Free ASVAB-SECTION-7 Exam Dumps Preview

Question 1

Single choice

The particle with a __________ charge in the nucleus of an atom is a(n) __________.

1. A

   positive, electron

2. B

   positive, proton

3. C

   negative, neutron

4. D

   neutral, positron

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Correct answerB

Explanation

Explanation:
The particle with a positive charge in the nucleus of an atom is a proton.
The nucleus of an atom contains protons, (which have a positive electrical charge) and neutrons, (which
have no electrical charge).
Electrons, which have a negative charge, circle the nucleus in what is known as the orbital shell.

Question 2

Single choice

Most cells without a cell wall also lack __________.

1. A

   mitochondria

2. B

   chloroplasts

3. C

   cell membranes

4. D

   vacuoles

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Correct answerB

Explanation

Explanation:
The cell wall, mainly composed of cellulose, is an important characteristic of plant cells. Chloroplasts contain energy-accumulating pigments and are found only in plant cells.

Question 3

Single choice

Which organ is responsible for regulating blood sugar levels by secreting insulin and glucagon?

1. A

   gall bladder

2. B

   spleen

3. C

   liver

4. D

   pancreas

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Correct answerD

Question 4

Single choice

Which is considered the earliest stage of human development?

1. A

   blastocyst

2. B

   fetus

3. C

   zygote

4. D

   embryo

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Correct answerC

Question 5

Single choice

What are chloroplasts?

1. A

   Structures found in plant cells that assist in photo synthesis.

2. B

   Organelles found in plant cells that conduct photo synthesis.

3. C

   Substances found in primitive cyanobacteria.

4. D

   Substances found in green plants only after they blossom.

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Correct answerB

Explanation

Explanation:
Chloroplasts are organelles found, in plant cells that conduct photosynthesis.

Question 6

Single choice

Joints that hold bones firmly together are called __________.

1. A

   hinge joints

2. B

   ball and socket joints

3. C

   fixed joints

4. D

   pivot joints

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Correct answerC

Question 7

Single choice

Given that a kilogram is 2.2 pounds, what is the approximate weight of a person weighing 137 pounds expressed in kilograms?

1. A

   93 kg

2. B

   74 kg

3. C

   301 kg

4. D

   62 kg

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Correct answerD

Question 8

Single choice

In what year did the first woman travel in space?

1. A

   1963

2. B

   1969

3. C

   1974

4. D

   1985

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Correct answerA

Question 9

Single choice

Compounds are created when __________.

1. A

   atoms of two or more like elements are combined

2. B

   atoms of two or more different elements are combined

3. C

   two or more compounds are combined

4. D

   a compound decomposes

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Correct answerB

Question 10

Single choice

A series of cell divisions that results in the formation of an embryo is called __________.

1. A

   mitosis

2. B

   meiosis

3. C

   osmosis

4. D

   cleavage

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Correct answerD

Question 11

Single choice

Which of the following cloud types occur at the lowest altitude?

1. A

   Cirrus

2. B

   Altocumulus

3. C

   Cirrocumulus

4. D

   Stratus

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Correct answerD

Explanation

Explanation:
Stratus clouds occur below 6,000 feet.

Question 12

Single choice

Which blood cells are responsible for delivering oxygen to the body?

1. A

   white blood cells

2. B

   red blood cells

3. C

   platelets

4. D

   thrombocytes

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Correct answerB

Question 13

Single choice

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

1. A

   0

2. B

   90

3. C

   180

4. D

   270

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Correct answerA

Explanation

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 14

Single choice

Which element has no neutrons?

1. A

   nitrogen

2. B

   hydrogen

3. C

   carbon

4. D

   helium

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Correct answerB

Question 15

Single choice

The top or broadest level of the classification system for living organisms is called __________.

1. A

   class

2. B

   phylum

3. C

   kingdom

4. D

   genus

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Correct answerC

Question 16

Single choice

A watt measures __________.

1. A

   how much electricity is consumed

2. B

   the number of electrons moving past a specific point

3. C

   resistance

4. D

   voltage

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Correct answerA

Question 17

Single choice

Ten thousand centimeters equals __________ kilometers.

1. A

   0.001

2. B

   0.01

3. C

   0.1

4. D

   1

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Correct answerC

Explanation

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 18

Single choice

The spinal cord is part of the __________.

1. A

   circulatory system

2. B

   nervous system

3. C

   respiratory system

4. D

   digestive system

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Correct answerB

Question 19

Single choice

The glucose content of the blood is regulated by __________.

1. A

   insulin and adrenaline

2. B

   nerve stimulation

3. C

   ACTH

4. D

   progesterone

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Correct answerA

Explanation

Explanation:
The relative concentration of glucose is maintained by the combined action of insulin from the pancreas and adrenaline from the adrenal medulla.

Question 20

Single choice

The cells that can easily be scraped from the lining of the mouth make up __________.

1. A

   connective tissue

2. B

   epithelial tissue

3. C

   supporting tissue

4. D

   voluntary tissue

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Correct answerB

Explanation

Epithelial cells form the skin and inner lining for organs.

Question 21

Single choice

At which temperature would water freeze if recorded on a Fahrenheit thermometer?

1. A

   32 degrees

2. B

   15 degrees

3. C

   0 degrees

4. D

   21 degrees

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Correct answerA

Question 22

Single choice

Which of the following plants lacks a vascular system?

1. A

   fern

2. B

   peanut plant

3. C

   liverworts

4. D

   oak tree

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Correct answerC

Explanation

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

Question 23

Single choice

The mass of 1 cubic meter of water is approximately __________.

1. A

   1 kilogram

2. B

   10 kilograms

3. C

   100 kilograms

4. D

   1,000 kilograms

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Correct answerD

Explanation

Explanation:
One meter equals 100 centimeters. Therefore, 1 cubic meter equals 1,000,000 cubic centimeters. Since each cubic centimeter has a mass of 1 gram, the approximate total mass is 1,000 kilograms.

Question 24

Single choice

A gaseous product of the fermentation of sugar is __________.

1. A

   carbon monoxide

2. B

   carbon dioxide

3. C

   sulfur dioxide

4. D

   oxygen

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Correct answerB

Explanation

Explanation:
The fermentation of sugar by yeast produces ethyl alcohol and carbon dioxide.

Question 25

Single choice

Minerals are necessary for __________.

1. A

   respiration

2. B

   eliminating waste

3. C

   preventing night blindness

4. D

   metabolic function

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Correct answerD

Question 26

Single choice

The process by which energy is provided at the cellular level is called __________.

1. A

   respiration

2. B

   recreation

3. C

   oxidation

4. D

   metabolism

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Correct answerD

Question 27

Single choice

What blood type is considered the universal recipient?

1. A

   B

2. B

   O

3. C

   AB

4. D

   A

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Correct answerC

Question 28

Single choice

Organisms that eat other organisms are called __________.

1. A

   prey

2. B

   plants

3. C

   predators

4. D

   insects

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Correct answerC

Question 29

Single choice

What's the only metallic element commonly found as a liquid?

1. A

   bromine

2. B

   tellurium

3. C

   mercury

4. D

   silver

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Correct answerC

Question 30

Single choice

Electrons are particles that are __________.

1. A

   positively charged

2. B

   neutral

3. C

   able to move freely

4. D

   negatively charged

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Correct answerD

Question 31

Single choice

What is the type of blood vessels called that carries blood from the other parts of the body to the heart?

1. A

   Capillaries

2. B

   Veins

3. C

   Arteries

4. D

   Aortas

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Correct answerB

Explanation

Explanation:
Veins.
Capillaries are the tiny blood vessels that form an intricate network throughout the body for the interchange of substances such as oxygen and carbon dioxide between blood and tissue cells.
Arteries are the blood vessels that carry blood from the heart to the various parts of the body, and the aorta is a part of the heart itself.

Question 32

Single choice

Which planet is closest to the sun?

1. A

   Venus

2. B

   Mercury

3. C

   Mars

4. D

   Neptune

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Correct answerB