PICAT/ASVAB TEST VERIFICATION Practice
Exam Actual Questions and Answers
(2026/2027 Edition)
Subtest 1: General Science (GS)
16 Questions covering Life Sciences, Physical Sciences, Earth/Space Science
Q1: Which of the following is the primary function of the mitochondria in a cell?
A. Protein synthesis
B. Cellular respiration and ATP production [CORRECT]
C. Storage of genetic material
D. Breakdown of waste materials
Correct Answer: B
Rationale: Mitochondria are known as the "powerhouses" of the cell because they
generate adenosine triphosphate (ATP) through cellular respiration. Protein synthesis
(A) occurs at ribosomes. Genetic material storage (C) is the function of the nucleus.
Waste breakdown (D) is performed by lysosomes.
Q2: In the periodic table, elements in Group 18 are characterized by which property?
A. High reactivity with water
B. Formation of colored compounds
C. Complete outer electron shells and chemical inertness [CORRECT]
,D. Metallic conductivity
Correct Answer: C
Rationale: Group 18 elements are the noble gases (He, Ne, Ar, Kr, Xe, Rn). They have
complete valence electron shells, making them chemically inert under standard
conditions. High reactivity with water (A) describes Group 1 alkali metals. Colored
compounds (B) are typical of transition metals. Metallic conductivity (D) is not
characteristic of these gaseous elements.
Q3: [Verification Style] A scientist observes that a certain plant grows taller when
exposed to more hours of sunlight, but only up to 16 hours per day, after which growth
plateaus. What type of relationship is described between sunlight exposure and plant
growth?
A. Directly proportional
B. Inversely proportional
C. Asymptotic or limiting factor relationship [CORRECT]
D. Exponentially decaying
Correct Answer: C
Rationale: The relationship demonstrates a limiting factor—growth increases with the
variable up to a point, then levels off (asymptotic behavior). Direct proportionality (A)
would imply continuous linear growth. Inverse proportionality (B) and exponential decay
(D) would show decreasing growth with increased sunlight.
Q4: Which layer of Earth's atmosphere contains the ozone layer that absorbs harmful
ultraviolet radiation?
A. Troposphere
B. Stratosphere [CORRECT]
,C. Mesosphere
D. Thermosphere
Correct Answer: B
Rationale: The ozone layer is located primarily in the lower stratosphere (approximately
10-50 km above Earth). The troposphere (A) is the lowest layer where weather occurs.
The mesosphere (C) and thermosphere (D) are above the stratosphere.
Q5: An object with a mass of 10 kg is accelerated at 5 m/s². What is the force acting on
the object according to Newton's Second Law?
A. 2 N
B. 15 N
C. 50 N [CORRECT]
D. 500 N
Correct Answer: C
Rationale: Newton's Second Law states F = ma (Force = mass × acceleration).
Calculation: 10 kg × 5 m/s² = 50 Newtons (N). Option A results from dividing instead of
multiplying (10 ÷ 5). Option D results from adding a zero (10 × 50).
Q6: Which of the following is a renewable energy source?
A. Natural gas
B. Coal
C. Nuclear fission (uranium)
D. Geothermal heat [CORRECT]
Correct Answer: D
, Rationale: Geothermal energy harnesses heat from Earth's interior and is continuously
replenished. Natural gas (A), coal (B), and uranium (C) are finite fossil fuels or mineral
resources that cannot be replenished on human timescales.
Q7: During photosynthesis, plants convert carbon dioxide and water into glucose and
which gas?
A. Carbon monoxide
B. Oxygen [CORRECT]
C. Nitrogen
D. Hydrogen
Correct Answer: B
Rationale: The photosynthesis equation is: 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂. Oxygen is
released as a byproduct. Carbon monoxide (A) is a toxic byproduct of incomplete
combustion, not photosynthesis.
Q8: [Verification Style] A DNA molecule contains 30% adenine (A). According to
Chargaff's rules, what percentage of thymine (T) and cytosine (C) will be present
respectively?
A. 30% T and 20% C [CORRECT]
B. 20% T and 30% C
C. 30% T and 40% C
D. 40% T and 30% C
Correct Answer: A
Rationale: Chargaff's rules state that in DNA, A = T and G = C (complementary base
pairing). If A = 30%, then T = 30%. The remaining 40% is split equally between G and C,
Exam Actual Questions and Answers
(2026/2027 Edition)
Subtest 1: General Science (GS)
16 Questions covering Life Sciences, Physical Sciences, Earth/Space Science
Q1: Which of the following is the primary function of the mitochondria in a cell?
A. Protein synthesis
B. Cellular respiration and ATP production [CORRECT]
C. Storage of genetic material
D. Breakdown of waste materials
Correct Answer: B
Rationale: Mitochondria are known as the "powerhouses" of the cell because they
generate adenosine triphosphate (ATP) through cellular respiration. Protein synthesis
(A) occurs at ribosomes. Genetic material storage (C) is the function of the nucleus.
Waste breakdown (D) is performed by lysosomes.
Q2: In the periodic table, elements in Group 18 are characterized by which property?
A. High reactivity with water
B. Formation of colored compounds
C. Complete outer electron shells and chemical inertness [CORRECT]
,D. Metallic conductivity
Correct Answer: C
Rationale: Group 18 elements are the noble gases (He, Ne, Ar, Kr, Xe, Rn). They have
complete valence electron shells, making them chemically inert under standard
conditions. High reactivity with water (A) describes Group 1 alkali metals. Colored
compounds (B) are typical of transition metals. Metallic conductivity (D) is not
characteristic of these gaseous elements.
Q3: [Verification Style] A scientist observes that a certain plant grows taller when
exposed to more hours of sunlight, but only up to 16 hours per day, after which growth
plateaus. What type of relationship is described between sunlight exposure and plant
growth?
A. Directly proportional
B. Inversely proportional
C. Asymptotic or limiting factor relationship [CORRECT]
D. Exponentially decaying
Correct Answer: C
Rationale: The relationship demonstrates a limiting factor—growth increases with the
variable up to a point, then levels off (asymptotic behavior). Direct proportionality (A)
would imply continuous linear growth. Inverse proportionality (B) and exponential decay
(D) would show decreasing growth with increased sunlight.
Q4: Which layer of Earth's atmosphere contains the ozone layer that absorbs harmful
ultraviolet radiation?
A. Troposphere
B. Stratosphere [CORRECT]
,C. Mesosphere
D. Thermosphere
Correct Answer: B
Rationale: The ozone layer is located primarily in the lower stratosphere (approximately
10-50 km above Earth). The troposphere (A) is the lowest layer where weather occurs.
The mesosphere (C) and thermosphere (D) are above the stratosphere.
Q5: An object with a mass of 10 kg is accelerated at 5 m/s². What is the force acting on
the object according to Newton's Second Law?
A. 2 N
B. 15 N
C. 50 N [CORRECT]
D. 500 N
Correct Answer: C
Rationale: Newton's Second Law states F = ma (Force = mass × acceleration).
Calculation: 10 kg × 5 m/s² = 50 Newtons (N). Option A results from dividing instead of
multiplying (10 ÷ 5). Option D results from adding a zero (10 × 50).
Q6: Which of the following is a renewable energy source?
A. Natural gas
B. Coal
C. Nuclear fission (uranium)
D. Geothermal heat [CORRECT]
Correct Answer: D
, Rationale: Geothermal energy harnesses heat from Earth's interior and is continuously
replenished. Natural gas (A), coal (B), and uranium (C) are finite fossil fuels or mineral
resources that cannot be replenished on human timescales.
Q7: During photosynthesis, plants convert carbon dioxide and water into glucose and
which gas?
A. Carbon monoxide
B. Oxygen [CORRECT]
C. Nitrogen
D. Hydrogen
Correct Answer: B
Rationale: The photosynthesis equation is: 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂. Oxygen is
released as a byproduct. Carbon monoxide (A) is a toxic byproduct of incomplete
combustion, not photosynthesis.
Q8: [Verification Style] A DNA molecule contains 30% adenine (A). According to
Chargaff's rules, what percentage of thymine (T) and cytosine (C) will be present
respectively?
A. 30% T and 20% C [CORRECT]
B. 20% T and 30% C
C. 30% T and 40% C
D. 40% T and 30% C
Correct Answer: A
Rationale: Chargaff's rules state that in DNA, A = T and G = C (complementary base
pairing). If A = 30%, then T = 30%. The remaining 40% is split equally between G and C,
