Final exam practice ATI TEAS 7: Science questions and answers

Final exam practice ATI TEAS 7:
Science questions and answers
Which of the following best describes the function of ribosomes in a cell?
A. Lipid synthesis
B. Protein synthesis
C. Energy storage
D. Waste breakdown
✔️✔️ B. Protein synthesis

What is the primary function of red blood cells?
A. Fight infection
B. Carry oxygen
C. Produce hormones
D. Clot blood
✔️✔️ B. Carry oxygen

Which organelle is responsible for producing ATP in eukaryotic cells?
A. Nucleus
B. Golgi apparatus
C. Mitochondria
D. Ribosome
✔️✔️ C. Mitochondria

What type of bond involves sharing electrons between atoms?
A. Ionic bond
B. Hydrogen bond
C. Covalent bond
D. Metallic bond
✔️✔️ C. Covalent bond

Which blood component is primarily responsible for clotting?
A. Plasma
B. Platelets
C. Red blood cells
D. White blood cells
✔️✔️ B. Platelets

What is the basic unit of life?
A. Atom
B. Tissue
C. Organ



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,D. Cell
✔️✔️ D. Cell

Which system regulates hormones in the human body?
A. Nervous system
B. Digestive system
C. Endocrine system
D. Respiratory system
✔️✔️ C. Endocrine system

Which molecule stores genetic information?
A. Lipid
B. DNA
C. Protein
D. Glucose
✔️✔️ B. DNA

What is the primary function of the lungs?
A. Pump blood
B. Filter waste
C. Exchange gases
D. Digest food
✔️✔️ C. Exchange gases

Which process converts glucose into energy in cells?
A. Photosynthesis
B. Respiration
C. Diffusion
D. Osmosis
✔️✔️ B. Respiration

Which part of the brain controls balance and coordination?
A. Cerebrum
B. Medulla
C. Cerebellum
D. Hypothalamus
✔️✔️ C. Cerebellum

What is the function of the large intestine?
A. Digest proteins
B. Absorb water
C. Produce bile
D. Absorb oxygen
✔️✔️ B. Absorb water


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,Which type of blood vessel carries blood away from the heart?
A. Veins
B. Capillaries
C. Arteries
D. Venules
✔️✔️ C. Arteries

What is the smallest particle of an element?
A. Molecule
B. Compound
C. Atom
D. Cell
✔️✔️ C. Atom

Which gas is most abundant in Earth's atmosphere?
A. Oxygen
B. Carbon dioxide
C. Nitrogen
D. Hydrogen
✔️✔️ C. Nitrogen

What is homeostasis?
A. Cell division
B. Internal balance maintenance
C. Energy production
D. DNA replication
✔️✔️ B. Internal balance maintenance

Which structure filters blood in the human body?
A. Heart
B. Liver
C. Kidney
D. Lungs
✔️✔️ C. Kidney

What is the function of chlorophyll?
A. Store water
B. Absorb light energy
C. Break down glucose
D. Transport nutrients
✔️✔️ B. Absorb light energy

Which macromolecule is the main source of quick energy?
A. Lipids
B. Carbohydrates

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, C. Proteins
D. Nucleic acids
✔️✔️ B. Carbohydrates

What type of joint is found in the shoulder?
A. Hinge joint
B. Ball-and-socket joint
C. Fixed joint
D. Pivot joint
✔️✔️ B. Ball-and-socket joint

Which organ produces insulin?
A. Liver
B. Pancreas
C. Kidney
D. Stomach
✔️✔️ B. Pancreas

What is the function of white blood cells?
A. Carry oxygen
B. Fight infection
C. Clot blood
D. Transport nutrients
✔️✔️ B. Fight infection

Which phase of mitosis separates sister chromatids?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
✔️✔️ C. Anaphase

What is the primary function of DNA replication?
A. Produce energy
B. Make identical DNA copies
C. Break down proteins
D. Synthesize lipids
✔️✔️ B. Make identical DNA copies

Which system includes the brain and spinal cord?
A. Endocrine system
B. Nervous system
C. Digestive system
D. Muscular system
✔️✔️ B. Nervous system

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