ASVAB Diagnostic Test

Part 1: General Science (GS)

11 Minutes 25 Questions

  1. Directions: In this section, you will be tested on your knowledge of concepts in science generally reviewed in high school. For each question, select the best answer and mark the corresponding oval on your answer sheet.

  2. are necessary for the body’s maintenance, growth, and repair.
    1. Proteins
    2. Carbohydrates
    3. Fats
    4. Vitamins
  3. On a Fahrenheit thermometer, the boiling point of water at sea level is
    1. 100°
    2. 180°
    3. 212°
    4. 373°
  4. The process by which the body’s cells use oxygen and glucose to produce energy, while releasing carbon dioxide and water vapor as waste products, is known as
    1. decomposition
    2. photosynthesis
    3. oxidation
    4. respiration
  5. carry blood back to the heart from the capillaries.
    1. Arteries
    2. Veins
    3. Ventricles
    4. Red blood cells
  6. Which of the following is an example of a chemical process?
    1. Helium mixes with neon.
    2. Iron forms rust.
    3. Sugar dissolves in water.
    4. Ice melts.
  7. A universal donor is a person with which of the following blood types?
    1. O negative
    2. A positive
    3. AB positive
    4. B negative
  8. Blood enters the right atrium of the heart from the
    1. aorta
    2. left ventricle
    3. pulmonary vein
    4. vena cava
  9. Which of the following substances has the highest pH?
    1. ammonia
    2. battery acid
    3. isopropyl alcohol
    4. water
  10. Which of the following organs does the most work to break down food using enzymes?
    1. pancreas
    2. stomach
    3. small intestine
    4. large intestine
  11. Which of the following is NOT part of the female reproductive system?
    1. oviduct
    2. uterus
    3. ovary
    4. testes
  12. The most basic unit of inheritance is known as a
    1. phenotype
    2. genotype
    3. chromosome
    4. gene
  13. Which of the following is a sedimentary rock?
    1. granite
    2. marble
    3. shale
    4. slate
  14. A producer is also known as a(n)
    1. heterotroph
    2. saprotroph
    3. autotroph
    4. scavenger
  15. A vulture would be considered a
    1. producer
    2. decomposer
    3. scavenger
    4. parasite
  16. What type of rock is obsidian?
    1. sedimentary
    2. igneous
    3. metamorphic
    4. sandstone
  17. During a lunar eclipse
    1. the Moon lies between the Earth and Sun
    2. the Sun lies between the Moon and Earth
    3. the Earth lies between the Moon and Sun
    4. the Sun lies outside the Moon’s umbra
  18. A centimeter is
    1. one hundredth of a meter
    2. one tenth of a meter
    3. ten meters
    4. one hundred meters
  19. Momentum is
    1. the push or pull that forces an object to change its speed or direction
    2. the rate of change of velocity
    3. the rate at which an object changes position
    4. the tendency of an object to continue moving in the same direction
  20. Which color’s light waves have the highest frequency?
    1. yellow
    2. green
    3. red
    4. violet
  21. The major portion of an atom’s mass consists of
    1. neutrons and protons
    2. electrons and protons
    3. electrons and neutrons
    4. neutrons and positrons
  22. Which of the following is NOT an example of an arthropod?
    1. crab
    2. centipede
    3. sea urchin
    4. spider
  23. Table salt is considered a(n)
    1. ionic compound
    2. semi-ionic compound
    3. covalent compound
    4. element
  24. Over the course of 24 hours
    1. the Earth rotates 360° around the sun
    2. the Moon rotates 360° around the Earth
    3. the Earth rotates 360° about its axis
    4. the Moon rotates 360° about its axis
  25. Which of the following kingdoms is composed of prokaryotic life forms such as bacteria, and as such is considered the most primitive?
    1. Fungi
    2. Protista
    3. Monera
    4. Plantae
  26. Human beings belong to the phylum
    1. Animalia
    2. Chordata
    3. Mammalia
    4. Primata