ASVAB Study Guide-2019-2020-2021-2022. Questions with accurate answers. Rated A+

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Bone is composed primarily of which inorganic material? a. calcium b. phosphorus c. collagen d. potassium - ✔✔Calcium Calcium is the most abundant mineral found in bones, as well as in th ... e entire body. Which of these is a biome? a. desert b. cornfield c. hear of bison d. beehive - ✔✔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 - ✔✔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 - ✔✔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 b. mushroom c. tulip d. all of the above - ✔✔All of the above Plant, animal, and fungi cells have mitochondria. Isotopes of an element will have the same number of _______ and different numbers of ________? a. electrons; neutrons b. neutrons; electrons c. protons; neutrons d. protons; electrons - ✔✔Protons; neutrons Isotopes are atoms of the same element with the same number of protons but different numbers of neutrons. What condition can be diagnosed by an electrocardiogram (EKG)? a. diabetes b. torn ligaments c. cancer d. tachycardia - ✔✔Tachycardia Tachycardia is an abnormally fast heart rate, and electrocardiogram shows the electrical activity of the heart. What are the negatively charged particles inside an atom? a. protons b. neutrons c. electrons d. ions - ✔✔Electrons Electrons are negatively charged particles in an atom; electrons orbit the nucleus. Which organism regulates its body temperature externally? a. lobster b. dolphin c. whale d. pelican - ✔✔Lobster The metabolic rate of crustaceans is too low to regulate their temperature. Crustaceans use behavioral techniques, such as moving to shallow water, to maintain body temperature. A box sliding down a ramp experiences all of the following forces EXCEPT? a. tension b. friction c. gravity d. normal - ✔✔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 - ✔✔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 - ✔✔8 Bases have a pH between 7 and 14. Which body system is responsible for the release of growth hormones? a. digestive system [Show More]

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