Verified ATI TEAS: Science questions
and answers, latest edition!
What is the primary function of ribosomes in a cell?
A. Lipid storage
B. Protein synthesis
C. DNA replication
D. Energy production
✔️✔️ B. Protein synthesis
Which organelle is responsible for detoxifying harmful substances in liver cells?
A. Golgi apparatus
B. Smooth endoplasmic reticulum
C. Lysosome
D. Nucleus
✔️✔️ B. Smooth endoplasmic reticulum
What is the basic unit of life?
A. Tissue
B. Organ
C. Cell
D. Organ system
✔️✔️ C. Cell
Which blood component is primarily responsible for clotting?
A. Red blood cells
B. White blood cells
C. Platelets
D. Plasma
✔️✔️ C. Platelets
What is the function of mitochondria?
A. Protein packaging
B. Energy production
C. Genetic storage
D. Waste removal
✔️✔️ B. Energy production
Which macromolecule is the main source of long-term energy storage?
A. Carbohydrates
B. Proteins
C. Lipids
1
,D. Nucleic acids
✔️✔️ C. Lipids
What is the function of the alveoli in the lungs?
A. Filter blood
B. Exchange gases
C. Produce mucus
D. Pump air
✔️✔️ B. Exchange gases
Which system controls voluntary and involuntary actions in the body?
A. Digestive system
B. Nervous system
C. Endocrine system
D. Muscular system
✔️✔️ B. Nervous system
What is the role of insulin?
A. Increase blood glucose
B. Decrease blood glucose
C. Break down fats
D. Increase heart rate
✔️✔️ B. Decrease blood glucose
Which structure carries oxygenated blood away from the heart?
A. Veins
B. Arteries
C. Capillaries
D. Venules
✔️✔️ B. Arteries
What type of bond involves sharing electrons?
A. Ionic bond
B. Hydrogen bond
C. Covalent bond
D. Metallic bond
✔️✔️ C. Covalent bond
Which organ filters waste from blood?
A. Liver
B. Kidney
C. Pancreas
D. Spleen
✔️✔️ B. Kidney
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, What is homeostasis?
A. Cell division
B. Stable internal environment
C. Energy production
D. DNA mutation
✔️✔️ B. Stable internal environment
Which phase of mitosis involves separation of sister chromatids?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
✔️✔️ C. Anaphase
What is the function of the large intestine?
A. Protein digestion
B. Water absorption
C. Hormone production
D. Oxygen transport
✔️✔️ B. Water absorption
Which vitamin is essential for blood clotting?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K
✔️✔️ D. Vitamin K
What is the primary function of white blood cells?
A. Oxygen transport
B. Immunity
C. Clotting
D. Hormone transport
✔️✔️ B. Immunity
Which structure in the brain regulates balance?
A. Cerebrum
B. Cerebellum
C. Medulla
D. Hypothalamus
✔️✔️ B. Cerebellum
What is the function of DNA?
A. Energy storage
B. Genetic information storage
3
and answers, latest edition!
What is the primary function of ribosomes in a cell?
A. Lipid storage
B. Protein synthesis
C. DNA replication
D. Energy production
✔️✔️ B. Protein synthesis
Which organelle is responsible for detoxifying harmful substances in liver cells?
A. Golgi apparatus
B. Smooth endoplasmic reticulum
C. Lysosome
D. Nucleus
✔️✔️ B. Smooth endoplasmic reticulum
What is the basic unit of life?
A. Tissue
B. Organ
C. Cell
D. Organ system
✔️✔️ C. Cell
Which blood component is primarily responsible for clotting?
A. Red blood cells
B. White blood cells
C. Platelets
D. Plasma
✔️✔️ C. Platelets
What is the function of mitochondria?
A. Protein packaging
B. Energy production
C. Genetic storage
D. Waste removal
✔️✔️ B. Energy production
Which macromolecule is the main source of long-term energy storage?
A. Carbohydrates
B. Proteins
C. Lipids
1
,D. Nucleic acids
✔️✔️ C. Lipids
What is the function of the alveoli in the lungs?
A. Filter blood
B. Exchange gases
C. Produce mucus
D. Pump air
✔️✔️ B. Exchange gases
Which system controls voluntary and involuntary actions in the body?
A. Digestive system
B. Nervous system
C. Endocrine system
D. Muscular system
✔️✔️ B. Nervous system
What is the role of insulin?
A. Increase blood glucose
B. Decrease blood glucose
C. Break down fats
D. Increase heart rate
✔️✔️ B. Decrease blood glucose
Which structure carries oxygenated blood away from the heart?
A. Veins
B. Arteries
C. Capillaries
D. Venules
✔️✔️ B. Arteries
What type of bond involves sharing electrons?
A. Ionic bond
B. Hydrogen bond
C. Covalent bond
D. Metallic bond
✔️✔️ C. Covalent bond
Which organ filters waste from blood?
A. Liver
B. Kidney
C. Pancreas
D. Spleen
✔️✔️ B. Kidney
2
, What is homeostasis?
A. Cell division
B. Stable internal environment
C. Energy production
D. DNA mutation
✔️✔️ B. Stable internal environment
Which phase of mitosis involves separation of sister chromatids?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
✔️✔️ C. Anaphase
What is the function of the large intestine?
A. Protein digestion
B. Water absorption
C. Hormone production
D. Oxygen transport
✔️✔️ B. Water absorption
Which vitamin is essential for blood clotting?
A. Vitamin A
B. Vitamin C
C. Vitamin D
D. Vitamin K
✔️✔️ D. Vitamin K
What is the primary function of white blood cells?
A. Oxygen transport
B. Immunity
C. Clotting
D. Hormone transport
✔️✔️ B. Immunity
Which structure in the brain regulates balance?
A. Cerebrum
B. Cerebellum
C. Medulla
D. Hypothalamus
✔️✔️ B. Cerebellum
What is the function of DNA?
A. Energy storage
B. Genetic information storage
3
