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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. An antipathogenic substance (e.g. - penicillin)
irritability
organelle
pheromone
antibiotic
2. An accumulation of axons within the CNS that is white because it is fatty - myelin sheath
hybrid
F2
white matter
seminal fluid
3. A specialized structure that carries out particular functions for eukaryotic cells
food vacuole
ventral root
respiration
organelle
4. The intake of fluid droplets into a cell
isotonic
pinocytosis
corpus callosum
ingestion
5. Requiring free oxygen from the atmosphere for normal activity and respiration
allantois
embolus
herbivore
aerobic
6. The liquid part of blood
dorsal root
nitrogen cycle
plasma
absorption
7. One of many tubules that absorb tissue fluid and return it to the bloodstream via the lymphatic system
lymph capillary
tissue
endosperm
vagus nerve
8. Tubules that excrete metabolic wastes into the hindgut in arthropods
disaccharide
platelet
stamen
malpighian tubules
9. Organism that produces its own food; first stage in the food chain
producer
mitochondria
plexus
hypertonic
10. Pertaining to a subdivision of the autonomic nervous system
sympathetic
cortisone
secondary tissue
umbilicus
11. The recycling of carbon from decaying organisms for use in future generations
carbon cycle
prokaryote
cerebral hemisphere
phloem
12. Pertaining to a type of gland that releases its secretion through a duct
nondisjunction
passive immunity
synaptic terminal
exocrine
13. The hindbrain region that controls equilibrium and muscular coordination
frame shift mutation
aerobic
cerebellum
lipid
14. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male
differentation
sex chromosome
nephron
gonads
15. An abbreviation of nicotinamide-adenine-dinucleotide - also called DPN; a respiratory oxidation-reduction molecule
systole
plastid
notochord
NAD
16. An organism that requires oxygen for respiration and can live only in the presence of oxygen
xylem
embolus
aerobe
ingestion
17. Blood vessels located between ascending and descending aortas that deliver blood to most of the upper body
aortic arch
isotonic
gylcolysis
sex chromosome
18. A remnant of follicle after ovulation that secretes the hormone progesterone
corpus luteum
recombinant DNA technology
hypothalamus
thrombokinase
19. Membranous organelles involved in the storage and modification of secretory products
nuclear membrane
Golgi apparatus
small intestine
polysaccharide
20. One of a class of organic compounds that is composed of many amino acids; contains C - H - O and N
fruit
haploid
protein
phylum
21. The exchange of parts of homologous chromosomes during meiosis
crossing over
asexual reproduction
oviduct
mitosis
22. In mammals - the slitlike opening formed by the vocal folds in the larynx
thrombin
pistil
guard cell
glottis
23. The transfer of pollen from the stamen to the pistil of the same flower
self-pollination
polar body
microbodies
plexus
24. A nitrogen base such as cytosine - thymine and uracil; when joined with sugar or phosphate - a component of nucleotides and nucleic acids
Loop of Henle
sphincter
pleural cavity
pyrimidine
25. Fluid skeleton of annelids
hydrostatic skeleton
flagellate
Loop of Henle
ventricle
26. An abbreviation of nicotinamide-adenine-dinucleotide-phosphate - also called TPN; an organic compound that serves as an oxidation-reduction molecule
guanine
myelin sheath
NADP
chromatin
27. The second filial generation; offspring resulting from the crossing of individuals of the F1 generation
monohybrid
corpus luteum
F2
Arachnida
28. The ways in which organisms regulate their supply of water
testes
antigen
regeneration
osmoregulation
29. Cycle in photosynthesis that reduces fixed carbon to carbohydrates through the addition of electrons ("dark cycle")
Calvin cycle
assimilation
absorption
hyperthyroidism
30. An organelle in the cytoplasm that contains RNA; serves as the site of protein synthesis
adaptation
ribosome
clotting
polyploidy
31. A stage of embryonic development in which the embryo consists of a hollow ball of cells
metamorphosis
blastula
Krebs cycle
bacteriophage
32. A space in the cytoplasm of a cell that contains fluid
vacuole
photoperiodism
adaptive radiation
anaerobic
33. A mutation in which a single nucleotide base is substituted for another nucleotide base - or an extra nucleotide base is added
nuclear membrane
genotype
point mutation
white matter
34. 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
gastrula
passive immunity
frame shift mutation
lens
35. A sex or reproductive cell that must fuse with another of the opposite type to form a zygote
gamete
fermentation
respiratory center
chlorophyll
36. The passive - rhythmical expansion or dilation of the cavities of the heart (atria or ventricles) that allows these organs to fill with blood; preceded and followed by systole (contraction)
circadian rhythms
notochord
diastole
levels of structure
37. A fluid-filled sensory apparatus that aids balance and hearing
larva
anaerobe
androgen
inner ear
38. A ring-shaped muscle that is capable of closing a tubular opening by constriction
ptyalin
analogous
sphincter
consumer
39. An organism that utilizes the energy of inorganic materials such as water and carbon dioxide or the sun to manufacture organic materials
granum
RNA
cortex
autotroph
40. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females
dimorphism
analogous
Crustacea
gymnosperm
41. A tract of nerve fibers connecting the two cerebral hemispheres
corpus callosum
taiga
analogous
femur
42. The male gonads that produce sperm and male hormones
testes
hypothalamus
osmosis
budding
43. The removal of hydrogen or electrons from a compound or addition of oxygen; half of a redox (oxidation or reduction) process
synergistic
malleus
oxidation
morula
44. The largest artery; carries blood from the left ventricle
diploid
synapse
cotyledon
aorta
45. The area of medulla that regulates the rate of breathing
umbilicus
retina
respiratory center
genotype
46. Pertaining to the head
Arachnida
cephalic
egg
medulla
47. Pertaining to a restricted locality; ecologically - occurring only in one particular region
NAD
corpus luteum
endemic
diastole
48. An association of homologous chromosomes during the first meiotic division
pairing
appendage
trachea
pollen
49. A cell that divides to form the polar body and the secondary oocyte
anaerobe
NAD
primary oocyte
cerebral hemisphere
50. A female sex hormone secreted by the follicle
glycogen
semicircular canals
estrogen
spore