HESI A2 Biology Practice Questions
and Answers | Latest Version |
2025/2026 | Correct & Verified
Which organelle is responsible for producing energy in the form of ATP?
A. Nucleus
✔✔B. Mitochondria
C. Ribosome
D. Golgi apparatus
Which type of muscle tissue is voluntary and striated?
A. Smooth muscle
✔✔B. Skeletal muscle
C. Cardiac muscle
D. Connective tissue
Which molecule carries genetic information?
A. RNA
B. Protein
1
,✔✔C. DNA
D. Lipid
Which blood cells are responsible for transporting oxygen?
A. Platelets
✔✔B. Red blood cells
C. White blood cells
D. Plasma
What is the basic unit of life?
A. Organ
B. Tissue
✔✔C. Cell
D. Organ system
Which part of the brain controls balance and coordination?
A. Cerebrum
✔✔B. Cerebellum
2
,C. Brainstem
D. Hypothalamus
Which system is responsible for producing hormones?
A. Nervous system
✔✔B. Endocrine system
C. Circulatory system
D. Skeletal system
What is the main function of the alveoli in the lungs?
A. Protect against infection
✔✔B. Gas exchange
C. Pump air into bronchi
D. Produce surfactant
Which type of joint allows movement in all directions, such as the hip?
A. Hinge joint
✔✔B. Ball-and-socket joint
3
, C. Pivot joint
D. Gliding joint
Which macromolecule is the main source of quick energy?
✔✔A. Carbohydrates
B. Proteins
C. Lipids
D. Nucleic acids
Which organ filters blood and produces urine?
A. Liver
✔✔B. Kidney
C. Pancreas
D. Heart
Which type of blood vessel carries blood away from the heart?
✔✔A. Arteries
B. Veins
4
and Answers | Latest Version |
2025/2026 | Correct & Verified
Which organelle is responsible for producing energy in the form of ATP?
A. Nucleus
✔✔B. Mitochondria
C. Ribosome
D. Golgi apparatus
Which type of muscle tissue is voluntary and striated?
A. Smooth muscle
✔✔B. Skeletal muscle
C. Cardiac muscle
D. Connective tissue
Which molecule carries genetic information?
A. RNA
B. Protein
1
,✔✔C. DNA
D. Lipid
Which blood cells are responsible for transporting oxygen?
A. Platelets
✔✔B. Red blood cells
C. White blood cells
D. Plasma
What is the basic unit of life?
A. Organ
B. Tissue
✔✔C. Cell
D. Organ system
Which part of the brain controls balance and coordination?
A. Cerebrum
✔✔B. Cerebellum
2
,C. Brainstem
D. Hypothalamus
Which system is responsible for producing hormones?
A. Nervous system
✔✔B. Endocrine system
C. Circulatory system
D. Skeletal system
What is the main function of the alveoli in the lungs?
A. Protect against infection
✔✔B. Gas exchange
C. Pump air into bronchi
D. Produce surfactant
Which type of joint allows movement in all directions, such as the hip?
A. Hinge joint
✔✔B. Ball-and-socket joint
3
, C. Pivot joint
D. Gliding joint
Which macromolecule is the main source of quick energy?
✔✔A. Carbohydrates
B. Proteins
C. Lipids
D. Nucleic acids
Which organ filters blood and produces urine?
A. Liver
✔✔B. Kidney
C. Pancreas
D. Heart
Which type of blood vessel carries blood away from the heart?
✔✔A. Arteries
B. Veins
4
