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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. The outer - transparent layer of the eye
cross-pollination
cochlea
steroid
cornea
2. The part of the flower that bears the female gametophyte
active immunity
pistil
transpiration
mitochondria
3. The description of a plant life cycle that consists of a diploid - asexual - sporophyte generation and a haploid - sexual - gametrophyte generation
alternation of generations
hypothalamus
hybrid
thymine
4. A network of membrane-enclosed spaces connected with the nuclear membrane; transports materials through the cell; can be soft or rough
nucleus
peptide
medusa
endoplasmic reticulum
5. The part of the body of an animal that is between the neck or head and the abdomen
nondisjunction
thorax
lactase
electron transport chain
6. A mature ovary
antibody
fruit
synapse
glottis
7. A nerve fiber
turgor pressure
allele
rhodopsin
axon
8. An undifferentiated - growing region of a plant that is constantly undergoing cell division and differentiation
respiration
immunity
autonomic nervous system
meristem
9. A stomach enzyme that partially digests proteins
phylogeny
meristem
pepsin
white matter
10. A waxy protective layer secreted by the outer surface of plants - insects - etcetera
chyme
iris
meiosis
cuticle
11. 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
systole
binomial nomenclature
prothrombin
synapsis
12. A group of populations that can interbreed
chloroplast
thorax
species
fruit
13. Random evolutionary changes in the genetic makeup of a population
chromatid
malleus
parthenogenesis
genetic drift
14. A kingdom of unicellular living organisms that are neither animals nor plants; includes some groups of algae - slime molds and protozoa
Protista
nerve
passive immunity
Crustacea
15. An enzyme that acts upon maltose and converts it into glucose
biotic
endocytosis
cortex
maltase
16. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA
goiter
deoxyribose
nerve cord
taiga
17. Describes cells that have a double set of chromosomes in homologous pairs (2n)
diploid
organelle
mucosa
respiratory center
18. Blood protein that is transformed to fibrin upon clotting
fibrinogen
ethylene
thermoregulation
host
19. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron
synapse
linkage
NAD
metamorphosis
20. A ductless gland in upper chest region concerned with immunity and the maturation of lymphocytes
independent assortment
cerebellum
thymus
glycogen
21. A tube connecting the ovaries and the uterus
cretinism
producer
Arachnida
oviduct
22. Any cell capable of ingesting another cell
phagocyte
monocotyledon
hermaphrodite
Krebs cycle
23. Small - disc-shaped bodies in the blood that play a chief role in coagulation
alternation of generations
parathyroid
protein
platelet
24. Semen
iris
seminal fluid
interphase
pineal body
25. The stable - biotic part of the ecosystem in which populations exist in balance with each other and with the environment
climax community
synapsis
sympathetic
ventricle
26. The final stages of protein synthesis in which the genetic code of nucleotide sequences is translated into a sequences of amino acids
translation
auxin
dimorphism
homeotherm
27. Occurs when certain traits are determined by genes on sex chromosomes
sex linkage
polyp
glycogen
deamination
28. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase
sporophyte
aqueous humor
hypothalamus
recessive
29. The enzyme released from the blood platelets in vertebrates during clotting
thrombokinase
microbodies
NAD
homologous
30. The production of daughter cells by means other than the sexual union of gametes (as in budding and binary fission)
notochord
stamen
ribosome
asexual reproduction
31. An opening in the eye whose size is regulated by the iris
thalamus
macula
emulsion
pupil
32. An organic catalyst and protein
adaptive radiation
ovary
urine
enzyme
33. A digestive enzyme of the saliva that turns starch into maltose (salivary amylase)
pH
diencephalon
ptyalin
nuclear membrane
34. An organism that requires oxygen for respiration and can live only in the presence of oxygen
aerobe
glottis
linkage
stroma
35. A relationship in which one organism benefits at the expense of another
taiga
artery
parasitism
organelle
36. A cell in the retina that is sensitive to weak light
stroma
adrenaline (epinephrin)
rod
phototropism
37. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water
oxidation
chromosome
root hair
isomer
38. A blood clot that is formed within a blood vessel
rhodopsin
embolus
osmosis
Rh factor
39. The phylum of sponges
iris
sensory neuron
Porifera
interstitial cells
40. Tubules that excrete metabolic wastes into the hindgut in arthropods
physiology
malpighian tubules
parathyroid
testes
41. 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
appendage
ovary
xylem
42. The anaerobic respiration of carbohydrates
test cross
chorion
deoxyribose
gylcolysis
43. Organism that consumes food from outside itself instead of producing it
binary fission
epidermis
biome
consumer
44. The orientation of cells or organisms in relation to chemical stimuli; the growth or movement response of organisms to chemical stimuli
turgor pressure
granum
pyloric valve
chemotropism
45. The contraction of the atria or ventricles of the heart
homozygous
cytokinesis
thalamus
systole
46. Any cell that is not a reproductive cell
luteinizing hormone (LH)
somatic cell
hyperthyroidism
peripheral nervous system
47. Related to the sense of smell
olfactory
sphincter
nerve net
artery
48. The womb in which the fetus develops
medulla
uterus
antigen
aortic arch
49. The kind of bond formed when two amino acid units are jointed end to end
pheromone
linkage
hypocoytl
peptide
50. The process by which a certain function is regulated by the amount of the substance it produces
nictitating membrane
sinus
pollination
feedback mechanism