Last minute exam prep ATI TEAS PRACTICE TEST Science questions and answers

Last minute exam prep ATI TEAS
PRACTICE TEST Science questions
and answers
Which organelle is primarily responsible for producing ATP in eukaryotic cells?
A. Ribosome
B. Nucleus
C. Mitochondrion
D. Golgi apparatus
✔️✔️ C. Mitochondrion

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

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

Which system in the human body is responsible for regulating hormones?
A. Nervous system
B. Endocrine system
C. Digestive system
D. Respiratory system
✔️✔️ B. Endocrine system

Which phase of mitosis involves chromosomes lining up at the cell’s equator?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
✔️✔️ B. Metaphase

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

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,D. Organ system
✔️✔️ C. Cell

Which part of the atom has a positive charge?
A. Electron
B. Neutron
C. Proton
D. Photon
✔️✔️ C. Proton

Which process converts glucose into energy without oxygen?
A. Photosynthesis
B. Aerobic respiration
C. Fermentation
D. Glycolysis only
✔️✔️ C. Fermentation

Which organ filters blood and produces urine?
A. Liver
B. Kidney
C. Pancreas
D. Spleen
✔️✔️ B. Kidney

Which macromolecule is the primary source of quick energy?
A. Lipids
B. Proteins
C. Carbohydrates
D. Nucleic acids
✔️✔️ C. Carbohydrates

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

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


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,Which process do plants use to make food?
A. Respiration
B. Fermentation
C. Photosynthesis
D. Digestion
✔️✔️ C. Photosynthesis

Which structure controls what enters and leaves the cell?
A. Cell wall
B. Cell membrane
C. Nucleus
D. Cytoplasm
✔️✔️ B. Cell membrane

Which blood type is considered the universal donor?
A. AB+
B. O-
C. A+
D. B-
✔️✔️ B. O-

Which molecule stores genetic information?
A. RNA
B. ATP
C. DNA
D. Enzymes
✔️✔️ C. DNA

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

Which substance speeds up chemical reactions in the body?
A. Hormones
B. Enzymes
C. Antibodies
D. Vitamins
✔️✔️ B. Enzymes

Which phase follows prophase in mitosis?
A. Telophase
B. Metaphase

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, C. Anaphase
D. Cytokinesis
✔️✔️ B. Metaphase

What is the function of the respiratory system?
A. Pump blood
B. Exchange gases
C. Digest food
D. Remove waste
✔️✔️ B. Exchange gases

Which structure in plants conducts water upward?
A. Phloem
B. Xylem
C. Stomata
D. Chloroplast
✔️✔️ B. Xylem

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

Which state of matter has a fixed shape and volume?
A. Liquid
B. Gas
C. Plasma
D. Solid
✔️✔️ D. Solid

What is homeostasis?
A. Cell division
B. Maintaining internal balance
C. Energy production
D. Protein synthesis
✔️✔️ B. Maintaining internal balance

Which part of the neuron receives signals?
A. Axon
B. Dendrite
C. Myelin sheath
D. Synapse
✔️✔️ B. Dendrite

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