BIOD 152 Module 4 Exam

BIOD 152 Module 4 Exam




Cell Structure and Function (Sample of 40 out of 100)

Question 1: Which organelle is responsible for producing ATP through cellular respiration?

 A) Nucleus
 B) Mitochondrion
 C) Lysosome
 D) Golgi apparatus
 Correct Answer: B

Question 2: What is the primary function of ribosomes?

 A) DNA replication
 B) Protein synthesis
 C) Lipid metabolism
 D) Waste removal
 Correct Answer: B

Question 3: The fluid mosaic model describes the structure of which cellular component?

 A) Cytoplasm
 B) Nucleus
 C) Plasma membrane
 D) Endoplasmic reticulum
 Correct Answer: C

Question 4: Which type of cell is characterized by the absence of a nucleus?

 A) Eukaryotic cell
 B) Prokaryotic cell
 C) Neuron
 D) Muscle cell
 Correct Answer: B

Question 5: The organelle responsible for photosynthesis in plant cells is the:

 A) Mitochondrion
 B) Ribosome
 C) Chloroplast

,  D) Vacuole
 Correct Answer: C

Question 6: Which of the following is not a function of the smooth endoplasmic reticulum?

 A) Lipid synthesis
 B) Detoxification of drugs
 C) Protein synthesis
 D) Calcium storage
 Correct Answer: C

Question 7: The structure that maintains the shape of a cell and protects it from external
stress is the:

 A) Cell membrane
 B) Cell wall
 C) Cytoskeleton
 D) Nucleus
 Correct Answer: B

Question 8: Which process involves the movement of water across a selectively permeable
membrane?

 A) Diffusion
 B) Osmosis
 C) Active transport
 D) Facilitated diffusion
 Correct Answer: B

Question 9: Which organelle is responsible for modifying, sorting, and packaging proteins
for secretion?

 A) Mitochondrion
 B) Endoplasmic reticulum
 C) Golgi apparatus
 D) Lysosome
 Correct Answer: C

Question 10: Which cellular structure is responsible for generating spindle fibers during cell
division?

 A) Centriole
 B) Lysosome
 C) Nucleus
 D) Vacuole
 Correct Answer: A

2. Genetics and Molecular Biology (Sample of 40 out of 100)

Question 11: The basic unit of heredity that is transferred from parent to offspring is a: