BIOS 150 General Biology with Lab Exam
1 (Latest Update ) Anatomy
and Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the basic unit of life?
A. Tissue
B. Organ
C. Cell
D. Molecule
Correct Answer: C. Cell
Rationale: The cell is the smallest structure capable of carrying out
all functions necessary for life.
2. Which macromolecule stores genetic information?
A. Proteins
B. Lipids
C. Carbohydrates
D. Nucleic acids
Correct Answer: D. Nucleic acids
,Rationale: DNA and RNA are nucleic acids responsible for storing
and transmitting genetic information.
3. What is the function of the mitochondria?
A. Protein synthesis
B. Energy production
C. Lipid storage
D. DNA replication
Correct Answer: B. Energy production
Rationale: Mitochondria produce ATP through cellular respiration.
4. Which organelle is responsible for protein synthesis?
A. Ribosome
B. Golgi apparatus
C. Lysosome
D. Nucleus
Correct Answer: A. Ribosome
Rationale: Ribosomes translate mRNA into proteins.
5. What type of bond holds water molecules together?
A. Ionic bond
B. Covalent bond
C. Hydrogen bond
D. Peptide bond
Correct Answer: C. Hydrogen bond
,Rationale: Hydrogen bonds form between the partial charges of
water molecules.
6. What is homeostasis?
A. Energy production
B. Maintaining internal balance
C. Cell division
D. Movement
Correct Answer: B. Maintaining internal balance
Rationale: Homeostasis keeps internal conditions stable despite
external changes.
7. Which molecule is the main energy currency of the cell?
A. DNA
B. RNA
C. ATP
D. Glucose
Correct Answer: C. ATP
Rationale: ATP stores and transfers energy for cellular processes.
8. What is the main component of cell membranes?
A. Proteins
B. Phospholipids
C. Carbohydrates
D. Nucleotides
, Correct Answer: B. Phospholipids
Rationale: The membrane is primarily a phospholipid bilayer.
9. Which process moves molecules from high to low concentration
without energy?
A. Active transport
B. Diffusion
C. Endocytosis
D. Exocytosis
Correct Answer: B. Diffusion
Rationale: Diffusion is passive movement down a concentration
gradient.
10. What is osmosis?
A. Movement of ions
B. Movement of water across a membrane
C. Protein synthesis
D. Cell division
Correct Answer: B. Movement of water across a membrane
Rationale: Osmosis is the diffusion of water through a selectively
permeable membrane.
11. Which structure controls cell activities?
A. Cytoplasm
B. Nucleus
1 (Latest Update ) Anatomy
and Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the basic unit of life?
A. Tissue
B. Organ
C. Cell
D. Molecule
Correct Answer: C. Cell
Rationale: The cell is the smallest structure capable of carrying out
all functions necessary for life.
2. Which macromolecule stores genetic information?
A. Proteins
B. Lipids
C. Carbohydrates
D. Nucleic acids
Correct Answer: D. Nucleic acids
,Rationale: DNA and RNA are nucleic acids responsible for storing
and transmitting genetic information.
3. What is the function of the mitochondria?
A. Protein synthesis
B. Energy production
C. Lipid storage
D. DNA replication
Correct Answer: B. Energy production
Rationale: Mitochondria produce ATP through cellular respiration.
4. Which organelle is responsible for protein synthesis?
A. Ribosome
B. Golgi apparatus
C. Lysosome
D. Nucleus
Correct Answer: A. Ribosome
Rationale: Ribosomes translate mRNA into proteins.
5. What type of bond holds water molecules together?
A. Ionic bond
B. Covalent bond
C. Hydrogen bond
D. Peptide bond
Correct Answer: C. Hydrogen bond
,Rationale: Hydrogen bonds form between the partial charges of
water molecules.
6. What is homeostasis?
A. Energy production
B. Maintaining internal balance
C. Cell division
D. Movement
Correct Answer: B. Maintaining internal balance
Rationale: Homeostasis keeps internal conditions stable despite
external changes.
7. Which molecule is the main energy currency of the cell?
A. DNA
B. RNA
C. ATP
D. Glucose
Correct Answer: C. ATP
Rationale: ATP stores and transfers energy for cellular processes.
8. What is the main component of cell membranes?
A. Proteins
B. Phospholipids
C. Carbohydrates
D. Nucleotides
, Correct Answer: B. Phospholipids
Rationale: The membrane is primarily a phospholipid bilayer.
9. Which process moves molecules from high to low concentration
without energy?
A. Active transport
B. Diffusion
C. Endocytosis
D. Exocytosis
Correct Answer: B. Diffusion
Rationale: Diffusion is passive movement down a concentration
gradient.
10. What is osmosis?
A. Movement of ions
B. Movement of water across a membrane
C. Protein synthesis
D. Cell division
Correct Answer: B. Movement of water across a membrane
Rationale: Osmosis is the diffusion of water through a selectively
permeable membrane.
11. Which structure controls cell activities?
A. Cytoplasm
B. Nucleus
