Science Test Set 4

Last Updated on May 15, 2024.

This practice test is not related to the GED Ready – The Official Practice Test, produced and distributed by GED Testing Service LLC.

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1. What is the body's first line of defense against infection by foreign organisms?
A.
B.
C.
D.

Question 1 of 10

2. A producer uses energy from the Sun to make food. Which of these is NOT a producer?
A.
B.
C.
D.

Question 2 of 10

3.

You purchase a new pot that includes both stainless steel and aluminum. Chef John says the aluminum was added to fortify the soft consistency of the stainless steel. Chef Peter says the aluminum was added to improve heat conduction. Who is correct?

A.
B.
C.
D.

Question 3 of 10

4. What is produced during photosynthesis?
A.
B.
C.
D.

Question 4 of 10

5. According to fossil records, the horses that lived 50 million years ago were much smaller, weaker and slower than modern horses. Which process is most likely responsible for the changes that have led to the increased size, strength, and speed in horses?
A.
B.
C.
D.

Question 5 of 10

6. After the initial infection, B-cells recognize the measles virus. How is this helpful in the human immune response?
A.
B.
C.
D.

Question 6 of 10

7. What is the term for a strong response to a harmless antigen in the environment?
A.
B.
C.
D.

Question 7 of 10

8. Which of the following describes a way that a person's health can be affected by heredity?
A.
B.
C.
D.

Question 8 of 10

9. Hitchhiker's thumb (H) is dominant to no hitchhiker's thumb (h). A woman who does not have a hitchhiker's thumb marries a man who is heterozygous for a hitchhiker's thumb.
What is the probable genotypic ratio of their children?
A.
B.
C.
D.

Question 9 of 10

10. Which of the following is a limiting factor in a population of organisms?
A.
B.
C.
D.

Question 10 of 10


 

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