ASVAB SCIENCE EXAM QUESTIONS

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ASVAB SCIENCE EXAM QUESTIONS

Actual Qs and Ans - Expert-Verified Explanation -Guaranteed passing score -55 Questions and Answers

-Format: Multiple-choice / Flashcard

Question 1: D

Answer:

The end product of protein digestion consists of (A) Glucose (B) Fatty acids (C) Glycerol (D) Amino acids

Question 2: D

Answer:

An amphibian can best be described as (A) A smooth-skinned vertebrate mammal that can live in water or on land (B) An oviparian capable of living in wetlands or in the desert (C) A cold-blooded invertebrate that can live both on land and in water (D) A cold-blooded, smooth-skinned vertebrate capable of living both on land and in water

Question 3: D

Answer:

The most accurate description of the earth's atmosphere is that it is comprised of (A) 78% oxygen, 19% nitrogen, and 2% carbon dioxide with traces of nitrogen, water vapor, and dust particles (B) 3% water vapor, 78% ozone, and 20% nitrogen (C) 20% oxygen, 77% hydrogen, 3% carbon dioxide, and some water vapor (D) 21% oxygen, 78% nitrogen, .03% carbon dioxide, trace amounts of rare gases, water vapor, and some dust particles

Question 4: C

Answer:

A vibrating tuning fork, placed in a vacuum under a bell jar, will (A) Have the pitch of its sound raised (B) Have the pitch of its sound lowered (C) Be inaudible (D) Crack the thin glass of the bell jar

Question 5: C

Answer:

The ocean current that extends from Florida across the Atlantic Ocean to Europe is (A) El Nino (B) the Japan Current (C) the Gulf Stream (D) the Southwest countercurrent

Question 6: D

Answer:

What is the smallest part of matter that retains the chemical properties characteristic of a particular element?(A) Isotope (B) Molecule (C) Electron (D) Atom

Question 7: B

Answer:

The basic unit of heat is the calorie, which is the amount of heat needed to (A) Raise the temperature of 1 ounce of water 1 degree Fahrenheit (B) Raise the temperature of 1 gram of water 1 degree Celsius (C) Change the temperature of 1 kilo of water 1 degree Kelvin (D) Lower the temperature of 1 quart of water 1 degree Celsius

Question 8: C

Answer:

The temperature of the atmosphere falls during the nighttime hours because (A) The side of the earth not facing the sun loses heat by convection (B) The side of the earth facing the sun loses heat by evaporation (C) The side of the earth not facing the sun loses heat by radiation (D) People set their thermostats lower when they go to bed

Question 9: D

Answer:

The DNA of a cell is found mainly in its (A) Membrane (B) Cytoplasm (C) Vacuoles (D) Chromosomes

Question 10: C

Answer:

Blood circulation from the lungs goes directly to the (A) Legs (B) Head (C) Heart (D) Digestive system

Question 11: B

Answer:

The particle with a ___ charge in the nucleus of an atom is a(n) ___ (A) positive, electron (B) positive, proton (C) negative, neutron (D) neutral, positron

Question 12: A

Answer:

When atoms and molecules pass thermal energy by direct contrast, it is known as (A) Conduction (B) Convection (C) Insulation (D) Swapping paint

Question 13: B

Answer:

When a plant performs photosynthesis, it produces ___ as a by-product (A) Carbon dioxide (B) Oxygen (C) Water (D) Methane

Question 14: B

Answer:

The four forces that act on an aircraft in flight are (A) lift, thrust, friction, and inertia (B) lift, gravity, thrust, and drag (C) thrust, vector, speed, and fluid density (D) lift, downdraft, thrust, vector

Question 15: C

Answer:

The number of atoms in a molecule of CuSO4 5H2O is

(A) 15

(B) 18

(C) 21

(D) 29

Question 16: C

Answer:

Which of the following is not usually a gas at room temperature?(A) Oxygen (B) Fluorine (C) Sulfur (D) Argon

Question 17: B

Answer:

The number of protons in an atom's nucleus determines its (A) Half-life (B) Atomic number (C) Orbital shell diameter(s) (D) Magnetic resonance

Question 18: A

Answer:

A magnifying glass is what kind of lens used on objects how far away?(A) Convex lens used closer than one focal length (B) Concave lens used closer than one focal length (C) Convex lens used beyond one focal length (D) Concave lens used beyond one focal length