HESI Biology Fundamentals Exam Newest 2026
Questions and Correct Detailed Answers Already
Graded A+
CORE BIOLOGY CONCEPTS (HIGH-YIELD)
Cell = basic unit of life
DNA stores genetic instructions
Homeostasis = internal balance
Mitosis = growth and repair
Meiosis = reproductive cell division
Cells → tissues → organs → systems
SECTION A: CELL BIOLOGY
1.
What is the basic unit of life?
A. Tissue
B. Organ
C. Cell
D. System
Answer: C (Cell)
Rationale:
The cell is the smallest structural and functional unit of life.
2.
, Which organelle is responsible for energy production?
A. Nucleus
B. Ribosome
C. Mitochondria
D. Golgi apparatus
Answer: C
Rationale:
Mitochondria produce ATP (energy).
3.
The cell membrane primarily:
A. Produces proteins
B. Controls what enters and exits the cell
C. Stores DNA
D. Makes energy
Answer: B
Rationale:
It is selectively permeable.
SECTION B: GENETICS & DNA
4.
DNA is located in the:
A. Cytoplasm
B. Nucleus
C. Ribosome
D. Cell membrane
Questions and Correct Detailed Answers Already
Graded A+
CORE BIOLOGY CONCEPTS (HIGH-YIELD)
Cell = basic unit of life
DNA stores genetic instructions
Homeostasis = internal balance
Mitosis = growth and repair
Meiosis = reproductive cell division
Cells → tissues → organs → systems
SECTION A: CELL BIOLOGY
1.
What is the basic unit of life?
A. Tissue
B. Organ
C. Cell
D. System
Answer: C (Cell)
Rationale:
The cell is the smallest structural and functional unit of life.
2.
, Which organelle is responsible for energy production?
A. Nucleus
B. Ribosome
C. Mitochondria
D. Golgi apparatus
Answer: C
Rationale:
Mitochondria produce ATP (energy).
3.
The cell membrane primarily:
A. Produces proteins
B. Controls what enters and exits the cell
C. Stores DNA
D. Makes energy
Answer: B
Rationale:
It is selectively permeable.
SECTION B: GENETICS & DNA
4.
DNA is located in the:
A. Cytoplasm
B. Nucleus
C. Ribosome
D. Cell membrane
