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ASVAB Study Guide ( 2025 ) Exam
With 100% Detailed & Verified
Questions with 100% Correct
Answers| Graded A+
Bone is composed primarily of which inorganic material? a. calcium b. phosphorus c. collagen d. potassium - Correct answer-Calcium Calcium is the most abundant mineral found in bones, as well as in the entire body. Which of these is a biome? a. desert b. cornfield c. hear of bison d. beehive - Correct answer-Desert A biome is a large ecological community that includes specific plants and animals, such as a desert. Which planet orbits closest to Earth? a. Mercury b. Venus c. Jupiter d. Saturn - Correct answer-Venus Venus's orbit is closest to Earth. Venus is the second planet from the sun, and Earth is the third planet from the sun. What is the name of the phenomenon when a star suddenly increases in brightness and then disappears from view? a. aurora b. galaxy c. black hole d. supernova - Correct answer-Supernova Before a star collapses, the star burns brighter for a period of time and then fades before view. This is a supernova.
Which organism has cells that contain mitochondria? a. whale
A box sliding down a ramp experiences all of the following forces EXCEPT? a. tension b. friction c. gravity d. normal - Correct answer-Tension Tension is the force that results from objects being pulled or hung. Which organism is a decomposer? a. apple trees b. mushrooms c. goats d. lions - Correct answer-Mushrooms Mushrooms are fungi. Fungi break down organic material left by dead animals and plants making them decomposers Which pH level is classified as a base? a. 1 b. 4 c. 6 d. 8 - Correct answer- 8 Bases have a pH between 7 and 14. Which body system is responsible for the release of growth hormones? a. digestive system b. endocrine system c. nervous system d. circulatory system - Correct answer-Endocrine system The endocrine system releases hormones, including growth hormone. What is the term for the top layer of the earth's surface? a. exosphere b. lithosphere c. atmosphere d. biosphere - Correct answer-Lithosphere The lithosphere is the top layer of the earth's surface.
Which of the following describes a physical change? a. water becomes ice b. batter is baked into a cake c. an iron fence rusts d. a firecracker explodes - Correct answer-Water becomes ice When water changes form, it does not change the chemical composition of the substance. Once water becomes ice, the ice can easily turn back into water. Which energy source is nonrenewable? a. water b. wind c. coal d. sunlight - Correct answer-Coal Coal is nonrenewable because once coal is burned, it cannot be quickly replaced. How long does it take the earth to rotate on its axis? a. one hour b. one day c. one month d. one year - Correct answer-One day Earth takes approximately twenty-four hours to rotate on its axis. During what process do producers make sugars and release oxygen? a. digestion b. chloroplast c. decomposition d. photosynthesis - Correct answer-Photosynthesis Photosynthesis describes the process by which plants convert the energy of the sun into stored chemical energy (glucose). 2C6H14+19O2->12CO2+14H2O a. substitution reaction b. acid-base reaction c. decomposition reaction d. combustion reaction - Correct answer-Combustion reaction
Which of the following correctly describes a strong acid? a. A strong acid completely ionizes in water b. A strong acid donates more than one proton c. A strong acid has a pH close to 7 d. A strong acid will not ionize - Correct answer-A strong acid completely ionizes in water Strong acids break apart into their constituent ions immediately when placed in water. Which action is an example of mechanical weathering? a. Calcium carbonate reacts with water to form a cave b. An iron gate rusts c. Tree roots grow under the foundation of a house cause cracks d. Bananas turn brown after they are peeled - Correct answer-Tree roots grown under the foundation of a house cause cracks Mechanical weathering involves breaking a substance down without changing the composition of the substance. A high school cross country team sent 25% of its runners to a regional competition. Of these, 10% won medals. If 2 runners earned medals, how many members does the cross country team have? a. 8 b. 10 c. 80 d. 125 - Correct answer- Convert 55 meters to feet (round to the nearest tenth of a foot) a. 16.8 feet b. 21.7 feet c. 139.7 feet d. 180.4 feet - Correct answer- If a person reads 40 pages in 45 minutes, approximately how many minutes will it take her to read 265 pages? a. 202 b. 236 c. 265 d. 298 - Correct answer-
If three burgers and two orders of fries cost $26.50 and a burger costs $6.50, how much does one order of fries cost? a. $1. b. $3. c. $6. d. $7.00 - Correct answer- A work was paid $15,036 for 7 months of work. If he received the same amount each month, how much was he paid for the first 2 months? a. $2, b. $4, c. $5, d. $6,444 - Correct answer- The average speed of cars on a highway (s) is inversely proportional to the number of cars on the road (n). If a car drives at 65 mph when there are 250 cars on the road, how fast will a car drive when there are 325 cars on the road? a. 50 mph b. 55 mph c. 60 mph d. 85 mph - Correct answer- The probability of drawing a blue marble from a bag of marbles is 1/20 and the probability of drawing a red marble from the same bag is 7/20. What is the probability of drawing a blue marble or a red marble? - Correct answer- The population of a town was 7,250 in 2014 and 7,375 in 2015. What was the percent increase from 2014 to 2015 to the nearest tenth of a percent? a. 1.5% b. 1.6% c. 1.7% d. 1.8% - Correct answer- Lynn has 4 test scores in science class. Each test is worth 100 points, and Lynn has an 85% average. If Lynn scored 100% on each of the first 3 tests, what did she score on her 4th test? a. 40% b. 55% c. 60% d. 85% - Correct answer-
