BIOS 255 Week 2 Quiz Exam 2 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the basic unit of life?
A. Atom
B. Molecule
C. Cell
D. Tissue
Correct Answer: C
Rationale: The cell is the fundamental structural and functional
unit of life.
2. Which organelle produces ATP?
A. Nucleus
B. Mitochondria
C. Ribosome
D. Golgi apparatus
Correct Answer: B
,Rationale: Mitochondria generate energy through cellular
respiration.
3. Which organelle is responsible for protein synthesis?
A. Ribosome
B. Nucleus
C. Lysosome
D. Smooth ER
Correct Answer: A
Rationale: Ribosomes translate mRNA into proteins.
4. Which organelle modifies, sorts, and packages proteins?
A. Ribosome
B. Golgi apparatus
C. Nucleus
D. Lysosome
Correct Answer: B
Rationale: The Golgi apparatus processes and packages proteins for
secretion.
5. Which organelle contains digestive enzymes?
A. Ribosome
B. Lysosome
C. Mitochondria
D. Peroxisome
,Correct Answer: B
Rationale: Lysosomes break down cellular waste and foreign
material.
6. Which organelle synthesizes lipids?
A. Rough ER
B. Smooth ER
C. Golgi apparatus
D. Mitochondria
Correct Answer: B
Rationale: Smooth ER is involved in lipid and steroid synthesis.
7. Which organelle stores genetic material?
A. Ribosome
B. Nucleus
C. Mitochondria
D. Lysosome
Correct Answer: B
Rationale: The nucleus contains DNA, which carries genetic
information.
8. What is the fluid inside a cell called?
A. Cytoplasm
B. Nucleoplasm
C. Extracellular fluid
, D. Matrix
Correct Answer: A
Rationale: Cytoplasm contains organelles and is the site of many
cellular reactions.
9. Which organelle detoxifies harmful substances in the cell?
A. Peroxisome
B. Ribosome
C. Lysosome
D. Golgi apparatus
Correct Answer: A
Rationale: Peroxisomes break down toxic substances such as
hydrogen peroxide.
10. Which structure regulates what enters and exits the cell?
A. Cytoplasm
B. Cell membrane
C. Nucleus
D. Golgi apparatus
Correct Answer: B
Rationale: The cell membrane controls the movement of substances
into and out of the cell.
11. Which structure is made of microtubules and helps in cell
division?
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the basic unit of life?
A. Atom
B. Molecule
C. Cell
D. Tissue
Correct Answer: C
Rationale: The cell is the fundamental structural and functional
unit of life.
2. Which organelle produces ATP?
A. Nucleus
B. Mitochondria
C. Ribosome
D. Golgi apparatus
Correct Answer: B
,Rationale: Mitochondria generate energy through cellular
respiration.
3. Which organelle is responsible for protein synthesis?
A. Ribosome
B. Nucleus
C. Lysosome
D. Smooth ER
Correct Answer: A
Rationale: Ribosomes translate mRNA into proteins.
4. Which organelle modifies, sorts, and packages proteins?
A. Ribosome
B. Golgi apparatus
C. Nucleus
D. Lysosome
Correct Answer: B
Rationale: The Golgi apparatus processes and packages proteins for
secretion.
5. Which organelle contains digestive enzymes?
A. Ribosome
B. Lysosome
C. Mitochondria
D. Peroxisome
,Correct Answer: B
Rationale: Lysosomes break down cellular waste and foreign
material.
6. Which organelle synthesizes lipids?
A. Rough ER
B. Smooth ER
C. Golgi apparatus
D. Mitochondria
Correct Answer: B
Rationale: Smooth ER is involved in lipid and steroid synthesis.
7. Which organelle stores genetic material?
A. Ribosome
B. Nucleus
C. Mitochondria
D. Lysosome
Correct Answer: B
Rationale: The nucleus contains DNA, which carries genetic
information.
8. What is the fluid inside a cell called?
A. Cytoplasm
B. Nucleoplasm
C. Extracellular fluid
, D. Matrix
Correct Answer: A
Rationale: Cytoplasm contains organelles and is the site of many
cellular reactions.
9. Which organelle detoxifies harmful substances in the cell?
A. Peroxisome
B. Ribosome
C. Lysosome
D. Golgi apparatus
Correct Answer: A
Rationale: Peroxisomes break down toxic substances such as
hydrogen peroxide.
10. Which structure regulates what enters and exits the cell?
A. Cytoplasm
B. Cell membrane
C. Nucleus
D. Golgi apparatus
Correct Answer: B
Rationale: The cell membrane controls the movement of substances
into and out of the cell.
11. Which structure is made of microtubules and helps in cell
division?
