ASVAB ASVAB Certifications ASVAB-SECTION-7 Questions & Answers

• Question 71:

  What does an anemometer measure?

  A. temperature

  B. wind speed

  C. humidity

  D. air pressure

  Correct Answer: B

  Explanation:

  An anemometer is a device for measuring wind speed.

  Humidity is measured by a hygrometer.

  Atmospheric or air pressure is measured by a barometer.

  Temperature is measured by a thermometer.

• Question 72:

  Ten thousand centimeters equals __________ kilometers.

  A. 0.001

  B. 0.01

  C. 0.1

  D. 1

  Correct Answer: C

  Explanation:

  One hundred centimeters equals one meter. 1,000 meters equal one kilometer, so ten thousand

  centimeters equals one-tenth of a kilometer or 0.1 kilometers.

• Question 73:

  What is the latitude of any point on earth's equator?

  A. 0

  B. 90

  C. 180

  D. 270

  Correct Answer: A

  Explanation:

  All points on the equator have a latitude of 0 degrees.

  The North Pole has a latitude of 90 degrees North.

  The South Pole has a latitude of 90 degrees South.

• Question 74:

  Which of the following is an organic compound?

  A. salt (NaCl)

  B. glucose (C6H12O6)

  C. potassium (K)

  D. water (H2O)

  Correct Answer: B

  Explanation:

  All organic compounds contain carbon (C). Potassium (K) is only a single element, and it does not contain

  carbon.

• Question 75:

  Heparin is an anticoagulant.

  What is the primary purpose of drugs like Heparin?

  A. to cause nausea

  B. to prevent the heart from stopping

  C. to cause drowsiness

  D. to prevent the blood from clotting

  Correct Answer: D

  Explanation:

  An anticoagulant is a substance that stops blood from clotting.

• Question 76:

  Which of the following symbols represents one of the elements present in NaCl?

  A. C

  B. Na

  C. NH

  D. N

  Correct Answer: B

  Explanation:

  The elements that make up NaCl are sodium (Na) and chlorine (Cl).

  C is the symbol for carbon, which is not present at all.

  N is the symbol for nitrogen.

  NH is a compound including more than one element.

• Question 77:

  Which of the following plants lacks a vascular system?

  A. fern

  B. peanut plant

  C. liverworts

  D. oak tree

  Correct Answer: C

  Explanation:

  Liverworts are bryophytes, which are characterized by their lack of a vascular system.

• Question 78:

  Which of the following structures has DNA?

  A. a double helix

  B. a helix

  C. a parabola

  D. a hexagon

  Correct Answer: A

  Explanation:

  The Watson-Crick model of DNA is a double-stranded twisted ladder, or double helix.

• Question 79:

  On the pH scale, any substance below what number is considered acid?

  A. 0

  B. 5

  C. 7

  D. 15

  Correct Answer: C

  Explanation:

  The pH scale ranges from 0 to 14, with 0 being acidic and 14 being alkaline (or basic). A pH of 7 is

  considered neutral. Anything below 7, then, is acidic.

• Question 80:

  How many different elements are present in glucose, C6H12O6?

  A. 1

  B. 3

  C. 5

  D. 7

  Correct Answer: B

  Explanation: C6H12O6 contains 3 elements: carbon, hydrogen, and oxygen.