REAL ASVAB EXAM REAL EXAM QUESTIONS |MOST TESTED
QUESTIONAND CORRECT ANSWERS |100% ACCURATE
A square has how many sides?
A. 3
B. 5
C. 4 ✅
Rationale: A square is a four-sided polygon.
How much is 2 plus 2?
A. 3
B. 4 ✅
C. 5
D. 22
Rationale: 2 + 2 = 4.
A rose is a what?
A. Tree
B. Flower ✅
C. Mineral
D. Animal
Rationale: Roses are flowering plants.
What is the best explanation for how a smooth round stone became smooth?
A. It was cut by a machine
B. It was in a stream for a long time ✅
C. It was melted and reshaped
D. It formed that way underground
Rationale: Water and abrasion in streams smooth stones over time.
Placing bean seeds between moist paper towel and watching stems/leaves appear
demonstrates:
A. Pollination
B. Germination ✅
C. Photosynthesis
D. Fermentation
Rationale: Germination is the process of a seed sprouting.
Any astronomical body that revolves around a larger body is called a:
A. Planet
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B. Satellite ✅
C. Meteor
D. Comet
Rationale: A satellite orbits a larger body (natural or artificial).
In chemistry, to be classified as organic, a substance must contain:
A. Oxygen atoms
B. Carbon atoms ✅
C. Sodium atoms
D. Noble gases
Rationale: Organic chemistry is based on carbon-containing compounds.
What element does not contain any neutrons in its most common isotope?
A. Helium
B. Hydrogen ✅
C. Carbon
D. Oxygen
Rationale: Protium (^1H) has one proton and no neutrons.
What is the symbol for hydroxyl ion?
A. H+
B. OH⁻ ✅
C. HO2
D. O2⁻
Rationale: Hydroxide or hydroxyl ion is OH⁻.
A perpetual–motion machine can never be built because it is impossible to eliminate what?
A. Friction and energy loss
B. Momentum
C. Entropy (energy dissipation / losses) ✅
D. Mass
Rationale: Laws of thermodynamics (entropy, energy losses) prevent perpetual motion.
The chemical formula of a compound describes the elements present and the:
A. Mass of each element
B. Ratio of elements in the compound ✅
C. Volume of the compound
D. Color of the compound
Rationale: Formulas indicate the number ratio of atoms.
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When scientists measure a liquid’s resistance to flow, they measure the liquid’s:
A. Density
B. Viscosity ✅
C. Specific heat
D. Surface tension
Rationale: Viscosity quantifies internal resistance to flow.
The tympanic membranes are also known as the:
A. Cochleas
B. Ossicles
C. Eardrums ✅
D. Vestibules
Rationale: Tympanic membrane = eardrum.
When sodium atoms form sodium ions they:
A. Gain protons
B. Lose electrons ✅
C. Gain neutrons
D. Split into smaller atoms
Rationale: Na → Na⁺ by losing one electron.
Choking is prevented by the:
A. Trachea covering the esophagus
B. Epiglottis covering the voice box (larynx) ✅
C. Uvula blocking the nose
D. Soft palate closing the mouth
Rationale: Epiglottis closes over larynx during swallowing.
Which of these actions produces a chemical change?
A. Mixing water and food coloring
B. Burning wood ✅
C. Dissolving salt in water
D. Cutting paper
Rationale: Burning produces new substances — chemical change.
Which of the following is a nonrenewable resource?
A. Solar energy
B. Copper (mineral ore) ✅
C. Timber from managed forests