ASVAB - General Science Exam 60 Questions with Verified Answers,100% CORRECT

ASVAB - General Science Exam 60 Questions with Verified Answers * Which of these reduces friction? car brakes tire tread ball bearings sandpaper - CORRECT ANSWER ball bearings * If you place bean seeds between moist paper towels and watch the stem leaves appear, you will see a demonstration of transpiration germination fertilization pollination - CORRECT ANSWER germination * Any astronomical body that revolves around a larger body is called? a nova a comet a satellite an asteroid a meteoroid - CORRECT ANSWER a satellite * In chemistry, to be classified as an organic substance, a substance must contain sugar molecules sodium atoms carbon atoms water molecules - CORRECT ANSWER carbon atoms * Which element does NOT contain any neutrons? iron carbon oxygen hydrogen - CORRECT ANSWER hydrogen * Regeneration in man is limited to reproduction fertilization experimentation healing of wounds - CORRECT ANSWER reproduction * How many atoms are in a single molecule of water (H2O)? 1 2 3 4 - CORRECT ANSWER 3 * Which of the following is a renewable resource? copper aluminum peanut oil natural gas - CORRECT ANSWER peanut oil * When scientists measure a liquid's resistance to flow, they are measuring the liquid's density solubility viscosity permeability - CORRECT ANSWER viscosity * The chemical formula of a compound describes the elements the compound contains and the pH of the compound conduction of the compound ratio of elements in the compound ratio of neutrons to protons in each element - CORRECT ANSWER ratio of elements in the compound * The filament in an electric light bulb is made from platinum fiberglass aluminum tungsten - CORRECT ANSWER tungsten * When sodium atoms form sodium ions, they share protons gain neutrons lose electrons share photons - CORRECT ANSWER lose electrons * A perpetual-motion machine can never be built because it is not possible to eliminate: momentum inertia elasticity friction - CORRECT ANSWER elasticity * A human skin cell divides by osmosis mitosis glycolysis hydrolysis - CORRECT ANSWER mitosis * What are the two main gases that make up stars? hydrogen and helium chlorine and fluorine nitrogen and hydrogen oxygen and carbon dioxide - CORRECT ANSWER hydrogen and helium What is the symbol for the hydroxyl ion? H- OH- H2O H3O - CORRECT ANSWER OH- The tympanic membranes are also known as the eye lids sinuses ear drums vocal cords - CORRECT ANSWER ear drums Choking is prevented by the diaphragm remaining down vibration of the vocal cords esophagus moving the food epiglottis covering the voice box - CORRECT ANSWER epiglottis covering the voice box Which of the following actions produce a chemical change? boiling water burning the rice adding salt to the hot water melting butter on cooked rice - CORRECT ANSWER burning the rice Which of the following as a non-renewable resource? wood water copper biomass - CORRECT ANSWER copper What do a hydrogen molecule and an oxygen molecule have in common? atomic structure the charge on each electron the number of protons the size - CORRECT ANSWER the charge on each electron A genus classification contains several related species families orders phyla - CORRECT ANSWER species Particles that orbit the nucleus of an atom are anions electrons positrons photons - CORRECT ANSWER electrons As a human breathes, air is first warmed and filtered in the trachea pharynx oral cavity nasal cavity - CORRECT ANSWER nasal cavity In the food chain described below, which is the tertiary consumer? dandelion--- rabbit ---- fox ----- coyote dandelion rabbit fox coyote - CORRECT ANSWER coyote Homo sapiens is the scientific name for the species that preceded human beings primates human beings mammals - CORRECT ANSWER human beings The process by which a solid becomes a gas is known as boiling sublimation melting diffusion - CORRECT ANSWER sublimation The gravitational force the moon exerts on earth is less than one half as much as that exerted by the earth on the moon one half as much as that exerted by the earth on moon the same as that exerted by the earth on the moon more than that exerted by the earth on the moon - CORRECT ANSWER the same as that exerted by the earth on the moon Fungi are organisms that break down dead matter and return the organic material back into the environment for reuse. They are examples of producers decomposers consumers mutualist - CORRECT ANSWER decomposers What is the freezing point of water in Kelvin? -273 K 0 K 100 K 273 K - CORRECT ANSWER 273 K Tough elastic tissues in the joints that connect bones to bones are called ligaments tendons cartilage muscles - CORRECT ANSWER ligaments Stress, a poor diet, cigarette smoking, and hereditary factors all contribute to individuals developing diarrhea high blood pressure gall stones anemia - CORRECT ANSWER high blood pressure Which clouds are thin and wispy and occur high in the atmosphere? cirrus cumulus stratus stratocumulus - CORRECT ANSWER cirrus Fossils are most likely to be found in which of the following types of rock? igneous metamorphic sedimentary volcanic - CORRECT ANSWER sedimentary Animals that consume only plants are called saprophytes herbivores carnivores omnivores - CORRECT ANSWER herbivores What type of star is the sun? red dwarf blue giant white dwarf yellow dwarf - CORRECT ANSWER yellow dwarf Which of the following is a group of organisms of the same species living in the same region? biome ecosystem community population - CORRECT ANSWER population Which one of these planets is NOT an outer planet? Jupiter Saturn Uranus Earth - CORRECT ANSWER Earth A boulder that begins to roll down a hill is an example an energy conversation from potential to thermal potential to kinetic kinetic to thermal kinetic to potential - CORRECT ANSWER potential to kinetic The lowest layer of the earth's atmosphere is called the ionosphere mesosphere stratosphere troposphere - CORRECT ANSWER troposphere According to the law of conservation of energy energy is the capacity to do work energy can neither be created or destroyed energy is possessed by a moving object energy is stored in an object as a result of its position, shape, or state - CORRECT ANSWER energy can neither be created or destroyed As an ambulance passes, its pitch seems to change. this perception is best explained by convection Newton's Third Law the Doppler effect momentum - CORRECT ANSWER the Doppler effect A concave lens is also known as a focal point converging lens convex lens diverging lens - CORRECT ANSWER diverging lens The smallest particle of covalent compound that can exist in a free state and still retain the characteristics of that compound is an proton quark atom molecule - CORRECT ANSWER molecule Which of the following is most responsible for oceanic tides? the orbit of the earth around its own axis the magnetic polarity of the earth the orbit of the moon around the earth the orbit of the earth around the sun - CORRECT ANSWER the orbit of the moon around the earth In the periodic table of elements, the elements in a column are referred to as a period group configuration unit - CORRECT ANSWER group In a chemical change the molecules that enter the reaction are called reactants products compound elements - CORRECT ANSWER reactants Which of these undergo metamorphosis? butterfly bacteria snake chicken - CORRECT ANSWER butterfly When a lobster grows a claw to replace one that was lost, the process is called? - CORRECT ANSWER regeneration What is the best explanation of how a smooth round stone became smooth? Continuous freezing and thawing Volcanic Action It fell off the side of a cliff It was in a stream for a long time - CORRECT ANSWER It was in a stream for a long time Which of the following enables the pen to work? Hydraulic force Capillary action Centrifugal force Vacuum pressure - CORRECT ANSWER Capillary action The term "meiosis" is usually associated with? Digestion Respiration Reproduction Photosynthesis - CORRECT ANSWER Reproduction By definition, an aquifer is A layer of sedimentary rock formed by water deposits An ocean floor consisting of unconsolidated sediments and muds River bottom made of gravel and sedimentary rock Permeable rock that contains or carries water - CORRECT ANSWER River bottom made of gravel and sedimentary rock Which of the following reproduce by spawning Butterflies Birds Bats Fish - CORRECT ANSWER Fish Which of the following is the best illustration of centripetal force Ice skater spinning on the ice Skier zigzagging down a slope Bicycle rider coasting down the street - CORRECT ANSWER Ice skater spinning on the ice According to their locations on the Periodic Table, argon (Ar) and neon (Ne) are ionic radioactive liquid metals noble gases - CORRECT ANSWER noble gases To test the effectiveness of plant fertilizer, groups of plants are grown with different types of fertilizer. A control group of plants would not be given any fertilizer be grown with a mixture of all fertilizers not be needed unless the results were unclear be grown in a different location from the other groups - CORRECT ANSWER not be given any fertilizer In a balanced aquatic ecosystem, which of the following would have the greatest population? fish crabs sharks plankton - CORRECT ANSWER plankton Using the list, which of the following presents the stages of the water cycle in the correct order? 1. water vapor cools 2. precipitation occurs 3. evaporation occurs 4. condensation occurs 5. sunlight heats pond water A. 1 = 4 = 2 = 5 = 3 B. 5 = 2 = 1 = 4 = 3 C. 1 = 3 = 2 = 4 = 5 D. 5 = 3 = 1 = 4 = 2 - CORRECT ANSWER D. 5 = 3 = 1 = 4 = 2 Water droplets forming on the inside of a car is - CORRECT ANSWER Condensation