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Biology Test
Content
ETS Major Field Test – 150 Questions
Five Domains – Four
(31 Questions)
(30 Questions)
Analytic Skills
Overlapping
(50 Questions)
(39 Questions)
Within 4
2
1 Biochemistry
and Cell
Energetics
Biochemical Compounds and
Macromolecules; 1,2 laws of
thermodynamics; enzyme
activity and regulation, ATP
and energy-producing
pathways; post-translational
modification, transmembrane
insertion and sorting of
proteins; cell-cell
communication
4 Diversity
Cellular
Structure,
Organization,
and Function
Organelles; cytoskeleton ,
cell motility; cell surfaces,
membrane function;
extracellular space; cell
theory and germ theory;
distinctions among
archaebacteria, eubacteria,
euakaryotic cells; cell
growth, cell cycle, mitosis,
cytokinesis
5 Organismal/Animals
Organisms
Phylogenetic
relationships,
classification,
morphology, life
histories and
general biology of
bacteria and
acheaea, protists,
fungi, plants and
animals; origin of
life and
endosymbiont
theory; fossil
record and human
evolution;
systematic and
molecular
phylogeny;
adaptations of
organisms to
habitats
= 9 Content Areas
Organ Systems
(vertebrates/invertebrates)comparative structure,
function, organization:
digestion, nutrition,
excretion, osmoregulation,
gas exchange, ventilation,
circulatory systems,
support and movement,
nervous and endocrine
systems, integument,
immune system, metabolic
rates and energy
Animal Reproduction,
Growth, and Development:
reproductive structures
and gametogenesis;
fertilization, cleavage and
gastrulation; comparative
embryology; reproduction
in nonchordate animals
6 Organismal/Plants
3 Molecular Biology and Molecular Genetics
Molecular Genetics: DNA replication, mutation; gene
structure, introns, exons; regulation of gene
expression; RNA transcription and modification;
translation of mRNA; bacteriophages and viruses;
control of normal development; cancer; molecular
aspects of immunology; genetic engineering
9 Analytic Skills
Hypothesis
Testing
Heredity: Meiosis, chromosomal alterations; models of
inheritance; probability and pedigree analysis;
segregation, recombination, chromosome mapping;
polyploidy, aneuploidy; sex determination; nonMendelian inheritance; prokaryote genetics
Limitations of
Science
Inductive
Plant Organ Systems (seed
7 Population Genetics and Evolution
plants and nonseed plants) Reasoning
comparative structures,
function, and
Population Genetics and Natural Selection:
organization; roots, stems,
Genetic Variability and polyploidy;
leaves; plant energetics;
Distributions of genetic variability; Hardywater relations; mineral
Weinberg equilibrium and genetic drift;
nutrition; translocation
heritability, fitness, adaptation
and storage; hormones,
Patterns
of Evolution: Modes of speciation;
photoperiods and
isolating mechanisms, convergence;
tropisms;
divergence and adaptive radiation;
nonphotosynthetic
extinction, evidence for higher taxa
strategies
punctuated equilibrium; neutral mutations,
coevolution; molecular evolution; rates
Plant Reproduction,
Environmental Factors
Development, Growth
Biogeographic and temporal
reproductive structures,
patterns, biomes, and climates
gametogenesis,
sporogenesis; fertilization,
alternation of generations;
embryogeny,
germination; meristems
and growth
8 Ecology
Population Ecology – Habitat Selection,
tolerances, limiting factors, resource
acquisition; demography and population
dynamics
Community Ecology – Competition,
predation, parasitism symbiosis;
community structure , niche, richness &
species diversity, introduced species
Ecosystems – Energy flow, biochemical
cycling and decomposition; food webs;
productivity
Human Impacts – Human demography;
resource depletion, pollution, diseases;
economic botany; habitat modification