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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. 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
atrium
analogous
thyroid
mesoderm
2. An enlargement of the thyroid gland due to lack of iodine
bile
goiter
thorax
primary oocyte
3. Organelles that serve as specialized containers for metabolic reactions
lymph capillary
microbodies
carnivore
incomplete dominance
4. In mitosis of higher plants - the structure that forms between the divided nuclei of the two daughter cells and eventually becomes the cell wall
cell wall plate
cephalic
polymorphism
thrombin
5. A microscopic opening located in the epidermis of a leaf and formed by a pair of guard cells
stoma
disjunction
pairing
autotroph
6. An undifferentiated - growing region of a plant that is constantly undergoing cell division and differentiation
cell wall
crossing over
meristem
interstitial cells
7. The hind portion of the forebrain of vertebrates
diencephalon
lysosome
emulsion
thalamus
8. 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
phloem
bacteriophage
autonomic nervous system
centrosome
9. In mammals - the slitlike opening formed by the vocal folds in the larynx
bile salts
glottis
medusa
iris
10. A type of nuclear division that is characterized by complex chromosomal movement and the exact duplication of chromosomes; occurs in somatic cells
antigen
mitosis
nerve
larva
11. The loss of all or part of a chromosome
bile
purine
white matter
deletion
12. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
pyrimidine
mutagenic agent
germ layer
pith
13. An embryonic structure that gives rise to the central nervous system
vein
pons
neural tube
hypocoytl
14. The sac in the ovary in which the egg develops
estrogen
larva
nephron
follicle
15. A pyrimidine component of nucleic acids and nucleotides; pairs with adenine in DNA
microbodies
dendrite
thymine
cerebellum
16. The study of organisms in relation to their environment
sporophyte
wood
ecology
F2
17. The phylum to which jointed-legged invertebrates belong - including insects - arachnids and crustaceans
tissue
nuclear membrane
Arthropoda
sensory neuron
18. The space between the mesodermal layers that forms the body cavity of some animal phyla
heterozygous
wood
ilium
coelom
19. A process by which the cytoplasm and the organelles of the cell divide; the final stage of mitosis
recessive
mitochondria
cytokinesis
ventricle
20. Passively floating or drifting flora and fauna of a body of water; consists mainly of microscopic organisms
plankton
FSH
pedigree
RNA
21. The haploid - sexual stage in the life cycle of plants
homologous
gametophyte
conditioning
chromosome
22. The ways in which organisms regulate their supply of water
morphology
osmoregulation
lichen
self-pollination
23. The small granular body within the centrosome to which the spindle fibers attach
chemotropism
style
centriole
emulsion
24. The ability of an organism to contribute its alleles and therefore is phenotypic traits to future generations
polymorphism
fitness
homozygous
guard cell
25. A grouping of neuron cell bodies that acts as a coordinating center
ganglion
zygote
blastula
thymus
26. A white or colorless - amorphous - horny substance that forms part of the outer integument of insects - crustaceans and some other invertebrates; it also occurs in certain fungi
chitin
ilium
isolation
ptyalin
27. A sex or reproductive cell that must fuse with another of the opposite type to form a zygote
translation
crossing over
linkage
gamete
28. A purine (nitrogenous base) component of nucleotides and nucleic acids; links with cytosine in DNA
guanine
serum
gill slit
differentation
29. Cytoplasmic organelles that serve as sites of respiration; a rod-shaped body in the cytoplasm known to be the center of cellular respiration
mitochondria
fitness
osmoregulation
analogous
30. A large molecule that is composed of many similar molecule units
polymer
dicotyledon
progesterone
cytoskeleton
31. A network - particularly of nerve or blood vessels
cell wall
ilium
malleus
plexus
32. Pertaining to the head
legume
cephalic
polysaccharide
homozygous
33. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase
reduction
gibberellin
serum
sporophyte
34. The posterior part of the brain that controls the rate of breathing and other autonomic functions
medulla oblongata
biome
phylum
cell wall
35. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells
lactid acid fermentation
flagellum
maltase
chloroplast
36. A process by which the cell membrane is invaginated to form a vesicle which contains extracellular medium
metamorphosis
endocytosis
legume
flagellum
37. The kind of bond formed when two amino acid units are jointed end to end
mesoderm
peptide
nerve cord
cross-pollination
38. A network of capillaries in the Bowman's capsules of the kidney
glomerulus
fermentation
synapse
cloaca
39. A marine biome typical of the open seas
gamete
pelagic zone
hypertonic
hypotonic
40. A specialized structure that carries out particular functions for eukaryotic cells
aerobe
organelle
thryoxin
glottis
41. A structure found between the cerebral hemispheres of vertebrates; secretes melatonin
glycogen
stomach
pineal body
symbiosis
42. 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)
producer
nucleotide
sporophyte
bacillus
43. An organism that must get its inorganic and organic raw materials from the environment; a consumer
heterotroph
ecological succession
osmoregulation
systole
44. The type of mating that occurs when an organism selects a mating partner that resembles itself
cuticle
assortative mating
synapse
pathogen
45. The fluid that remains after fibrinogen is removed from the blood plasma of vertebrates
dicotyledon
serum
metamorphosis
fallopian tube
46. The mammalian oviduct that leads from the ovaries to the uterus
thrombokinase
rickettsia
metamorphosis
fallopian tube
47. The outermost - extra-embryonic membrane of reptiles and birds
oogenesis
egg
chorion
cytoplasm
48. A relationship in which one organism benefits at the expense of another
hemoglobin
parasitism
Mendelian laws
flagellate
49. Protein threads that form in the blood during clotting
metaphase
flagellum
vagus nerve
fibrin
50. The anaerobic respiration of carbohydrates
thyroid
pineal body
gylcolysis
adaptive radiation
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