- A) Cilia
 - B) Flagella
 - C) Pili
 - D) Microvilli
 
Cell Biology MCQ
Total MCQ: 52
12 Which organelle is known for its role in cellular respiration?
- A) Ribosome
 - B) Mitochondria
 - C) Endoplasmic reticulum
 - D) Lysosome
 
13 What is the main role of the rough endoplasmic reticulum?
- A) Lipid synthesis
 - B) Protein synthesis
 - C) DNA replication
 - D) Cellular respiration
 
14 What is the semi-fluid substance inside the cell membrane called?
- A) Cytoplasm
 - B) Nucleus
 - C) Endoplasmic reticulum
 - D) Cell wall
 
15 What is the role of vacuoles in plant cells?
- A) Photosynthesis
 - B) Storage of nutrients and waste
 - C) Cellular respiration
 - D) Protein synthesis
 
16 What is the purpose of cellular differentiation?
- A) To produce energy
 - B) To create genetic variation
 - C) To form specialized cells
 - D) To replicate DNA
 
17 What is the fluid-filled space inside the cell membrane called?
- A) Cytoplasm
 - B) Nucleus
 - C) Endoplasmic reticulum
 - D) Golgi apparatus
 
18 What is the role of the central vacuole in plant cells?
- A) Photosynthesis
 - B) Storage of nutrients and waste
 - C) Cellular movement
 - D) Cell division
 
19 What is the primary component of the cell membrane?
- A) Carbohydrates
 - B) Proteins
 - C) Lipids
 - D) Nucleic acids
 
20 What is the function of the cell membrane’s phospholipid bilayer?
- A) Energy production
 - B) Structural support
 - C) Selective permeability
 - D) Protein synthesis