ASVAB General Science Practice Test

By andrea172 | Updated: Aug. 29, 2024, 7:35 a.m.

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Taking the ASVAB? Try our ASVAB General Science Practice Test and see how you score! Need more help? Check out the link at the end of the video for more free practice questions and explanations.

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general science practice questions
union test prep's 
For the ASVAB Exam
Question 1:
Which of these macronutrients is necessary for cellular growth, transport, and repair?
A
Carbohydrates
b
proteins
c
lipids
d
fiber
Question 1:
b
proteins
Cellular growth, transport, and repair requires amino acids, and some of them are obtained only through the ingestion of proteins that are broken down during digestion. Carbohydrates are primarily a form of accessible energy, while lipids are used for energy storage and as precursors for the biosynthesis of molecules like hormones. Fiber is the portion of nutrients that can’t be digested but serves an important function to facilitate the movement of food through the digestive system.
Which of these macronutrients is necessary for cellular growth, transport, and repair?
Question 1:
b
proteins
Cellular growth, transport, and repair requires amino acids, and some of them are obtained only through the ingestion of proteins that are broken down during digestion. Carbohydrates are primarily a form of accessible energy, while lipids are used for energy storage and as precursors for the biosynthesis of molecules like hormones. Fiber is the portion of nutrients that can’t be digested but serves an important function to facilitate the movement of food through the digestive system.
Which of these macronutrients is necessary for cellular growth, transport, and repair?
Question 2:
Which of these is responsible for the removal of waste from the bloodstream?
A
circulatory system
b
digestive system
c
excretory system
d
nervous system
Question 2:
c
excretory system
The blood is filtered when it passes through the kidneys, which are part of the excretory system. The waste is then removed in the urine. The circulatory system is responsible for transporting blood throughout the body; the digestive system for obtaining nutrients from food, and the nervous system for controlling the communication between the cells in our bodies.
Which of these is responsible for the removal of waste from the bloodstream?
Question 2:
c
excretory system
The blood is filtered when it passes through the kidneys, which are part of the excretory system. The waste is then removed in the urine. The circulatory system is responsible for transporting blood throughout the body; the digestive system for obtaining nutrients from food, and the nervous system for controlling the communication between the cells in our bodies.
Which of these is responsible for the removal of waste from the bloodstream?
Question 3:
The expression of the ____ is called the ____.
A
traits, phenotype
b
phenotype, genotype
c
dna, genotype
d
genotype, phenotype
Question 3:
d
genotype, phenotype
The genetic information stored in the DNA that is inherited from the parents is the genotype. The observable physical expression of the genetic information in the form of traits such as height, eye color, or body type is the phenotype.
The expression of the ____ is called the ____.
Question 4:
____ are not present in animal cells.
A
chloroplasts
b
vacuoles
c
ribosomes
d
lysosomes
Question 4:
a
chloroplasts
Chloroplasts are present in plant and algae cells and are the organelles responsible for the process of photosynthesis. Both plant and animal cells have vacuoles (for storage purposes) and ribosomes (for translating RNA into proteins). Lysosomes are found almost exclusively in animal cells and are responsible for degrading large molecules.
____ are not present in animal cells.
Question 5:
If there’s a food chain formed by grass-buffalo-lion, what happens if the lions disappear?
A
The grass population increases, and the buffalo population increases.
b
The grass population decreases, and the buffalo population decreases.
Question 5:
If there’s a food chain formed by grass-buffalo-lion, what happens if the lions disappear?
A
The grass population increases, and the buffalo population increases.
b
The grass population decreases, and the buffalo population decreases.
c
The grass population decreases, and the buffalo population increases.
d
The grass population remains the same, and the buffalo population increases.
Question 5:
c
The grass population decreases, and the buffalo population increases.
The top predator of this ecosystem is the lion. When the top predator is removed from a food chain, a phenomenon known as a trophic cascade occurs. In this case, the consequences of the trophic cascade would be that the buffalo population will boom as they will not have a direct predator, and the grass population will decrease because of the rising number of buffaloes.
If there’s a food chain formed by grass-buffalo-lion, what happens if the lions disappear?
Question 5:
c
The grass population decreases, and the buffalo population increases.
The top predator of this ecosystem is the lion. When the top predator is removed from a food chain, a phenomenon known as a trophic cascade occurs. In this case, the consequences of the trophic cascade would be that the buffalo population will boom as they will not have a direct predator, and the grass population will decrease because of the rising number of buffaloes.
If there’s a food chain formed by grass-buffalo-lion, what happens if the lions disappear?
For free practice tests, study guides & flashcards:
https://uniontestprep.com/asvab

ASVAB General Science Practice Test

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