ASVAB General Science Practice Test 2

Question 1

Which organelle is responsible for producing energy in the form of ATP through cellular respiration?

Accepted Answer

Mitochondria

Answer

Mitochondria carry out cellular respiration, converting glucose and oxygen into ATP, the cell's primary energy currency.

Question 2

What is the pH of a neutral solution at 25°C?

Accepted Answer

7

Answer

A neutral solution has equal concentrations of H⁺ and OH⁻ ions, corresponding to a pH of 7.

Question 3

Which type of wave requires a medium (such as air or water) to travel through?

Accepted Answer

Mechanical wave

Answer

Mechanical waves, such as sound waves, need a physical medium to propagate and cannot travel through a vacuum.

Question 4

What process do plants use to convert sunlight into chemical energy stored as glucose?

Accepted Answer

Photosynthesis

Answer

Photosynthesis uses sunlight, carbon dioxide, and water to produce glucose and oxygen in the chloroplasts of plant cells.

Question 5

An atom that gains or loses electrons becomes a(n):

Accepted Answer

Ion

Answer

When an atom gains or loses electrons, it acquires a net electric charge and is called an ion.

ASVAB - Armed Services Vocational Aptitude Battery Practice Test