BIOS 150 Week 4 Quiz Exam final (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which level of organization is the simplest?
A. Tissue
B. Organ
C. Cell
D. System
Correct Answer: C. Cell
Rationale: Cells are the basic unit of life.
2. What is the main function of enzymes?
A. Store energy
B. Speed up reactions
C. Carry oxygen
D. Form DNA
Correct Answer: B. Speed up reactions
Rationale: Enzymes act as biological catalysts.
,3. Which organelle contains genetic material?
A. Ribosome
B. Golgi apparatus
C. Nucleus
D. Lysosome
Correct Answer: C. Nucleus
Rationale: DNA is stored in the nucleus.
4. Which macromolecule provides long-term energy?
A. Carbohydrates
B. Proteins
C. Lipids
D. Nucleic acids
Correct Answer: C. Lipids
Rationale: Lipids store energy for long periods.
5. What process moves molecules from high to low concentration?
A. Active transport
B. Diffusion
C. Endocytosis
D. Exocytosis
Correct Answer: B. Diffusion
Rationale: Diffusion follows concentration gradient.
6. What is osmosis?
,A. Movement of solutes
B. Movement of water
C. Active transport
D. Protein synthesis
Correct Answer: B. Movement of water
Rationale: Osmosis is water diffusion across a membrane.
7. Which organ produces insulin?
A. Liver
B. Kidney
C. Pancreas
D. Stomach
Correct Answer: C. Pancreas
Rationale: Pancreas regulates blood sugar.
8. What is the function of hemoglobin?
A. Fight infection
B. Carry oxygen
C. Digest food
D. Produce hormones
Correct Answer: B. Carry oxygen
Rationale: Hemoglobin transports oxygen in blood.
9. Which system controls body coordination?
, A. Circulatory
B. Nervous
C. Digestive
D. Skeletal
Correct Answer: B. Nervous
Rationale: Controls responses and coordination.
10. Which organ filters blood?
A. Heart
B. Liver
C. Kidney
D. Lung
Correct Answer: C. Kidney
Rationale: Kidneys remove waste from blood.
11. What is the main function of the lungs?
A. Digestion
B. Gas exchange
C. Circulation
D. Filtration
Correct Answer: B. Gas exchange
Rationale: Oxygen in, carbon dioxide out.
12. Which organ absorbs nutrients?
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. Which level of organization is the simplest?
A. Tissue
B. Organ
C. Cell
D. System
Correct Answer: C. Cell
Rationale: Cells are the basic unit of life.
2. What is the main function of enzymes?
A. Store energy
B. Speed up reactions
C. Carry oxygen
D. Form DNA
Correct Answer: B. Speed up reactions
Rationale: Enzymes act as biological catalysts.
,3. Which organelle contains genetic material?
A. Ribosome
B. Golgi apparatus
C. Nucleus
D. Lysosome
Correct Answer: C. Nucleus
Rationale: DNA is stored in the nucleus.
4. Which macromolecule provides long-term energy?
A. Carbohydrates
B. Proteins
C. Lipids
D. Nucleic acids
Correct Answer: C. Lipids
Rationale: Lipids store energy for long periods.
5. What process moves molecules from high to low concentration?
A. Active transport
B. Diffusion
C. Endocytosis
D. Exocytosis
Correct Answer: B. Diffusion
Rationale: Diffusion follows concentration gradient.
6. What is osmosis?
,A. Movement of solutes
B. Movement of water
C. Active transport
D. Protein synthesis
Correct Answer: B. Movement of water
Rationale: Osmosis is water diffusion across a membrane.
7. Which organ produces insulin?
A. Liver
B. Kidney
C. Pancreas
D. Stomach
Correct Answer: C. Pancreas
Rationale: Pancreas regulates blood sugar.
8. What is the function of hemoglobin?
A. Fight infection
B. Carry oxygen
C. Digest food
D. Produce hormones
Correct Answer: B. Carry oxygen
Rationale: Hemoglobin transports oxygen in blood.
9. Which system controls body coordination?
, A. Circulatory
B. Nervous
C. Digestive
D. Skeletal
Correct Answer: B. Nervous
Rationale: Controls responses and coordination.
10. Which organ filters blood?
A. Heart
B. Liver
C. Kidney
D. Lung
Correct Answer: C. Kidney
Rationale: Kidneys remove waste from blood.
11. What is the main function of the lungs?
A. Digestion
B. Gas exchange
C. Circulation
D. Filtration
Correct Answer: B. Gas exchange
Rationale: Oxygen in, carbon dioxide out.
12. Which organ absorbs nutrients?
