ASVAB General Science 4 ā Questions and Answers
Question 1: What is the chemical symbol for gold?
- Gd
- Go
- Au (Correct answer)
- Ag
Correct answer: Au
Gold's symbol Au comes from 'aurum,' the Latin word for gold.
Question 2: Which layer of the atmosphere contains the ozone layer?
- Troposphere
- Stratosphere (Correct answer)
- Mesosphere
- Thermosphere
Correct answer: Stratosphere
The ozone layer sits within the stratosphere (roughly 15ā35 km altitude), absorbing harmful UV radiation.
Question 3: In which phase of cell division do chromosomes align along the cell's equator?
- Prophase
- Metaphase (Correct answer)
- Anaphase
- Telophase
Correct answer: Metaphase
During metaphase, chromosomes align along the metaphase plate (cell equator) before being pulled apart.
Question 4: What type of bond involves the sharing of electrons between atoms?
- Ionic bond
- Covalent bond (Correct answer)
- Hydrogen bond
- Metallic bond
Correct answer: Covalent bond
A covalent bond forms when two atoms share one or more pairs of electrons.
Question 5: Which gas makes up approximately 78% of Earth's atmosphere?
- Oxygen
- Carbon dioxide
- Argon
- Nitrogen (Correct answer)
Correct answer: Nitrogen
Nitrogen (Nā) comprises about 78% of Earth's atmosphere, with oxygen making up most of the remainder.
Question 6: What is Newton's Second Law of Motion?
- Every action has an equal and opposite reaction
- An object in motion stays in motion unless acted upon
- Force equals mass times acceleration (Correct answer)
- Objects fall at the same rate regardless of mass
Correct answer: Force equals mass times acceleration
Newton's Second Law states F = ma: force equals mass multiplied by acceleration.
Question 7: Which blood type is known as the 'universal donor' for red blood cells?
- Type A
- Type B
- Type AB
- Type O negative (Correct answer)
Correct answer: Type O negative
Type O negative lacks A, B, and Rh antigens, so it can be transfused to patients of any blood type in emergencies.
What is the chemical symbol for gold?