BIO 115 ACTUAL EXAM 2025/2026 COMPLETE 200 QUESTIONS
AND CORRECT DETAILED ANSWERS (VERIFIED
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1. Which of the following statements about passive transport is true?
a. It requires ATP to function.
b. It occurs against the concentration gradient.
c. It can involve diffusion through the lipid bilayer.
d. It is only limited to water molecules.
e. It always requires a protein channel.
c. It can involve diffusion through the lipid bilayer.
2. What process describes the movement of water across a selectively permeable
membrane?
a. Active transport
b. Osmosis
c. Facilitated diffusion
d. Bulk transport
e. Simple diffusion
b. Osmosis
3. Which of the following substances would likely diffuse through the lipid bilayer
via simple diffusion?
a. Glucose
b. Ions
c. Oxygen
d. Large polar molecules
e. Amino acids
c. Oxygen
4. Facilitated diffusion differs from simple diffusion in that:
a. It requires energy from ATP.
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b. It can occur against the concentration gradient.
c. It uses a protein channel or carrier.
d. It is faster than simple diffusion.
e. It only occurs in water.
c. It uses a protein channel or carrier.
5. What is the primary energy source for active transport?
a. Glucose
b. Light energy
c. ATP
d. Concentration gradient
e. Water
c. ATP
6. Active transport moves substances:
a. Down the concentration gradient.
b. Up the concentration gradient.
c. Only in the presence of water.
d. Without using any energy.
e. Only in small amounts.
b. Up the concentration gradient.
7. What process involves the cell engulfing liquids?
a. Phagocytosis
b. Pinocytosis
c. Receptor-mediated endocytosis
d. Exocytosis
e. Active transport
b. Pinocytosis
8. What is the function of exocytosis?
a. Bringing substances into the cell
b. Removing substances from the cell
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c. Transporting substances across the membrane
d. Digesting food particles
e. Storing substances
b. Removing substances from the cell
What atomic structures are responsible for identity and mass?
a. protons
b. electrons
c. neutrons
c. adp
a, c
What atomic structure is responsible for reactions?
a. protons
b. electrons
c. neutrons
c. adp
b
Which type of bond involves the sharing of electrons between atoms?
a. Covalent bond
b. Ionic bond
c. Hydrogen bond
d. Van der Waals interaction
e. Polar bond
a. Covalent bond
In which type of bond are electrons shared equally between atoms?
a. Polar covalent bond
b. Non-polar covalent bond
c. Ionic bond
d. Hydrogen bond
e. Van der Waals interaction
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b. Non-polar covalent bond
Which bond involves one atom stealing electrons from another?
a. Non-polar covalent bond
b. Polar covalent bond
c. Ionic bond
d. Hydrogen bond
e. Van der Waals interaction
c. Ionic bond
Which bond describes an interaction between water molecules?
a. Covalent bond
b. Ionic bond
c. Hydrogen bond
d. Van der Waals interaction
e. Polar bond
c. Hydrogen bond
Which type of bond is the strongest?
a. Ionic bond
b. Non-polar covalent bond
c. Polar covalent bond
d. Hydrogen bond
e. Van der Waals interaction
b. Non-polar covalent bond
Which bond occurs between atoms with the same electronegativity?
a. Polar covalent bond
b. Non-polar covalent bond
c. Ionic bond
d. Hydrogen bond
e. Van der Waals interaction
b. Non-polar covalent bond
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