Test Prep Section Three : Science GED Section 3: Science Dumps in PDF

Free Test Prep GED Section 3: Science Real Questions (page: 8)

Making bread involves a chemical reaction. A chemical reaction involves starting materials (the reactants) and the substances produced (the products).
Which material is a product of this chemical reaction?

  1. yeast
  2. sugar
  3. carbon dioxide
  4. water
  5. starch

Answer(s): C



Adults generally breathe in and out 12 to 20 times per minute. People sitting down breathe more slowly than those standing up. The older adults become, the more slowly they breathe. Children breathe twice as fast as adults. Women generally breathe faster than men.
Which of the following persons would most likely breathe the slowest?

  1. a 10-year-old girl standing up
  2. a 15-year-old boy sitting down
  3. a 15-year-old girl sitting down
  4. a 50-year-old man sitting down
  5. a 50-year-old woman standing up

Answer(s): D



When single cells reproduce, 1 cell produces 2 cells. These 2 cells produce 4 cells. These 4 cells produce 8 cells, and so on. This growth results in an increase in the number of cells.
Which assumption must be made to understand why the cell number increases in this way?

  1. The number of cells is no more than 8.
  2. Cells must be observed under the microscope.
  3. The cells are too small to see with the naked eye.
  4. All the cells formed can divide.
  5. Mutations are occurring as the cells reproduce.

Answer(s): D



DDT is a toxic substance. The illustration below lists DDT levels in various organisms.
Which statement best explains why the amount of DDT is higher in the eagle than in the otherorganisms?
Exhibit:

  1. DDT is more poisonous to birds than to other living organisms.
  2. The DDT in the small bird passes directly to the eagle.
  3. The eagle has a diet of animals and plants.
  4. DDT becomes more concentrated as it passes through the food web.
  5. Mice are the only animals on which the eagles feed.

Answer(s): D



-- Exhibit --
Radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X rays, and gamma rays are forms of radiant energy that make up the electromagnetic spectrum. Each portion of the electromagnetic spectrum has waves that vary in frequency and wavelength, but all can be used by people. Radio waves can be used to carry music and voices for great distances through air, X rays can be used for diagnostic work in medicine, and infrared radiation can be used for heating and drying.

-- Exhibit --
Most genetic damage is caused by very short wavelengths of the electromagnetic spectrum.
Which of the following statements would support this statement?

  1. Gamma rays penetrate very deeply and are highly energetic.
  2. Ultraviolet rays are stopped by the skin.
  3. Short wavelengths may be photographed.
  4. Infrared light is used in night photography.
  5. Microwaves may be used to carry telephone conversations.

Answer(s): A



Share your comments for Test Prep GED Section 3: Science exam with other users:

R
Rian
3/19/2026 9:12:10 AM

This is very good and accurate. Explanation is very helpful even thou some are not 100% right but good enough to pass.

G
Gerrard
3/18/2026 6:58:37 AM

The DP-900 exam can be tricky if you aren't familiar with Microsoft’s specific cloud terminology. I used the practice questions from free-braindumps.com and found them incredibly helpful. The site breaks down core data concepts and Azure services in a way that actually mirrors the real test. As a resutl I passed my exam.

V
Vineet Kumar
3/6/2026 5:26:16 AM

interesting

J
Joe
1/20/2026 8:25:24 AM

Passed this exam 2 days ago. These questions are in the exam. You are safe to use them.

N
NJ
12/24/2025 10:39:07 AM

Helpful to test your preparedness before giving exam

A
Ashwini
12/17/2025 8:24:45 AM

Really helped

J
Jagadesh
12/16/2025 9:57:10 AM

Good explanation

S
shobha
11/29/2025 2:19:59 AM

very helpful

P
Pandithurai
11/12/2025 12:16:21 PM

Question 1, Ans is - Developer,Standard,Professional Direct and Premier

E
Einstein
11/8/2025 4:13:37 AM

Passed this exam in first appointment. Great resource and valid exam dump.

D
David
10/31/2025 4:06:16 PM

Today I wrote this exam and passed, i totally relay on this practice exam. The questions were very tough, these questions are valid and I encounter the same.

T
Thor
10/21/2025 5:16:29 AM

Anyone used this dump recently?

V
Vladimir
9/25/2025 9:11:14 AM

173 question is A not D

K
khaos
9/21/2025 7:07:26 AM

nice questions

K
Katiso Lehasa
9/15/2025 11:21:52 PM

Thanks for the practice questions they helped me a lot.

E
Einstein
9/2/2025 7:42:00 PM

Passed this exam today. All questions are valid and this is not something you can find in ChatGPT.

V
vito
8/22/2025 4:16:51 AM

i need to pass exam for VMware 2V0-11.25

M
Matt
7/31/2025 11:44:40 PM

Great questions.

O
OLERATO
7/1/2025 5:44:14 AM

great dumps to practice for the exam

A
Adekunle willaims
6/9/2025 7:37:29 AM

How reliable and relevant are these questions?? also i can see the last update here was January and definitely new questions would have emerged.

A
Alex
5/24/2025 12:54:15 AM

Can I trust to this source?

S
SPriyak
3/17/2025 11:08:37 AM

can you please provide the CBDA latest test preparation

C
Chandra
11/28/2024 7:17:38 AM

This is the best and only way of passing this exam as it is extremely hard. Good questions and valid dump.

S
Sunak
1/25/2025 9:17:57 AM

Can I use this dumps when I am taking the exam? I mean does somebody look what tabs or windows I have opened ?

F
Frank
2/15/2024 11:36:57 AM

Finally got a change to write this exam and pass it! Valid and accurate!

A
Anonymous User
2/2/2024 6:42:12 PM

Upload this exam please!

N
Nicholas
2/2/2024 6:17:08 PM

Thank you for providing these questions. It helped me a lot with passing my exam.

T
Timi
8/19/2023 5:30:00 PM

my first attempt

B
Blessious Phiri
8/13/2023 10:32:00 AM

very explainable

M
m7md ibrahim
5/26/2023 6:21:00 PM

i think answer of q 462 is variance analysis

T
Tehu
5/25/2023 12:25:00 PM

hi i need see questions

A
Ashfaq Nasir
1/17/2024 1:19:00 AM

best study material for exam

R
Roberto
11/27/2023 12:33:00 AM

very interesting repository

N
Nale
9/18/2023 1:51:00 PM

american history 1

AI Tutor 👋 I’m here to help!