COMPREHENSIVE GED MASTERY
EXAM 2026/2027 QUESTIONS AND
ANSWERS
1. A line passes through the points (3, -2) and (-1, 6). What is the slope of this line?
A. 2
B. -0.5
C. 0.5
D. -2
Answer: D
Conceptual Explanation: The slope formula is (y2 - y1) / (x2 - x1). Here, (6 - (-2)) / (-1 -
3) = 8 / -4 = -2.
2. In a pea plant experiment, tall (T) is dominant over short (t). If a heterozygous tall plant (Tt)
is crossed with a short plant (tt), what is the probability of the offspring being short?
A. 50%
B. 25%
C. 75%
D. 100%
,Answer: A
Conceptual Explanation: A Tt x tt cross yields Tt, Tt, tt, and tt. Two out of four (50%) are
genotype tt (short).
3. Which of the following is a primary duty of the Legislative Branch of the U.S. Government?
A. Creating laws
B. Enforcing laws
C. Interpreting laws
D. Commanding the military
Answer: A
Conceptual Explanation: The Legislative Branch (Congress) is responsible for drafting
and passing legislation (creating laws).
4. Identify the error in the following sentence: ‘The group of students, along with their
teacher, are going to the museum today.’
A. Subject-verb agreement error
B. Punctuation error
C. Pronoun case error
D. Tense inconsistency
Answer: A
, Conceptual Explanation: The subject is ‘The group’ (singular), so the verb should be ‘is’
instead of ‘are’.
5. Simplify the expression: 4(x - 3) - 2(3x + 5).
A. 10x - 22
B. -2x - 2
C. -2x - 22
D. -2x + 7
Answer: C
Conceptual Explanation: 4x - 12 - 6x - 10 combines to -2x - 22.
6. Which cellular organelle is responsible for generating most of the cell’s supply of adenosine
triphosphate (ATP)?
A. Ribosome
B. Nucleus
C. Mitochondria
D. Chloroplast
Answer: C
Conceptual Explanation: Mitochondria are known as the ‘powerhouse’ of the cell because
they produce ATP through cellular respiration.
EXAM 2026/2027 QUESTIONS AND
ANSWERS
1. A line passes through the points (3, -2) and (-1, 6). What is the slope of this line?
A. 2
B. -0.5
C. 0.5
D. -2
Answer: D
Conceptual Explanation: The slope formula is (y2 - y1) / (x2 - x1). Here, (6 - (-2)) / (-1 -
3) = 8 / -4 = -2.
2. In a pea plant experiment, tall (T) is dominant over short (t). If a heterozygous tall plant (Tt)
is crossed with a short plant (tt), what is the probability of the offspring being short?
A. 50%
B. 25%
C. 75%
D. 100%
,Answer: A
Conceptual Explanation: A Tt x tt cross yields Tt, Tt, tt, and tt. Two out of four (50%) are
genotype tt (short).
3. Which of the following is a primary duty of the Legislative Branch of the U.S. Government?
A. Creating laws
B. Enforcing laws
C. Interpreting laws
D. Commanding the military
Answer: A
Conceptual Explanation: The Legislative Branch (Congress) is responsible for drafting
and passing legislation (creating laws).
4. Identify the error in the following sentence: ‘The group of students, along with their
teacher, are going to the museum today.’
A. Subject-verb agreement error
B. Punctuation error
C. Pronoun case error
D. Tense inconsistency
Answer: A
, Conceptual Explanation: The subject is ‘The group’ (singular), so the verb should be ‘is’
instead of ‘are’.
5. Simplify the expression: 4(x - 3) - 2(3x + 5).
A. 10x - 22
B. -2x - 2
C. -2x - 22
D. -2x + 7
Answer: C
Conceptual Explanation: 4x - 12 - 6x - 10 combines to -2x - 22.
6. Which cellular organelle is responsible for generating most of the cell’s supply of adenosine
triphosphate (ATP)?
A. Ribosome
B. Nucleus
C. Mitochondria
D. Chloroplast
Answer: C
Conceptual Explanation: Mitochondria are known as the ‘powerhouse’ of the cell because
they produce ATP through cellular respiration.
