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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. Passively floating or drifting flora and fauna of a body of water; consists mainly of microscopic organisms
pairing
plankton
gymnosperm
autolysis
2. An abbreviation of nicotinamide-adenine-dinucleotide-phosphate - also called TPN; an organic compound that serves as an oxidation-reduction molecule
NADP
carbohydrate
polyploidy
pseudopod
3. Comprises somatic and autonomic nervous systems; consists of cranial nerves and spinal nerves
NAD
monohybrid
peripheral nervous system
coelom
4. The production of a number of different species from a single ancestral species
ptyalin
adaptive radiation
nerve
yolk sac
5. 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
carbohydrate
ingestion
carnivore
seminal fluid
6. A mall sex hormone (e.g. - testosterone)
androgen
flagellum
duodenum
ventral root
7. Technology that allows for manipulation of genetic material
cytosine
recombinant DNA technology
diploid
niche
8. The first filial generation (first offspring)
thryoxin
F1
coenzyme
Krebs cycle
9. A pair of chromosome pairs present during the first metaphase of meiosis
fermentation
pistil
progesterone
tetrad
10. Any chromosome that is not a sex chromosome
reticulum
trilobite
follicle
autosome
11. The coagulation of blood caused by the rupture of platelets and the interaction of fibrin - fibrinogen - thrombin - prothrombin and calcium ions
osmosis
clotting
mitosis
larva
12. Any cell that is not a reproductive cell
carapace
fibrinogen
somatic cell
autotroph
13. Process of aerobic respiration that fully harvests the energy of glucose; also known as the citric acid cycle
artery
Krebs cycle
thrombin
cytoskeleton
14. An endocrine gland of vertebrates - usually paired - and located near or within the thyroid that secretes parathormone - which controls the metabolism of calcium
rickettsia
polymer
parathyroid
recombinant DNA technology
15. The transfer of pollen from the stamen to the pistil of the same flower
myelin sheath
ecology
anaphase
self-pollination
16. An organism that produces spores; a phase in the diploid-haploid life cycle that alternates with a gametophyte phase
phloem
ribosome
sporophyte
dicotyledon
17. An association between an algae and a fungus that is symbiotic and mutualistic in nature
centromere
germ layer
lichen
carnivore
18. A structure that arises during mitosis and helps separate the chromosomes; composed of tubulin
epidermis
spindle
cyton
hypotonic
19. A five carbon sugar that has one oxygen atom less than ribose; a component of DNA
regeneration
deoxyribose
stroma
eukaryote
20. The solid ball of cells the results from cleavage of an egg; a solid blastula that precedes the blastula stage
morula
central nervous system
primary spermatocyte
stoma
21. An organic cofactor required for enzyme activity
larva
systole
Arachnida
coenzyme
22. A fatty sheath surrounding the axon of a neuron that aids in stimulus transmission; it is secreted by the Schwann cells
plasma
differentation
spiracle
myelin sheath
23. A hormone that stimulates plant stem elongation
lactid acid fermentation
uterus
gibberellin
bud
24. A mass of cells that have similar structures and perform similar functions
genetic code
fallopian tube
thrombin
tissue
25. Describes cells (gametes) that have half the chromosome number typical of the species
cornea
rhizome
haploid
thrombin
26. A large molecule that is composed of many similar molecule units
lymph capillary
polymer
primary spermatocyte
follicle
27. An antipathogenic substance (e.g. - penicillin)
antibiotic
nuclear membrane
testes
gamete
28. The swelling at the end of an axon
fallopian tube
synaptic terminal
parenchyma
systole
29. The chamber in the alimentary canal of certain vertebrates located below the large intestine - into which the ureter and reproductive organs empty (as in frogs)
endosperm
aerobe
Krebs cycle
cloaca
30. The cavity between the lungs and the wall of the chest
pleural cavity
hypotonic
functional groups
endemic
31. The part of the body of an animal that is between the neck or head and the abdomen
cyton
thorax
pharynx
feedback mechanism
32. The description of a plant life cycle that consists of a diploid - asexual - sporophyte generation and a haploid - sexual - gametrophyte generation
pelagic zone
polymer
alternation of generations
prophase
33. The innermost embryonic germ layer that gives rise to the lining of the alimentary canal and to the digestive and respiratory organs
spiracle
linkage
endoderm
stigma
34. A dominant allele suppresses the expression of the other member of an allele pair when both members are present
autonomic nervous system
dominance
goiter
polysaccharide
35. The colored part of the eye that is capable of contracting and regulating the size of the pupils
iris
trilobite
hydrostatic skeleton
adrenal medulla
36. In mammals - the slitlike opening formed by the vocal folds in the larynx
blastula
nitrogen cycle
hypothalamus
glottis
37. A period in the development of animals between the embryo and adult stages; starts at hatching and ends in metamorphasis
thalamus
ventricle
corpus luteum
larva
38. The part of the neuron that transmits impulses to the cell body
plasma
dendrite
carbon cycle
Porifera
39. A plant growth hormone
permeability
endocrine gland
auxin
thoracic duct
40. Fluid-filled structures in the inner ear that are associated with the sense of balance
esophagus
DNA
trypsin
semicircular canals
41. A waxy protective layer secreted by the outer surface of plants - insects - etcetera
aorta
independent assortment
cuticle
genotype
42. An enlargement of the thyroid gland due to lack of iodine
auxin
goiter
ADH (vassopressin)
cloaca
43. An organism that is heterozygous for two different traits
isolation
Arthropoda
platelet
dihybrid
44. The portion of alimentary canal in which some protein digestion occurs
ethylene
blastula
stomach
embolus
45. The instance of polymorphism in which there is a difference of form between two members of a species - as between males and females
dimorphism
thymine
ADH (vassopressin)
gibberellin
46. A microscopic - whiplike filament that serves as a locomotor structure in flagellate cells
cell wall plate
ecological succession
flagellum
gibberellin
47. The elimination of metabolic waster matter
duodenum
mutation
gibberellin
excretion
48. 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
mutualism
angiosperm
gonads
homeotherm
49. An organelle in the cytoplasm that contains RNA; serves as the site of protein synthesis
chemotropism
ribosome
hermaphrodite
sucrase
50. The anaerobic respiration of carbohydrates
dominance
photoperiodism
inner ear
gylcolysis