Asvab General Science 3

1. The moon completes a revolution around Earth approximately every. (A) 28 days. (B) 365 days. (C) 24 hours. (D) 7 days.

2. Carcinogens are chemicals that cause. (A) high blood pressure. (B) gene mutations. (C) blood clots. (D) diabetes.

3. A paramecium is. (A) a one-celled organism. (B) algae. (C) bacteria. (D) a many-celled organism.

4. What substance is essential for the function of the thyroid gland?. (A) potassium chloride. (B) hemoglobin. (C) calcium. (D) iodine.

5. The brainstem controls. (A) vision. (B) voluntary muscle movements. (C) your sense of balance. (D) some involuntary activities.

6. Which element is the most abundant one in the atmosphere?. (A) oxygen. (B) nitrogen. (C) helium. (D) hydrogen.

7. Minerals are necessary for. (A) respiration. (B) eliminating waste. (C) preventing night blindness. (D) metabolic function.

8. What’s the only metallic element found as a liquid at room temperature?. (A) bromine. (B) tellurium. (C) mercury. (D) silver.

9. Which of the following isn’t a type of telescope?. (A) reflecting. (B) convexing. (C) refracting. (D) catadioptric.

10. A dekagram. (A) is larger than a kilogram. (B) is smaller than a kilogram. (C) is the same as a kilogram. (D) doesn’t exist.

11. The aurora borealis can be seen only in the. (A) winter. (B) summer. (C) Southern Hemisphere. (D) Northern Hemisphere.

12. The three important properties of sound waves are. (A) wavelength, speed, and crest. (B) speed, frequency, and reflection. (C) wavelength, frequency, and vibration. (D) wavelength, frequency, and speed.

13. Between which two planets can most of the asteroids in the solar system be found?. (A) Mars and Jupiter. (B) Saturn and Jupiter. (C) Earth and Mars. (D) Mercury and Venus.

14. At room temperature, an element can be a. (A) gas. (B) liquid or gas. (C) gas or solid. (D) liquid, gas, or solid.

15. The elements hydrogen and helium comprise what percentage of almost all matter in the universe?. (A) 75%. (B) 82%. (C) 90%. (D) 98%.

16. Compounds are created when. (A) atoms of two or more like elements are combined. (B) atoms of two or more different elements are combined. (C) two or more molecules are combined. (D) a molecule decomposes.

17. What theory suggests the universe will come to an end when its ever-increasing rate of expansion causes all matter to fly apart?. (A) The Big Rip. (B) The Big Bang. (C) The Big Crunch. (D) The Big Easy.

18. A watt-hour measures. (A) the amount of work performed or generated. (B) the number of electrons moving past a specific point. (C) resistance. (D) voltage.

19. Which of the following planets, known as gas giants, has no rings?. (A) Neptune. (B) Jupiter. (C) Uranus. (D) They all have rings.

20. Gas particles move. (A) more slowly than liquid particles. (B) more slowly than solid particles. (C) more quickly than liquid particles. (D) at the same rate as all other particles.

21. Absolute zero is. (A) 0 degrees Fahrenheit. (B) 0 degrees Celsius. (C) –273 degrees Celsius. (D) –32 degrees Fahrenheit.

22. Radiology is employed when doing which of the following?. (A) using a Magnetic Resonance Imaging machine. (B) using a blood pressure cuff. (C) blood typing. (D) breathing.

23. Which of the following statements is not true?. (A) The human female chin is usually more rounded or pointed than the human male chin. (B) The human female pelvis is usually narrower than the human male pelvis. (C) The human male skull is usually larger than the human female skull. (D) The human male skull has a larger brow ridge than the human female skull.

24. A lunar eclipse occurs when. (A) Earth moves into the moon’s shadow. (B) the sun blocks the moon from view. (C) Earth moves into the sun’s shadow. (D) the moon moves into Earth’s shadow.

25. What chemical can be used to detect blood, even if it’s been wiped from a surface?. (A) luminol. (B) cyanide. (C) ninhydrin. (D) alcohol.