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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 organism that is heterozygous for two different traits
cell wall plate
dihybrid
gylcolysis
capillary
2. A class of arthropods that includes scorpions - spiders - mites and ticks
Arachnida
mutualism
differentation
monosaccharide
3. There are two kinds of sex chromosomes - X and Y; XX signifies a female and XY signifies a male
ethylene
protein
sex chromosome
maltase
4. The elimination of metabolic waster matter
pyrimidine
metaphase
excretion
chorion
5. The part of the flower that produces pollen
fermentation
morula
stamen
cortisone
6. The study of organisms in relation to their environment
medulla
cortex
trilobite
ecology
7. Membranous organelles involved in the storage and modification of secretory products
hermaphrodite
Golgi apparatus
geographical barrier
nondisjunction
8. Degree of penetrability - as in membranes that allow given substances to pass through; the ability to penetrate
ptyalin
epinephrine
permeability
medulla oblongata
9. The part of the body of an animal that is between the neck or head and the abdomen
thorax
differentation
anaerobe
lipase
10. An organ that stores urine temporarily before it is excreted
urinary bladder
gymnosperm
urethra
hermaphrodite
11. Pertains to a gene or characteristic that is masked when a dominant allele is present
primary oocyte
recessive
sympathetic
secondary tissue
12. An air sac in the lung; the site of respiratory exchange - involving diffusion of oxygen and carbon dioxide between the air in the alveolus and the blood in the capillaries
metaphase
endoplasmic reticulum
alveolus
cation
13. A duct that carries urine from the kidneys to the bladder
thoracic duct
ureter
climax community
hepatic portal system
14. An enzyme that acts upon maltose and converts it into glucose
maltase
adaptation
Mendelian laws
plexus
15. A type of virus that can destroy bacteria by infecting - parasitizing and eventually killing them
gamete
cross-pollination
bacteriophage
endocrine gland
16. A wall composed of cellulose that is external to the cell membrane in plants; it is primarily involved in support and in the maintenance of proper internal pressure
pharynx
cell wall
pistil
ovary
17. The thin-walled anterior chamber of the heart (also called the auricle)
meristem
atrium
hypocoytl
iris
18. Changes in genes that are inherited
mutation
saprophyte
erythrocyte
dimorphism
19. A cell resulting from the fusion of gametes
tissue
hypothalamus
zygote
platelet
20. An organ that is not functional in an organism - but was functional at some period in its evolution
larva
phagocyte
pollen
vestigial organ
21. A substance that participates in the clotting of blood in vertebrates
nucleolus
Arthropoda
thrombin
polymer
22. A flesh-eating animal; a holotrophic animal that subsists on other animals or parts of animals
assimilation
stomach
carnivore
nephron
23. The cellular layer that covers external and internal surfaces
sensory neuron
epithelium
Annelida
photoperiodism
24. The outermost - extra-embryonic membrane of reptiles and birds
pheromone
chorion
malpighian tubules
permeability
25. The organelle that provides mechanical support and carries out motility functions for the cell
angiosperm
cytoskeleton
phagocyte
geographical barrier
26. Requiring free oxygen from the atmosphere for normal activity and respiration
sphincter
aerobic
parenchyma
thrombin
27. The process of breaking down large organic molecules into smaller ones
thymine
stamen
zygote
digestion
28. An emulsifying agent secreted by the liver
hybrid
deamination
lymphocyte
bile
29. Describes a fluid that has a lower osmotic pressure than a fluid it is compared to
pith
hypotonic
disjunction
inner ear
30. The orderly process by which one biotic community replaces another until a climax community is established
cyton
ecological succession
villus
cuticle
31. The womb in which the fetus develops
mitosis
style
uterus
endoplasm
32. An opening in the eye whose size is regulated by the iris
pupil
taiga
immunity
epididymis
33. A ring-shaped muscle that is capable of closing a tubular opening by constriction
bacillus
crossing over
polyp
sphincter
34. xylem that is no longer being used
commensal
pelagic zone
wood
Calvin cycle
35. 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
rhizome
species
secondary tissue
test cross
36. A structure that extends from the trunk of an organism and is capable of active movements
inversion
appendage
egg
colon
37. A large class of arthropods - including crabs and lobsters
taxonomy
cerebrum
ecological succession
Crustacea
38. The hind portion of the forebrain of vertebrates
root hair
chitin
diencephalon
semicircular canals
39. The junction or gap between the axon terminal of one neuron and the dendrites of another neuron
stigma
synapse
nerve
cerebellum
40. A stage of embryonic development in which the embryo consists of a hollow ball of cells
sympathetic
homozygous
blastula
nerve cord
41. The tenth cranial nerve that innervates digestive organs - heart and other areas
vacuole
vagus nerve
taiga
retina
42. The type of mating that occurs when an organism selects a mating partner that resembles itself
cerebral cortex
assortative mating
retina
epithelium
43. A thin - transparent - eyelid-like membrane that opens and closes laterally across the cornea of many vertebrates (the third eyelid)
imprinting
analogous
nictitating membrane
auxin
44. An organ that stores bile
herbivore
gall bladder
cornea
epidermis
45. The movement of particles from one place to another as a result of their random motion
hypotonic
chemotropism
thymine
diffusion
46. A structure of the eye that focuses images on the retina by changing its convexity
lens
gymnosperm
monohybrid
retina
47. Cytoplasmic organelles that serve as sites of respiration; a rod-shaped body in the cytoplasm known to be the center of cellular respiration
trachea
physiology
interstitial cells
mitochondria
48. The thin - bent part of the renal tubule that is the site of the counter-current flow and the sodium gradient
Loop of Henle
adenosine phosphate
allantois
endocrine gland
49. The most anterior portion of the small intestine of vertebrates - adjacent to the stomach; the continuation of the stomach into which the bile duct and pancreatic duct empty
substrate
duodenum
rhodopsin
anther
50. A tube connecting the ovaries and the uterus
spindle
Arthropoda
oviduct
purine