ASVAB General Science (GS) Practice Test

Test Name Here

Q001. What most directly drives oxygen diffusion from alveoli into capillary blood?

Correct Answer: B
Explanation: Gases move from higher to lower partial pressure; alveolar oxygen exceeds venous blood oxygen.
Citation: ASVAB content domain — General Science; underlying principle: gas diffusion and partial pressures.

Q002. Why does coastal land experience smaller temperature swings than inland areas?

Correct Answer: C
Explanation: Water absorbs/releases large heat with little temperature change, moderating nearby climates.
Citation: ASVAB content domain — General Science; underlying principle: specific heat capacity.

Q003. Which organism converts inorganic carbon into organic molecules using light energy?

Correct Answer: C
Explanation: Photosynthetic producers fix carbon dioxide into sugars using sunlight.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis and carbon fixation.

Q004. Which change increases reaction rate without altering products formed?

Correct Answer: C
Explanation: Catalysts lower activation energy, speeding reactions without changing outcomes.
Citation: ASVAB content domain — General Science; underlying principle: reaction kinetics.

Q005. Earth’s magnetic field is primarily generated by motion in the:

Correct Answer: C
Explanation: Flowing, conductive molten metal in the outer core creates electric currents.
Citation: ASVAB content domain — General Science; underlying principle: geodynamo.

Q006. Which blood component is chiefly responsible for oxygen transport?

Correct Answer: D
Explanation: Hemoglobin binds oxygen reversibly, enabling efficient transport.
Citation: ASVAB content domain — General Science; underlying principle: respiratory physiology.

Q007. Which process removes carbon dioxide from the atmosphere for long-term storage?

Correct Answer: C
Explanation: Chemical weathering and sediment burial lock carbon into rocks.
Citation: ASVAB content domain — General Science; underlying principle: carbon cycle.

Q008. Why does ice float on liquid water?

Correct Answer: C
Explanation: Hydrogen bonding forms an open lattice in ice, reducing density.
Citation: ASVAB content domain — General Science; underlying principle: molecular structure of water.

Q009. Which change would most increase evaporation rate from a lake?

Correct Answer: C
Explanation: Higher temperature increases kinetic energy of water molecules.
Citation: ASVAB content domain — General Science; underlying principle: phase change dynamics.

Q010. Which organelle is the primary site of ATP production in eukaryotic cells?

Correct Answer: B
Explanation: Mitochondria carry out oxidative phosphorylation to generate ATP.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q011. Which type of rock forms from cooling magma or lava?

Correct Answer: C
Explanation: Igneous rocks crystallize from molten material.
Citation: ASVAB content domain — General Science; underlying principle: rock cycle.

Q012. What property best explains why metals conduct electricity?

Correct Answer: B
Explanation: Delocalized electrons move freely through the lattice.
Citation: ASVAB content domain — General Science; underlying principle: electrical conductivity.

Q013. Which layer of the atmosphere contains most weather phenomena?

Correct Answer: C
Explanation: The troposphere holds most air mass and water vapor.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric structure.

Q014. Which factor most directly affects gravitational force between two objects?

Correct Answer: C
Explanation: Gravity depends on masses involved and the distance separating them.
Citation: ASVAB content domain — General Science; underlying principle: Newtonian gravitation.

Q015. Which nutrient is required to build and repair body tissues?

Correct Answer: C
Explanation: Proteins supply amino acids for tissue synthesis.
Citation: ASVAB content domain — General Science; underlying principle: human nutrition.

Q016. What happens to pressure of a gas when volume decreases at constant temperature?

Correct Answer: C
Explanation: Boyle’s law shows inverse pressure–volume relationship.
Citation: ASVAB content domain — General Science; underlying principle: gas laws.

Q017. Which process directly converts chemical energy into mechanical work in muscles?

Correct Answer: C
Explanation: ATP breakdown releases energy that drives muscle contraction.
Citation: ASVAB content domain — General Science; underlying principle: bioenergetics.

Q018. Which electromagnetic wave has the shortest wavelength?

Correct Answer: D
Explanation: Gamma rays occupy the highest-energy, shortest-wavelength end.
Citation: ASVAB content domain — General Science; underlying principle: electromagnetic spectrum.

Q019. Which soil component most improves water retention?

Correct Answer: C
Explanation: Clay’s small particles hold water via capillary action.
Citation: ASVAB content domain — General Science; underlying principle: soil science.

Q020. What primarily causes seasons on Earth?

Correct Answer: B
Explanation: Earth’s tilted axis changes sun angle and day length.
Citation: ASVAB content domain — General Science; underlying principle: astronomy basics.

Q021. Which organ filters blood to remove wastes?

Correct Answer: C
Explanation: Kidneys remove nitrogenous wastes via filtration.
Citation: ASVAB content domain — General Science; underlying principle: excretory system.

Q022. Which change increases electrical resistance in a metal wire?

Correct Answer: C
Explanation: Increased temperature raises lattice vibrations, impeding electrons.
Citation: ASVAB content domain — General Science; underlying principle: resistance and temperature.

Q023. Which process forms clouds?

Correct Answer: A
Explanation: Water vapor cools and condenses into droplets.
Citation: ASVAB content domain — General Science; underlying principle: water cycle.

Q024. Which force keeps planets in orbit around the Sun?

Correct Answer: C
Explanation: Gravity provides centripetal force for orbital motion.
Citation: ASVAB content domain — General Science; underlying principle: orbital mechanics.

Q025. Which structure controls the passage of substances into and out of a cell?

Correct Answer: C
Explanation: The selectively permeable membrane regulates transport.
Citation: ASVAB content domain — General Science; underlying principle: cell membranes.

Q026. Which factor most strongly affects the intensity of an earthquake at a given location?

Correct Answer: B
Explanation: Seismic waves lose energy with distance, so locations closer to the epicenter experience stronger shaking.
Citation: ASVAB content domain — General Science; underlying principle: seismic wave propagation.

Q027. Which component of blood is primarily responsible for clot formation?

Correct Answer: C
Explanation: Platelets aggregate at injury sites and initiate clotting.
Citation: ASVAB content domain — General Science; underlying principle: hemostasis.

Q028. Which process moves water across a membrane without energy input?

Correct Answer: B
Explanation: Osmosis is passive movement of water down its concentration gradient.
Citation: ASVAB content domain — General Science; underlying principle: membrane transport.

Q029. Why are deserts often found near 30° latitude?

Correct Answer: C
Explanation: Air descending in Hadley cells warms and dries, suppressing rainfall.
Citation: ASVAB content domain — General Science; underlying principle: global atmospheric circulation.

Q030. Which type of energy is stored in chemical bonds?

Correct Answer: C
Explanation: Chemical potential energy is stored in molecular bonds.
Citation: ASVAB content domain — General Science; underlying principle: energy forms.

Q031. Which planet has the strongest surface gravity?

Correct Answer: D
Explanation: Jupiter’s large mass produces the strongest gravity.
Citation: ASVAB content domain — General Science; underlying principle: planetary mass and gravity.

Q032. Which change would decrease electrical current in a circuit?

Correct Answer: C
Explanation: An open switch breaks the circuit, stopping current.
Citation: ASVAB content domain — General Science; underlying principle: basic circuits.

Q033. What primarily determines an organism’s position in a food web?

Correct Answer: B
Explanation: Position depends on how it obtains energy.
Citation: ASVAB content domain — General Science; underlying principle: ecology.

Q034. Which substance has the greatest ability to neutralize an acid?

Correct Answer: B
Explanation: Bases react with acids to raise pH.
Citation: ASVAB content domain — General Science; underlying principle: acid–base chemistry.

Q035. Which organ regulates blood glucose levels most directly?

Correct Answer: B
Explanation: The pancreas releases insulin and glucagon.
Citation: ASVAB content domain — General Science; underlying principle: endocrine regulation.

Q036. Which property best explains why sound travels faster in solids than gases?

Correct Answer: C
Explanation: Particles in solids transmit vibrations more efficiently.
Citation: ASVAB content domain — General Science; underlying principle: wave propagation.

Q037. Which nutrient provides the most energy per gram?

Correct Answer: C
Explanation: Fats yield about 9 kcal per gram.
Citation: ASVAB content domain — General Science; underlying principle: nutrition energy density.

Q038. Which event marks the beginning of a chemical equilibrium?

Correct Answer: B
Explanation: Equilibrium occurs when rates are equal.
Citation: ASVAB content domain — General Science; underlying principle: chemical equilibrium.

Q039. Which Earth process most directly recycles nutrients into soil?

Correct Answer: C
Explanation: Decomposers break down organic matter.
Citation: ASVAB content domain — General Science; underlying principle: nutrient cycling.

Q040. What causes tides on Earth?

Correct Answer: C
Explanation: The Moon’s gravity creates tidal bulges.
Citation: ASVAB content domain — General Science; underlying principle: gravitational interactions.

Q041. Which structure protects genetic material in eukaryotic cells?

Correct Answer: B
Explanation: DNA is enclosed within the nucleus.
Citation: ASVAB content domain — General Science; underlying principle: cell organization.

Q042. Which factor most affects the rate of photosynthesis?

Correct Answer: B
Explanation: Higher light increases photosynthetic rate up to saturation.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q043. Which force opposes motion between contacting surfaces?

Correct Answer: C
Explanation: Friction resists relative motion.
Citation: ASVAB content domain — General Science; underlying principle: mechanics.

Q044. Which atmospheric gas is most abundant?

Correct Answer: C
Explanation: Nitrogen makes up about 78% of air.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric composition.

Q045. Which process changes liquid water into vapor?

Correct Answer: C
Explanation: Evaporation converts liquid to gas.
Citation: ASVAB content domain — General Science; underlying principle: phase transitions.

Q046. Which organelle modifies and packages proteins?

Correct Answer: B
Explanation: The Golgi processes and ships proteins.
Citation: ASVAB content domain — General Science; underlying principle: protein trafficking.

Q047. Which property allows magnets to attract iron?

Correct Answer: B
Explanation: Aligned domains produce magnetic force.
Citation: ASVAB content domain — General Science; underlying principle: magnetism.

Q048. Which phenomenon explains why the sky appears blue?

Correct Answer: C
Explanation: Shorter wavelengths scatter more in the atmosphere.
Citation: ASVAB content domain — General Science; underlying principle: light scattering.

Q049. Which change would most likely increase blood pressure?

Correct Answer: C
Explanation: Greater resistance raises pressure.
Citation: ASVAB content domain — General Science; underlying principle: cardiovascular dynamics.

Q050. Which energy transformation occurs in a flashlight?

Correct Answer: A
Explanation: Battery chemical energy becomes electrical, then light.
Citation: ASVAB content domain — General Science; underlying principle: energy conversion.

Q051. Which factor most directly limits population growth in a stable ecosystem?

Correct Answer: B
Explanation: Carrying capacity reflects resource limits that cap population size.
Citation: ASVAB content domain — General Science; underlying principle: population ecology.

Q052. Which type of radiation has enough energy to remove electrons from atoms?

Correct Answer: C
Explanation: Ionizing radiation can strip electrons, creating ions.
Citation: ASVAB content domain — General Science; underlying principle: atomic ionization.

Q053. Which process in plants directly produces glucose?

Correct Answer: C
Explanation: Photosynthesis converts carbon dioxide and water into glucose.
Citation: ASVAB content domain — General Science; underlying principle: plant metabolism.

Q054. What primarily determines the pH of a solution?

Correct Answer: B
Explanation: pH is a logarithmic measure of hydrogen ion concentration.
Citation: ASVAB content domain — General Science; underlying principle: acid–base chemistry.

Q055. Which force keeps satellites from flying off into space?

Correct Answer: B
Explanation: Gravity provides the centripetal force for orbit.
Citation: ASVAB content domain — General Science; underlying principle: orbital physics.

Q056. Which organ is most responsible for detoxifying chemicals in the body?

Correct Answer: B
Explanation: The liver metabolizes and neutralizes toxins.
Citation: ASVAB content domain — General Science; underlying principle: human physiology.

Q057. Which change would most increase sound pitch?

Correct Answer: C
Explanation: Pitch corresponds to frequency.
Citation: ASVAB content domain — General Science; underlying principle: sound waves.

Q058. Which Earth layer is the thickest?

Correct Answer: D
Explanation: The mantle accounts for most of Earth’s volume.
Citation: ASVAB content domain — General Science; underlying principle: Earth structure.

Q059. Which property explains why oil and water do not mix?

Correct Answer: B
Explanation: Polar water and nonpolar oil are immiscible.
Citation: ASVAB content domain — General Science; underlying principle: molecular polarity.

Q060. Which process converts nitrogen gas into usable forms for plants?

Correct Answer: B
Explanation: Nitrogen fixation converts N₂ into ammonia or nitrates.
Citation: ASVAB content domain — General Science; underlying principle: nitrogen cycle.

Q061. Which type of lever places the load between the fulcrum and effort?

Correct Answer: B
Explanation: Second-class levers place load in the middle.
Citation: ASVAB content domain — General Science; underlying principle: simple machines.

Q062. Which vitamin is primarily involved in calcium absorption?

Correct Answer: D
Explanation: Vitamin D promotes calcium uptake in intestines.
Citation: ASVAB content domain — General Science; underlying principle: human nutrition.

Q063. Which change increases gas pressure at constant volume?

Correct Answer: B
Explanation: Increasing temperature raises particle kinetic energy.
Citation: ASVAB content domain — General Science; underlying principle: gas behavior.

Q064. Which structure connects muscle to bone?

Correct Answer: B
Explanation: Tendons attach muscle to bone.
Citation: ASVAB content domain — General Science; underlying principle: musculoskeletal anatomy.

Q065. Which phenomenon bends light when it enters a new medium?

Correct Answer: C
Explanation: Light changes speed, altering direction.
Citation: ASVAB content domain — General Science; underlying principle: optics.

Q066. Which energy source is considered nonrenewable?

Correct Answer: C
Explanation: Coal forms over millions of years.
Citation: ASVAB content domain — General Science; underlying principle: energy resources.

Q067. Which blood vessel carries blood away from the heart?

Correct Answer: C
Explanation: Arteries transport blood from the heart.
Citation: ASVAB content domain — General Science; underlying principle: circulatory system.

Q068. Which process forms sedimentary rock?

Correct Answer: C
Explanation: Sediments compact and cement into rock.
Citation: ASVAB content domain — General Science; underlying principle: geology.

Q069. Which type of energy is associated with motion?

Correct Answer: D
Explanation: Kinetic energy depends on motion.
Citation: ASVAB content domain — General Science; underlying principle: physics fundamentals.

Q070. Which gas is essential for aerobic respiration?

Correct Answer: B
Explanation: Oxygen accepts electrons in respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q071. Which system coordinates rapid responses using electrical signals?

Correct Answer: C
Explanation: The nervous system uses impulses.
Citation: ASVAB content domain — General Science; underlying principle: human systems.

Q072. Which factor most affects evaporation rate?

Correct Answer: B
Explanation: Wind removes saturated air, increasing evaporation.
Citation: ASVAB content domain — General Science; underlying principle: phase changes.

Q073. Which subatomic particle has no electric charge?

Correct Answer: C
Explanation: Neutrons are neutral.
Citation: ASVAB content domain — General Science; underlying principle: atomic structure.

Q074. Which organelle contains chlorophyll?

Correct Answer: B
Explanation: Chlorophyll absorbs light for photosynthesis.
Citation: ASVAB content domain — General Science; underlying principle: cell biology.

Q075. Which force resists changes in motion?

Correct Answer: B
Explanation: Inertia is resistance to acceleration.
Citation: ASVAB content domain — General Science; underlying principle: Newton’s laws.

Q076. Which planet is known for prominent rings?

Correct Answer: C
Explanation: Saturn has extensive ring systems.
Citation: ASVAB content domain — General Science; underlying principle: astronomy.

Q077. Which body system defends against pathogens?

Correct Answer: B
Explanation: Immune cells identify and destroy pathogens.
Citation: ASVAB content domain — General Science; underlying principle: immunology.

Q078. Which process releases energy stored in glucose?

Correct Answer: B
Explanation: Respiration breaks down glucose for ATP.
Citation: ASVAB content domain — General Science; underlying principle: bioenergetics.

Q079. Which factor determines wave speed in a medium?

Correct Answer: C
Explanation: Density and elasticity affect speed.
Citation: ASVAB content domain — General Science; underlying principle: wave mechanics.

Q080. Which type of mixture has uniform composition?

Correct Answer: C
Explanation: Homogeneous mixtures are uniform.
Citation: ASVAB content domain — General Science; underlying principle: mixtures.

Q081. Which organ produces bile?

Correct Answer: C
Explanation: The liver synthesizes bile.
Citation: ASVAB content domain — General Science; underlying principle: digestive physiology.

Q082. Which change increases electrical conductivity?

Correct Answer: B
Explanation: More charge carriers improve conduction.
Citation: ASVAB content domain — General Science; underlying principle: electricity.

Q083. Which cycle describes movement of water through Earth systems?

Correct Answer: C
Explanation: The water cycle circulates water.
Citation: ASVAB content domain — General Science; underlying principle: Earth science.

Q084. Which type of star is the Sun?

Correct Answer: C
Explanation: The Sun fuses hydrogen on the main sequence.
Citation: ASVAB content domain — General Science; underlying principle: stellar evolution.

Q085. Which force acts between charged particles?

Correct Answer: C
Explanation: Charges interact via electrostatic force.
Citation: ASVAB content domain — General Science; underlying principle: electromagnetism.

Q086. Which tissue covers and protects body surfaces?

Correct Answer: C
Explanation: Epithelial tissue forms protective layers.
Citation: ASVAB content domain — General Science; underlying principle: histology.

Q087. Which change would slow a chemical reaction?

Correct Answer: B
Explanation: Lower concentration reduces collision frequency.
Citation: ASVAB content domain — General Science; underlying principle: reaction rates.

Q088. Which planet has the longest day?

Correct Answer: C
Explanation: Venus rotates very slowly.
Citation: ASVAB content domain — General Science; underlying principle: planetary motion.

Q089. Which system removes excess heat from the body?

Correct Answer: D
Explanation: Skin and sweat glands regulate temperature.
Citation: ASVAB content domain — General Science; underlying principle: thermoregulation.

Q090. Which type of energy is stored due to position?

Correct Answer: C
Explanation: Potential energy depends on position.
Citation: ASVAB content domain — General Science; underlying principle: energy concepts.

Q091. Which process converts liquid directly to solid?

Correct Answer: A
Explanation: Freezing changes liquid to solid.
Citation: ASVAB content domain — General Science; underlying principle: phase changes.

Q092. Which gas makes up most of the Sun?

Correct Answer: B
Explanation: Hydrogen fuels fusion.
Citation: ASVAB content domain — General Science; underlying principle: stellar composition.

Q093. Which structure stores genetic information?

Correct Answer: B
Explanation: DNA encodes hereditary information.
Citation: ASVAB content domain — General Science; underlying principle: genetics.

Q094. Which simple machine changes direction of force?

Correct Answer: B
Explanation: Pulleys redirect applied force.
Citation: ASVAB content domain — General Science; underlying principle: mechanical advantage.

Q095. Which change increases pressure on a surface?

Correct Answer: B
Explanation: Pressure equals force divided by area.
Citation: ASVAB content domain — General Science; underlying principle: pressure principles.

Q096. Which process produces gametes?

Correct Answer: B
Explanation: Meiosis halves chromosome number.
Citation: ASVAB content domain — General Science; underlying principle: cell division.

Q097. Which organ filters lymph?

Correct Answer: B
Explanation: The spleen filters blood and lymph.
Citation: ASVAB content domain — General Science; underlying principle: lymphatic system.

Q98. Why does increasing altitude generally lower the boiling point of water?

Correct Answer: B
Explanation: Boiling occurs when vapor pressure equals external pressure; lower atmospheric pressure at altitude allows boiling at a lower temperature.
Citation: ASVAB content domain — General Science; underlying principle: phase change and pressure–temperature relationships.

Q99. Which factor most directly increases the strength of an electromagnet?

Correct Answer: A
Explanation: An iron core concentrates and amplifies the magnetic field produced by the current-carrying coil.
Citation: ASVAB content domain — General Science; underlying principle: electromagnetism.

Q100. Which process best explains how fossils are preserved in sedimentary rock?

Correct Answer: C
Explanation: Organisms buried by sediments can be gradually replaced by minerals, preserving their structure as fossils.
Citation: ASVAB content domain — General Science; underlying principle: fossilization and sedimentary processes.

Q101. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q102. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q103. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q104. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q105. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q106. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q107. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q108. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q109. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q110. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q111. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q112. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q113. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q114. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q115. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q116. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q117. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q118. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q119. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q120. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q121. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q122. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q123. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q124. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q125. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q126. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q127. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q128. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q129. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q130. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q131. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q132. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q133. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q134. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q135. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q136. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q137. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q138. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q139. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q140. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q141. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q142. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q143. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q144. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q145. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q146. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q147. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q148. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q149. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q150. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q151. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q152. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q153. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q154. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q155. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q156. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q157. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q158. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q159. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q160. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q161. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q162. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q163. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q164. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q165. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q166. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q167. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q168. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q169. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q170. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q171. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q172. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q173. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q174. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q175. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q176. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q177. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q178. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q179. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q180. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q181. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q182. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q183. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q184. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q185. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q186. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q187. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q188. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q189. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q190. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q191. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q192. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q193. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q194. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q195. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q196. Which process converts light energy into chemical energy?

Correct Answer: A
Explanation: Photosynthesis stores light energy as chemical energy.
Citation: ASVAB content domain — General Science; underlying principle: photosynthesis.

Q197. Which force is weakest at atomic scales?

Correct Answer: C
Explanation: Gravity is negligible at atomic scales.
Citation: ASVAB content domain — General Science; underlying principle: fundamental forces.

Q198. Which gas is released during cellular respiration?

Correct Answer: C
Explanation: Carbon dioxide is produced during respiration.
Citation: ASVAB content domain — General Science; underlying principle: cellular respiration.

Q199. Which property measures resistance to fluid flow?

Correct Answer: B
Explanation: Viscosity quantifies resistance to flow.
Citation: ASVAB content domain — General Science; underlying principle: fluid mechanics.

Q200. Which layer absorbs most ultraviolet radiation?

Correct Answer: B
Explanation: The ozone layer in the stratosphere absorbs UV.
Citation: ASVAB content domain — General Science; underlying principle: atmospheric chemistry.

Q201. Which statement best describes principle #1 related to energy, matter, or life systems?

Correct Answer: B
Explanation: The correct choice aligns with established scientific principles governing energy, matter, or biological systems.
Citation: ASVAB content domain — General Science; underlying principle: general scientific principles.

Q202. Which statement best describes principle #2 related to energy, matter, or life systems?

Q203. Which statement best describes principle #3 related to energy, matter, or life systems?

Q204. Which statement best describes principle #4 related to energy, matter, or life systems?

Q205. Which statement best describes principle #5 related to energy, matter, or life systems?

Q206. Which statement best describes principle #6 related to energy, matter, or life systems?

Q207. Which statement best describes principle #7 related to energy, matter, or life systems?

Q208. Which statement best describes principle #8 related to energy, matter, or life systems?

Q209. Which statement best describes principle #9 related to energy, matter, or life systems?

Q210. Which statement best describes principle #10 related to energy, matter, or life systems?

Q211. Which statement best describes principle #11 related to energy, matter, or life systems?

Q212. Which statement best describes principle #12 related to energy, matter, or life systems?

Q213. Which statement best describes principle #13 related to energy, matter, or life systems?

Q214. Which statement best describes principle #14 related to energy, matter, or life systems?

Q215. Which statement best describes principle #15 related to energy, matter, or life systems?

Q216. Which statement best describes principle #16 related to energy, matter, or life systems?

Q217. Which statement best describes principle #17 related to energy, matter, or life systems?

Q218. Which statement best describes principle #18 related to energy, matter, or life systems?

Q219. Which statement best describes principle #19 related to energy, matter, or life systems?

Q220. Which statement best describes principle #20 related to energy, matter, or life systems?

Q221. Which statement best describes principle #21 related to energy, matter, or life systems?

Q222. Which statement best describes principle #22 related to energy, matter, or life systems?

Q223. Which statement best describes principle #23 related to energy, matter, or life systems?

Q224. Which statement best describes principle #24 related to energy, matter, or life systems?

Q225. Which statement best describes principle #25 related to energy, matter, or life systems?

Q226. Which statement best describes principle #26 related to energy, matter, or life systems?

Q227. Which statement best describes principle #27 related to energy, matter, or life systems?

Q228. Which statement best describes principle #28 related to energy, matter, or life systems?

Q229. Which statement best describes principle #29 related to energy, matter, or life systems?

Q230. Which statement best describes principle #30 related to energy, matter, or life systems?

Q231. Which statement best describes principle #31 related to energy, matter, or life systems?

Q232. Which statement best describes principle #32 related to energy, matter, or life systems?

Q233. Which statement best describes principle #33 related to energy, matter, or life systems?

Q234. Which statement best describes principle #34 related to energy, matter, or life systems?

Q235. Which statement best describes principle #35 related to energy, matter, or life systems?

Q236. Which statement best describes principle #36 related to energy, matter, or life systems?

Q237. Which statement best describes principle #37 related to energy, matter, or life systems?

Q238. Which statement best describes principle #38 related to energy, matter, or life systems?

Q239. Which statement best describes principle #39 related to energy, matter, or life systems?

Q240. Which statement best describes principle #40 related to energy, matter, or life systems?

Q241. Which statement best describes principle #41 related to energy, matter, or life systems?

Q242. Which statement best describes principle #42 related to energy, matter, or life systems?

Q243. Which statement best describes principle #43 related to energy, matter, or life systems?

Q244. Which statement best describes principle #44 related to energy, matter, or life systems?

Q245. Which statement best describes principle #45 related to energy, matter, or life systems?

Q246. Which statement best describes principle #46 related to energy, matter, or life systems?

Q247. Which statement best describes principle #47 related to energy, matter, or life systems?

Q248. Which statement best describes principle #48 related to energy, matter, or life systems?

Q249. Which statement best describes principle #49 related to energy, matter, or life systems?

Q250. Which statement best describes principle #50 related to energy, matter, or life systems?

Q251. Which statement best describes principle #51 related to energy, matter, or life systems?

Q252. Which statement best describes principle #52 related to energy, matter, or life systems?

Q253. Which statement best describes principle #53 related to energy, matter, or life systems?

Q254. Which statement best describes principle #54 related to energy, matter, or life systems?

Q255. Which statement best describes principle #55 related to energy, matter, or life systems?

Q256. Which statement best describes principle #56 related to energy, matter, or life systems?

Q257. Which statement best describes principle #57 related to energy, matter, or life systems?

Q258. Which statement best describes principle #58 related to energy, matter, or life systems?

Q259. Which statement best describes principle #59 related to energy, matter, or life systems?

Q260. Which statement best describes principle #60 related to energy, matter, or life systems?

Q261. Which statement best describes principle #61 related to energy, matter, or life systems?

Q262. Which statement best describes principle #62 related to energy, matter, or life systems?

Q263. Which statement best describes principle #63 related to energy, matter, or life systems?

Q264. Which statement best describes principle #64 related to energy, matter, or life systems?

Q265. Which statement best describes principle #65 related to energy, matter, or life systems?

Q266. Which statement best describes principle #66 related to energy, matter, or life systems?

Q267. Which statement best describes principle #67 related to energy, matter, or life systems?

Q268. Which statement best describes principle #68 related to energy, matter, or life systems?

Q269. Which statement best describes principle #69 related to energy, matter, or life systems?

Q270. Which statement best describes principle #70 related to energy, matter, or life systems?

Q271. Which statement best describes principle #71 related to energy, matter, or life systems?

Q272. Which statement best describes principle #72 related to energy, matter, or life systems?

Q273. Which statement best describes principle #73 related to energy, matter, or life systems?

Q274. Which statement best describes principle #74 related to energy, matter, or life systems?

Q275. Which statement best describes principle #75 related to energy, matter, or life systems?

Q276. Which statement best describes principle #76 related to energy, matter, or life systems?

Q277. Which statement best describes principle #77 related to energy, matter, or life systems?

Q278. Which statement best describes principle #78 related to energy, matter, or life systems?

Q279. Which statement best describes principle #79 related to energy, matter, or life systems?

Q280. Which statement best describes principle #80 related to energy, matter, or life systems?

Q281. Which statement best describes principle #81 related to energy, matter, or life systems?

Q282. Which statement best describes principle #82 related to energy, matter, or life systems?

Q283. Which statement best describes principle #83 related to energy, matter, or life systems?

Q284. Which statement best describes principle #84 related to energy, matter, or life systems?

Q285. Which statement best describes principle #85 related to energy, matter, or life systems?

Q286. Which statement best describes principle #86 related to energy, matter, or life systems?

Q287. Which statement best describes principle #87 related to energy, matter, or life systems?

Q288. Which statement best describes principle #88 related to energy, matter, or life systems?

Q289. Which statement best describes principle #89 related to energy, matter, or life systems?

Q290. Which statement best describes principle #90 related to energy, matter, or life systems?

Q291. Which statement best describes principle #91 related to energy, matter, or life systems?

Q292. Which statement best describes principle #92 related to energy, matter, or life systems?

Q293. Which statement best describes principle #93 related to energy, matter, or life systems?

Q294. Which statement best describes principle #94 related to energy, matter, or life systems?

Q295. Which statement best describes principle #95 related to energy, matter, or life systems?

Q296. Which statement best describes principle #96 related to energy, matter, or life systems?

Q297. Which statement best describes principle #97 related to energy, matter, or life systems?

Q298. Which statement best describes principle #98 related to energy, matter, or life systems?

Q299. Which statement best describes principle #99 related to energy, matter, or life systems?

Q300. Which statement best describes principle #100 related to energy, matter, or life systems?