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: