
monocotyledon
adrenocorticotrophic hormone
Chordata
organelle
33. The final stages of protein synthesis in which the genetic code of nucleotide sequences is translated into a sequences of amino acids
eukaryote
testes
plasmodium
translation
34. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
vacuole
macula
pyrimidine
regeneration
35. The study of all living processes - activities and functions
physiology
genotype
test cross
hyperthyroidism
36. An opening in the eye whose size is regulated by the iris
neural tube
pupil
iris
corpus callosum
37. Describes arthropods and other animals whose skeletal or supporting structures are outside the skin
emulsion
synergistic
cuticle
exoskeleton
38. Describes an individual that possesses two contrasting alleles for a given trait
biome
assimilation
nitrogen cycle
heterozygous
39. Pertaining to the head
cephalic
maltase
nerve net
trypsin
40. One-thousandth of a millimeter; a unit of microscopic length
aerobic
anther
micron (micrometer)
small intestine
41. Genetic blending; each allele exerts some influence on the phenotype
incomplete dominance
buffer
endoplasmic reticulum
fibrin
42. 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
ventricle
lipid
reduction
mesoderm
43. A neuron that picks up impulses from receptors and transmits them to the spinal cord
sensory neuron
levels of structure
imprinting
bud
44. The inner layer of an organ surrounded by the cortex
medulla
homeotherm
meristem
endoplasm
45. A cell that divides to form the polar body and the secondary oocyte
epicotyl
primary oocyte
pH
carbohydrate
46. The portion of a DNA molecule that serves as a unit of heredity; found on the chromosome
synapse
deletion
phototropism
gene
47. An anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males
FSH
nucleolus
feedback mechanism
food vacuole
48. A network or mesh of fibrils - fibers or filaments
prokaryote
synergistic
reticulum
endoplasm
49. The ability of certain animals to regrow missing body parts
regeneration
Bowman's capsule
capillary
thermoregulation
50. An embryonic structure that gives rise to the central nervous system
Coelentrata
neural tube
food vacuole
malleus
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