Virginia Biology SOL Practice Test

These questions are part of the practice quiz. Start practicing

• Which term describes organisms that break down dead organic matter?
• What is the taxonomic classification of primitive single-celled organisms?
• What is a wet mount used for in microscopic examination?
• Which term describes adaptation allowing an organism to blend into its environment?
• Which of the following describes a solution with a pH greater than 7?
• Which phenomenon is explained by sex-linked inheritance?
• What is the role of hormones in the body?
• What is the main event during anaphase in mitosis or meiosis?
• What is the process called that describes the change in populations of organisms over time?
• What is the term for the gradual and orderly process of change in an ecosystem?
• What is the final stage of meiosis when chromosomes move toward opposite ends called?
• What distinguishes chordates from other phyla?
• Which process describes the conversion of DNA information into protein?
• What describes the quaternary period in geological time?
• What is the process by which DNA makes a copy of itself before cell division?
• What process is primarily responsible for producing mRNA from a DNA template?
• What is the main role of a paleontologist?
• In ecological terms, a population fully adapted to its environment is known as?
• What is the role of a pollinator in the process of reproduction?
• What is the term for the secretion from an endocrine gland that affects specific tissues in the body?
• Which term refers to environments based in water?
• What is the name of the process through which plants release water vapor?
• Which term refers to the organic processes necessary for life within a cell or organism?
• How is a homozygous organism defined?
• What term is used to refer to all the plant life in a particular region?
• What metabolic process allows certain organisms to obtain energy from organic molecules?
• What is the property of sticking together surfaces of different composition known as?
• Which organism is commonly used in genetic studies for its simple inheritance patterns?
• What do we call a chemical substance derived from mold or bacteria that is used to kill microorganisms?
• What is the primary function of carbohydrates in biological systems?
• What is the name for a plant's orientation response to light?
• What is the term used for any animal that feeds on meat?
• What phase of the cell cycle occurs when the nucleus is not dividing?
• Which term describes where an organism lives?
• What is the term for an educated guess based on prior knowledge?
• What do we call the setup in an experiment where the independent variable is not altered?
• What does the term 'dominant' refer to in genetics?
• What term is used for the family tree that traces the inheritance of traits over generations?
• What structure is formed during the division of a somatic cell?
• What was the old classification term used for all bacteria?
• Which group of organisms does NOT include autotrophs?
• Herbivores primarily feed on which type of food source?
• What term describes a short hairlike process often forming part of a fringe on a cell, used for locomotion?
• Which process is best described as a natural mechanism that leads to the evolution of organisms best suited to their environment?
• Which insect is well-known for its role as a pollinator in many ecosystems?
• What is the major source of energy for cellular reactions in muscle tissue?
• What term is used for a group of animals or plants that have natural relations?
• What is a mutation in genetics?
• What process involves the formation of new individuals from parental organisms?
• What is the primary function of DNA within a cell?
• What is the term for sleeping during the summer?
• During which stage do chromosomes line up at the cell's equator?
• What term is used to describe the process that can render a protein nonfunctional by altering its structure?
• What are the primary components of the fluid mosaic model?
• What are the factors in an experiment that must be kept the same called?
• Which of the following is a basic structural unit of nucleic acids?
• Which type of genetic allele expresses its characteristic phenotype only when identical?
• Which compound is an essential structural component of membranes?
• What do we call adaptations that are similar due to environmental pressures but evolve independently?
• What is the term for the elongated appendages found in some plants and animals?
• What is the major taxonomic rank that is above phylum and below domain?
• Which stage is characterized by the chromosomes de-condensing and nuclear envelopes reforming?
• What type of compound is primarily responsible for organic cellular membrane structure?
• Which term refers to a relationship between two different species where each gains benefits from the other?
• What process describes the movement of water through a semipermeable membrane?
• What is the term for the remains or an impression of a plant or animal?
• Which method allows for the assessment of genetic variations in a sample?
• What is the term for the type of cell division that results in two nuclei with the same number of chromosomes?
• What does a chromosome primarily carry?
• Which term best describes the entire set of biochemical reactions in an organism?
• Which of the following correctly describes osmosis?
• What is the purpose of a dichotomous key?
• What term describes an animal organism in the early stages of growth and differentiation?
• Which organisms can typically be classified as pathogens?
• Which subgroup includes organisms like blue-green algae?
• What role does the endoplasmic reticulum play in a cell?
• What is the term for related organisms that share a similar structure with a different function?
• What type of cycle includes the processes involving animal waste and decomposition?
• Which of the following is a unicellular organism without membrane-bound nuclei?
• Which term refers to the driving force behind ATP synthesis due to a higher concentration of protons outside the mitochondria's inner membrane?
• What is diffusion in cellular biology?
• What type of relationship is characterized by both species benefiting and is often essential for survival?
• Which biological structures are responsible for conducting fluids in plant systems?
• Which of the following organisms is part of the domain Eukarya?
• What process is referred to as the conversion of light energy into chemical energy in plants?
• Which of the following processes is the direct conversion of light energy into chemical energy?
• What is the major energy storage component composed of three fatty acids bound together?
• Which term describes an organism's observable characteristics that result from its genotype?
• What term describes when one organism resembles another to avoid predators?
• Which of the following variables is always kept consistent throughout an experiment?
• Which of the following terms refers to organisms that produce their own energy?
• Which term describes a peptide containing a chain of more than 10 amino acids?
• What term describes the dissolved substance in a solution?
• Which of the following terms is associated with a measure on a scale from 0 to 14 of acidity?
• What is a substance that initiates or accelerates a chemical reaction without itself being affected?
• What is a common impact of human activities on fauna and flora?
• What is the intermolecular force that holds together the molecules in a solid or liquid called?
• Which of the following groups of plants is known for reproducing by means of flowers and fruit?
• What taxonomic group contains one or more families?
• What is the term for the classification level below kingdom and above class?
• What type of plants have seeds enclosed within a closed ovary?
• Which term describes the process of cell formation and specialization as organisms develop?
• What defines the maximum number of organisms that can be sustained in an environment over a long period?
• Which type of carbohydrate consists of chains of monosaccharide molecules?
• What term describes unicellular eukaryotic organisms that are distinct from multicellular plants and animals?
• Which process ensures that each daughter cell receives a complete set of chromosomes?
• What does biodiversity encompass within an ecosystem?
• What is the process that directs the formation of a specific protein at a ribosome in the cytoplasm?
• What kingdom is known for its large group of bacteria with rigid cell walls?
• What occurs at the ribosomes in a cell?
• What is the job of an organism in its environment called?
• What theory suggests that evolution occurs in rapid bursts followed by long periods of stability?
• What describes characteristics that are passed on through genes located on sex chromosomes?
• What type of proteins act as catalysts in specific biochemical reactions?
• The mitochondria are often referred to as what?
• What is the relationship between estuaries and aquatic ecosystems?
• What is the systematic way to investigate and test scientific hypotheses?
• What are plastids known for containing?
• What is RNA primarily associated with in the cell?
• Which term describes a cell environment with less solute concentration compared to the inside of the cell?
• Which type of plants is characterized by having seeds that are not enclosed in an ovary?
• Which organic compounds are comprised of both an amino group and a carboxylic acid group?
• What does the fluid mosaic model describe?
• In which part of the cell does the chromatin condense to form chromosomes during mitosis?
• What is an ecosystem primarily composed of?
• What term refers to vessels that conduct and circulate fluids in biological organisms?
• What is the term for long-term interactions between two organisms?
• What is an allele?
• What happens to a cell in a hypotonic solution?
• What type of pigments can be found within plastids?
• Which term describes an organism made of one cell?
• Which term is often associated with the diversity of species within an ecosystem?
• What best describes the role of mimicry in animal behavior?
• Which variable in an experiment responds to changes in the independent variable?
• Which term refers to reproduction without the involvement of sex?
• Which part of an enzyme interacts with the substrate during catalysis?
• Which classification includes organisms such as yeast and molds?
• What is the function of lysosomes in a cell?
• What term describes the direct effect that one organism has on another?
• What term describes the idea that species evolve slowly and continuously over long periods of geological time?
• Which term refers to a system formed by the interaction of a community of organisms with their physical environment?
• What are the tiny fibers seen during cell division that radiate from two poles called?
• What process involves arranging things into classes or categories?
• What is the term for the division of the cytoplasm following karyokinesis?
• What term describes any animal of the phylum Chordata having a notochord?
• What type of life forms are bacteria and blue-green algae classified under?
• What kind of community is formed when a population reaches a stable equilibrium with its environment?
• What do we call the logarithm of the reciprocal of hydrogen-ion concentration?
• What describes the process of carbon circulating from the atmosphere into organisms and back again?
• Which of the following is NOT a type of luminescence?
• Which organelle is known to be involved in protein synthesis by attaching to mRNA?
• How does camouflage primarily benefit an organism?
• Which type of bacteria is involved in soil nitrogen fixation?
• What is the process called that involves discharging waste matter from the body?
• What is the term for the development of multiple species from a common ancestor?
• Which of the following best describes a scientific theory?
• Which phase in ecological succession follows the colonization of pioneer species?
• What essential groups do amino acids contain?
• What is the periodic movement of groups of animals from one region to another for feeding or breeding called?
• Which process oxidizes ammonium compounds into nitrates and nitrites?
• What is a vacuole?
• Which category in biological taxonomy ranks above the class and below the phylum?
• What is the function of the spindle fibers during cell division?
• What is the function of the nucleolus within the nucleus?
• What describes the wide part of a river where fresh and salt water mix?
• What is a small cellular inclusion consisting of a ring of DNA capable of autonomous replication called?
• What is the end result of meiosis?
• What is a crucial aspect of data collection in experiments?
• What is the primary function of the Golgi body in a cell?
• In which type of relationship does one organism benefit while causing damage to another?
• Which term describes a taxonomic group whose members can interbreed?
• What is the term for the motion of charged particles in a colloid under an electric field?
• What role do decomposers play in an ecosystem?
• Which major category ranks above the order and below the phylum in biological classification?
• What do we call the gradual change in species through processes such as natural selection?
• Which term refers to unrelated organisms sharing a structure with similar function but different design?
• What describes the gradual difference in concentration of a dissolved substance in a solution?
• What substance is essential in cellular energy transfer?
• What type of lipid is an important energy source and makes up a significant portion of stored body fat?
• Which term describes organisms that are active during the night?
• What is the process called that involves recognizing and noting a fact or occurrence?
• Which plant response is characterized by growth towards the source of light?
• What is the process of an organism growing organically and changing from simple to complex called?
• Which type of organism is capable of making its own food?
• What is the biochemical process by which plants convert inorganic carbon into organic compounds?
• What does pH measure in a solution?
• What does a karyotype represent?
• What is the process called during early life that establishes species-specific patterns of behavior?
• What does it mean to migrate?
• What are the deep depressions in the Earth's crust that comprise the deepest part of the ocean called?
• What is the term for the preservation and careful management of the environment?
• What is the primary function of mitochondria in eukaryotic cells?
• Proteins are composed of how many common amino acids in various proportions?
• What is the term for the cell resulting from the union of an ovum and a spermatozoon?
• In the context of ecosystems, what do interdependent organisms rely on each other for?
• What refers to an inborn pattern of behavior in animals?
• What property describes the joining of surfaces that are different in composition?
• What type of organic compound contains only carbon and hydrogen?
• What is the process of modifying a native protein, often through heat or radiation?
• What is the process called when two organisms evolve from a common ancestor as a result of different environments?
• What does the term "toxic" refer to?
• What are the two types of endoplasmic reticulum?
• Which biological taxonomy category includes groups like Plantae and Protista?
• What characterizes an individual with congenital albinism?
• Which type of observation utilizes the five senses?
• What taxonomic group contains one or more species?
• What term refers to the substance acted upon by an enzyme or ferment?
• What role do proteins play in the fluid mosaic model?
• What is the term for the distance between two points in the same phase in consecutive cycles of a wave?
• During mitosis, what do we call the identical strands into which a chromosome divides?
• What is the basic unit of life?
• What does it mean for an organism to hibernate?
• What is the name of a biological species name consisting of two terms?
• Which term describes a taxonomic group that contains one or more genera?
• What is the function of chloroplasts in plant cells?
• Which term refers to the third level in a hierarchical classification system?
• What type of organic compound is typically insoluble in water but soluble in organic solvents?
• What is the newly hatched, wingless form of many insects called?
• What are considered ancient life forms that evolved separately from bacteria?
• Which of the following adaptations is associated with survival during harsh conditions?
• What condition does hypertonic refer to in relation to cell environments?
• What structure encloses the cytoplasm of a cell and is semipermeable?
• What is the term for any disease-producing agent, especially a virus or bacterium?
• Which term relates to trees that lose their leaves at the end of the growing season?
• In biological classification, what is the highest rank of organization?
• What is the simplest structural unit of an element or compound?
• In biological taxonomy, what is the classification that ranks above the kingdom?
• What term describes the act of passing from one proposition to another based on the truth of the former?
• What does it mean if an organism is heterozygous?
• What term describes when two unrelated organisms develop similar adaptations because they live in similar environments?
• What term describes the luminescence produced by physiological processes, such as in fireflies?
• What is the process called when organisms maintain stable internal conditions despite external changes?
• Which process produces reproductive cells in sexually reproducing organisms?
• What defines the act of closely inspecting the relationships among parts of a whole?
• What type of biological molecule is formed by linking many monosaccharides together?
• Which organelle is responsible for the growth and reproduction of a cell?
• What term describes an animal that lacks a backbone or notochord?
• What term describes an organism's capacity to respond to light and dark periods?
• What is the main characteristic of a deciduous tree?
• What term describes a genetic pattern that increases susceptibility to a specific disease?
• In genetics, which of the following is used to study inheritance patterns?
• What is the term for the maintenance or growth of dispersed cells in a medium after removal from the body?
• What does genotype refer to?
• What is the primary focus of a test cross in genetics?
• What does isotonic mean regarding cell environments?
• Which term describes the body's method of eliminating waste products?
• What is primarily produced during gene expression?
• Which type of animal primarily feeds on plants?
• What term refers to the variable that is manipulated or changed in an experiment?
• What term describes the passage of genetic traits from parents to offspring?
• What is the role of centrioles during mitosis?
• Which type of organic compound has a structure based on 17 carbon atoms arranged in four rings?
• What term describes land-based environmental conditions?
• What is the simplest group of carbohydrates that does not hydrolyze into other sugars?
• What do we call organisms that must consume food to obtain energy?
• Which behavior is typically not learned but is instead an inherited response?
• During which phase does the nuclear envelope break down?
• Which term describes an environmental factor that restricts the growth or activities of an organism?
• Which process involves copying the DNA sequence in a gene into mRNA?
• Which of the following terms refers to organisms within a taxonomic category?
• Which term refers to the property that helps molecules stick together within a liquid?
• What occurs when populations of organisms are separated and can no longer interbreed?
• What term is used to describe factors that make it more difficult for an organism to survive in a given environment?
• What term describes the falling of any form of water such as rain or snow?
• Which term denotes the first level of classification in biological hierarchy?
• Which concept describes the idea that specific environmental pressures can lead to the enhancement of particular traits in organisms?
• What defines a living thing that can act or function independently?
• What component in the cell is primarily responsible for protein synthesis?
• Which type of organism is characterized by having membrane-bound nuclei in its cells?
• What is a primary category in biological taxonomy of animals that ranks above the genus and below the kingdom?
• What is the specific term for the physical union of sperm and ova?
• What type of organism is recognized for mostly being one-celled eukaryotes without a cell wall?
• Which category of genetic information serves as a unit of heredity?
• Which term describes the evolution of species in a gradual manner over long periods?
• What do you call someone who studies forms of life existing in prehistoric times?
• Which term refers to an organism or cell having two sets of chromosomes?
• What is the term for a homogeneous mixture of two or more substances?
• What is the type of cell division that results in the formation of spores in plants?
• Which type of carbohydrate typically involves the condensation of monosaccharides to form longer chains?
• What is a reasoned judgment that follows from two or more propositions considered to be true?
• Which of the following describes a simple compound whose molecules can join together to form polymers?
• What is composed of polymers of amino acids and is essential for the growth and repair of tissues?
• What term refers to the capability of an organism to produce viable offspring?
• What is the term for a relationship where one organism benefits without causing harm to another?
• Which type of respiration occurs in the presence of free oxygen?
• Which of the following represents a category of biological macromolecules that includes simple sugars?
• What is the basis for knowledge or belief used to support conclusions?
• Which characteristic is common among vertebrates?
• What is the name for observation that is expressed in numerical form?
• Which category of substance is an essential structural component of living cells and a source of energy for animals?
• What process involves the synthesis of compounds using radiant energy, particularly in plants?
• What term is used for a mature sexual reproductive cell that has a single set of unpaired chromosomes?
• What is the primary focus of a scientific investigation's hypothesis?
• What do you call an organism that consists of many cells?
• What age range does the tertiary period of geologic time refer to?
• What is the substance within a cell nucleus that consists of DNA and RNA called?
• What kingdom is characterized as lower plants?
• How many common amino acids are proteins typically composed of?
• What is the role of chlorophyll within chloroplasts?
• What type of reproduction results in offspring that are genetically identical to the parent?
• What is referred to as a community where plant and animal populations are stable and balanced?
• What is the method called when an organism with a dominant phenotype is crossed with a recessive organism to determine the unknown genotype?
• Which classification level comes directly below the kingdom?
• What term describes a distinguishing feature of personal nature in genetics?
• When conducting an experiment, what is the purpose of having a control group?
• Which process helps organisms develop traits that allow them to survive in specific environments?
• Which of the following best describes the functional role of enzymes in biological reactions?
• What term is used to define a liquid substance capable of dissolving other substances?
• What is formed by the chemical union of two or more elements in definite proportions by weight?
• What do introns in a gene represent?
• What is the first stage of mitosis or meiosis called?
• What is the primary biological function of proteins?
• What term describes the process when populations of organisms die out?
• Which evolutionary process can lead to two or more species sharing similar traits due to similar environmental challenges?
• Which term refers to the deriving of a conclusion based on reasoning?
• What must scientists have to support their conclusions in an experiment?
• What is defined as a group of organisms of the same species that populate a given area?
• What is the result when the gene order on a chromosome is inverted?
• What process involves the assimilation of atmospheric nitrogen by soil bacteria for plant use?
• What term is used to describe the regions of the surface and atmosphere of the Earth where living organisms exist?
• What describes a group of interdependent organisms inhabiting the same region and interacting with each other?
• What term describes all the animal life in a particular region?
• What type of mutation occurs when the order of genes in a chromosome is reversed?
• Which component of a solution is capable of dissolving other substances?
• Which adaptation might an organism have to help it survive in cold environments?
• Which term refers specifically to the role and position a species has in its environment?
• Which taxonomic kingdom includes all living or extinct animals?
• What do vertebrates have that distinguishes them from other animals?
• An animal that feeds on both plants and animals is referred to as what?
• What term describes an organism or cell that has only one complete set of chromosomes?
• Which term refers to the result of new combinations of genetic material?
• How does diffusion typically occur in a cell?
• Which field studies the general principles of scientific classification?
• What do we call a naturally occurring or synthetic compound consisting of large molecules made up of linked simple monomers?
• What is the term for the metabolic equilibrium maintained by biological mechanisms to counteract changes?