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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 inner portion of the cytoplasm of a cell or the portion that surrounds the nucleus
rhizome
peptide
endoplasm
sex chromosome
2. One of the primary tissues of the embryo
consumer
germ layer
translocation
yolk sac
3. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)
fibrinogen
endosperm
nictitating membrane
seminal fluid
4. Blood protein that is transformed to fibrin upon clotting
thrombokinase
taxonomy
fibrinogen
stomach
5. A hormone that regulates water reabsorption
ADH (vassopressin)
diploid
root hair
carapace
6. 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)
endemic
transcription
nucleotide
fibrinogen
7. A mucus-secreting membrane
malpighian tubules
polymer
alimentary canal
mucosa
8. The part of the neuron that transmits impulses to the cell body
small intestine
dendrite
point mutation
transcription
9. A marine biome; a region on the continental shelf that contains an ocean area with depths of up to 600 ft
synergistic
nitrogen cycle
littoral zone
coenzyme
10. The enzyme released from the blood platelets in vertebrates during clotting
adaptation
taiga
bacillus
thrombokinase
11. The female gamete; it is nonmotile - large in comparison to male gametes - and stores nutrients
amnion
deamination
egg
geographical barrier
12. Related to the sense of smell
anaphase
chyme
trachea
olfactory
13. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells
cross-pollination
gametophyte
flagellum
Coelentrata
14. Pertaining to the head
gonads
cephalic
larva
vitamin
15. Daily cycles of behavior
hypocoytl
phloem
circadian rhythms
sucrase
16. A substance that prevents appreciable changes in pH in solutions to which small quantities of acids or bases are added
insulin
polyploidy
cross-pollination
buffer
17. The pressure exerted by the contents of a cell against the cell membrane or cell wall
lactase
turgor pressure
osmosis
parasitism
18. An organic cofactor required for enzyme activity
coenzyme
tissue
acetylcholine
chlorophyll
19. Small - disc-shaped bodies in the blood that play a chief role in coagulation
Rh factor
platelet
stoma
species
20. A stomach enzyme that partially digests proteins
ganglion
pepsin
nerve
sphincter
21. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water
nerve
root hair
regeneration
metamorphosis
22. Unicellular organism with simple cell structure
spiracle
glycogen
prokaryote
germ cell
23. A cell that divides to form two secondary spermatocytes
thryoxin
meiosis
primary spermatocyte
diencephalon
24. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA
morphology
ganglion
differentation
deoxyribose
25. Protein threads that form in the blood during clotting
fibrin
gastrula
femur
vagus nerve
26. The first filial generation (first offspring)
F1
coenzyme
haploid
erythrocyte
27. A motile - multinucleate mass of protoplasm resulting from fusion of uninuclear amoeboid cells
respiratory center
levels of structure
plasmodium
alimentary canal
28. The external opening of the trachea in insects
small intestine
point mutation
peristalsis
spiracle
29. One of a group of compounds that is identical in a atomic composition - but different in structure and arrangement
cleavage
adrenal cortex
isomer
producer
30. A hydrogen carrier containing iron that functions in many cellular processes - including respiration
uterus
pepsin
bud
cytochrome
31. An enzyme that acts upon maltose and converts it into glucose
systole
genus
plasmodium
maltase
32. A ductless gland in upper chest region concerned with immunity and the maturation of lymphocytes
thymus
commensal
thymine
isomer
33. The female gonad in animals; the base of the pistil in plants
zygote
ovary
blastula
gene frequency
34. Tissue formed by the differentiation of cambium that causes a growth in width of a plant system
nondisjunction
medusa
secondary tissue
homeotherm
35. The part of the male reproductive organ (the stamen) that produces and stores pollen
anther
neural tube
nitrogen cycle
osmosis
36. A hormone of the thyroid that regulates basal metabolism
thryoxin
thrombin
neural tube
endoderm
37. A reproductive cell
phenotype
parthenogenesis
buffer
germ cell
38. Vascular tissue of the plant that aids in support and carries water
xylem
polymer
dicotyledon
sphincter
39. The production of a number of different species from a single ancestral species
consumer
osmosis
alveolus
adaptive radiation
40. The stable - biotic part of the ecosystem in which populations exist in balance with each other and with the environment
climax community
diploid
Chordata
colon
41. Laws of classical genetics established through Mendel's experiments with peas
Mendelian laws
medulla oblongata
peripheral nervous system
species
42. A nerve fiber
gymnosperm
angiosperm
umbilicus
axon
43. A remnant of follicle after ovulation that secretes the hormone progesterone
peristalsis
adrenaline (epinephrin)
corpus luteum
sympathetic
44. An "emergency" hormone stimulated by anger or fear; increase blood pressure and heart rate in order to supply the emergency needs of the muscles
adrenaline (epinephrin)
gill slit
mitochondria
parasympathetic
45. An offspring that is heterozygous for one or more gene pairs
aqueous humor
hybrid
transcription
urinary bladder
46. 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
test cross
duodenum
irritability
imprinting
47. In plants - the tissue between the epidermis and the vascular cylinder in the roots and stems of plants; in animals - the outer tissue of some organs
Mendelian laws
chyme
vacuole
cortex
48. The hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium
mutation
autonomic nervous system
progesterone
polyp
49. The area of medulla that regulates the rate of breathing
biotic
secondary tissue
dicotyledon
respiratory center
50. 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
cytokinesis
chitin
pheromone
isotonic
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