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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 hormone secreted by the corpus luteum of vertebrates and the placenta of mammals; its function is to maintain the endometrium
niche
primary oocyte
progesterone
biotic
2. A reproductive cell
polysaccharide
germ cell
diploid
blastula
3. The phylum to which segmented worms belong
pheromone
thermoregulation
small intestine
Annelida
4. The class of free-living flatworms
isolation
planaria
vitamin
emulsion
5. The process by which a certain function is regulated by the amount of the substance it produces
feedback mechanism
substrate
central nervous system
epiphyte
6. Cytoplasmic bodies within a plant cell that are often pigmented
epicotyl
plastid
endoplasmic reticulum
digestion
7. The transformation of an immature animal into an adult; a change in the form of an organ or structure
disjunction
aldosterone
metamorphosis
morula
8. The mammalian oviduct that leads from the ovaries to the uterus
fallopian tube
corpus luteum
maltose
symbiosis
9. 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
translation
fertilization
ethylene
10. The anaerobic respiration of carbohydrates
dimorphism
recombinant DNA technology
gylcolysis
eukaryote
11. The thigh bone of vertebrates
femur
heterozygous
anaerobic
producer
12. The hindbrain region that controls equilibrium and muscular coordination
microbodies
epiglottis
cerebellum
homozygous
13. A symbol that denotes the relative concentration of hydrogen ions in a solution
nitrogen cycle
pH
adrenocorticotrophic hormone
polymorphism
14. The basal branch of each spinal nerve; carries motor neurons
ventral root
Calvin cycle
tundra
polyploidy
15. A specialized structure that carries out particular functions for eukaryotic cells
organelle
binary fission
codominant
Bowman's capsule
16. The description of a plant life cycle that consists of a diploid - asexual - sporophyte generation and a haploid - sexual - gametrophyte generation
alternation of generations
epithelium
ventricle
estrogen
17. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions
population
oxidation
clotting
sporophyte
18. The colored part of the eye that is capable of contracting and regulating the size of the pupils
anaerobic
rhizome
iris
gylcolysis
19. The large intestine
permeability
colon
population
NADP
20. A hydrogen carrier containing iron that functions in many cellular processes - including respiration
cytochrome
abiotic
mitosis
malleus
21. The central tissue of a stem - used for food storage
gene frequency
spiracle
pith
granum
22. Small - disc-shaped bodies in the blood that play a chief role in coagulation
platelet
Eustachian tube
thyroid
thermoregulation
23. Occurs when different traits are inherited together more often than they would have been by chance along; it is assumed that these traits are linked on the same chromosome
phototropism
linkage
angiosperm
cerebellum
24. A plant that belongs to the class of seed plants in which the seeds are not enclosed in an ovary; includes the conifers
pyloric valve
cortisone
root hair
gymnosperm
25. The breeding of an organism with a homozygous recessive in order to determine whether an organism is homozygous dominant or heterozygous dominant for a given trait
Rh factor
coelom
ventral root
test cross
26. A pair of chromosome pairs present during the first metaphase of meiosis
luteinizing hormone (LH)
fitness
fermentation
tetrad
27. Plant growth stimulated by light (stem: + - towards light; root: - - away from light)
embolus
aorta
phototropism
hermaphrodite
28. The pollination of the pistil of one flower with pollen from the stamen of a different flower of the same species
cornea
cross-pollination
dicotyledon
ureter
29. Outgrowths of a root's epidermal cells that allow for greater surface area for absorption of nutrients and water
root hair
bacteriophage
cerebral cortex
spore
30. A "seed leaf"; responsible for food digestion and storage in plant embryo
insulin
gymnosperm
cotyledon
fibrin
31. A simple sugar
F1
wood
Chordata
monosaccharide
32. Living - as in living organisms in the environment
lymph capillary
biotic
deletion
cortex
33. A substance that participates in the clotting of blood in vertebrates
thrombin
anther
lymph capillary
inversion
34. xylem that is no longer being used
wood
placenta
Annelida
neural tube
35. Anaerobic respiration the yields 2 molecules of ATP - lactic acid - ethyl alcohol and carbon dioxide or some similar compound via the glycolytic pathway
fermentation
style
spiracle
cerebrum
36. A bone of the upper arm
autosome
protein
synapsis
humerus
37. The tenth cranial nerve that innervates digestive organs - heart and other areas
parathyroid
stigma
aorta
vagus nerve
38. An enlargement of the thyroid gland due to lack of iodine
iris
goiter
mesoderm
uterus
39. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin
spindle
sympathetic
plankton
ethanol fermentation
40. Fluid excreted by the kidney containing urea - water - salts - etc
urine
interstitial cells
gymnosperm
pollen
41. Deoxyribonucleic acid; found in cell nucleus - its basic unit is the nucleotide; contains coded genetic information; can replicate on the basis of heredity
DNA
urethra
corpus luteum
imprinting
42. A cell that divides to form the polar body and the secondary oocyte
rhizome
heterotroph
primary oocyte
pheromone
43. A flowering plant; a plant of the class Angiospermae that produces seeds enclosed in an ovary and is characterized by the possession of fruits and flowers
notochord
angiosperm
mucosa
genetic code
44. An organic compound to which hydrogen and oxygen are attached; the hydrogen and oxygen are in a 2:1 ratio; examples include sugars - starches and cellulose
vacuole
carbohydrate
plasma membrane
sex chromosome
45. A marine biome typical of the open seas
adenosine phosphate
pelagic zone
spore
buffer
46. The failure of some homologous pairs of chromosomes to separate following meiotic synapsis
angiosperm
prothrombin
phagocyte
nondisjunction
47. An invertebrate animal phylum in which animals possess a single alimentary opening and tentacles with stinging cells
aerobe
Coelentrata
ribosome
translocation
48. A behavioral or biological change that enables an organism to adjust to its environment
adaptation
centromere
permeability
species
49. A process by which the cell membrane is invaginated to form a vesicle which contains extracellular medium
nucleolus
endocytosis
chloroplast
pheromone
50. A hormone produced by the Islets of Langerhans in the pancreas
insulin
yolk sac
duodenum
ungulate