- Which organelle is considered the “powerhouse” of the cell?
- A) Nucleus
- B) Ribosome
- C) Mitochondria
- D) Golgi apparatus
- What is the primary function of the cell membrane?
- A) To protect the cell
- B) To control what enters and exits the cell
- C) To store nutrients
- D) To produce energy
- Which organelle is responsible for protein synthesis?
- A) Lysosome
- B) Ribosome
- C) Mitochondria
- D) Chloroplast
- What does the endoplasmic reticulum do?
- A) Synthesizes lipids and proteins
- B) Stores genetic information
- C) Digests waste
- D) Provides energy
- Where is the genetic material of a cell found?
- A) Cytoplasm
- B) Nucleus
- C) Ribosome
- D) Mitochondria
- Which part of the cell is known as the “post office” of the cell?
- A) Golgi apparatus
- B) Lysosome
- C) Endoplasmic reticulum
- D) Nucleus
- What role do lysosomes play in the cell?
- A) Energy production
- B) Digestion of waste
- C) Protein synthesis
- D) Photosynthesis
- What is the function of the cell wall in plant cells?
- A) To control substance movement
- B) To provide support and protection
- C) To conduct photosynthesis
- D) To digest waste
- Which structure is involved in cell division?
- A) Ribosome
- B) Centriole
- C) Chloroplast
- D) Golgi apparatus
- What does the chloroplast do?
- A) Provides energy through cellular respiration
- B) Digests cellular waste
- C) Conducts photosynthesis
- D) Modifies proteins
- Which organelle is involved in the synthesis of steroids and lipids?
- A) Smooth endoplasmic reticulum
- B) Rough endoplasmic reticulum
- C) Golgi apparatus
- D) Lysosome
- What is the role of the nucleolus?
- A) DNA replication
- B) RNA synthesis
- C) Protein modification
- D) Lipid synthesis
- Where does cellular respiration occur?
- A) Mitochondria
- B) Chloroplast
- C) Ribosome
- D) Lysosome
- What structure in animal cells helps in the organization of microtubules?
- A) Ribosome
- B) Centriole
- C) Endoplasmic reticulum
- D) Golgi apparatus
- Which organelle is involved in the breakdown of fatty acids and detoxification?
- A) Peroxisome
- B) Lysosome
- C) Ribosome
- D) Chloroplast
- What is the primary component of the cell membrane?
- A) Carbohydrates
- B) Proteins
- C) Lipids
- D) Nucleic acids
- What function does the central vacuole serve in plant cells?
- A) Storage of nutrients and waste
- B) Photosynthesis
- C) Protein synthesis
- D) Cellular respiration
- What is the function of ribosomes?
- A) To produce proteins
- B) To store genetic material
- C) To digest cellular waste
- D) To convert sunlight into energy
- Which structure is known for its role in modifying and packaging proteins?
- A) Golgi apparatus
- B) Smooth endoplasmic reticulum
- C) Lysosome
- D) Mitochondria
- In which part of the cell does the synthesis of ATP occur?
- A) Ribosome
- B) Golgi apparatus
- C) Mitochondria
- D) Endoplasmic reticulum
- Which organelle is responsible for the synthesis of ribosomal RNA (rRNA)?
- A) Nucleus
- B) Chloroplast
- C) Mitochondria
- D) Ribosome
- What structure provides mechanical support and shape to animal cells?
- A) Cytoskeleton
- B) Cell wall
- C) Cell membrane
- D) Central vacuole
- Which part of the cell is selectively permeable?
- A) Nucleus
- B) Cell membrane
- C) Cell wall
- D) Cytoplasm
- What is the role of the rough endoplasmic reticulum?
- A) Lipid synthesis
- B) Protein synthesis
- C) Waste digestion
- D) Energy production
- What is a key difference between prokaryotic and eukaryotic cells?
- A) Eukaryotic cells have a nucleus
- B) Prokaryotic cells have mitochondria
- C) Eukaryotic cells lack ribosomes
- D) Prokaryotic cells have a Golgi apparatus
- Which organelle contains enzymes that digest cellular waste?
- A) Lysosome
- B) Ribosome
- C) Golgi apparatus
- D) Chloroplast
- What is the primary function of the cell wall in plant cells?
- A) To provide support and rigidity
- B) To regulate movement of substances
- C) To conduct cellular respiration
- D) To synthesize proteins
- Which part of the cell helps to maintain its shape and organization?
- A) Cytoskeleton
- B) Cell membrane
- C) Ribosome
- D) Endoplasmic reticulum
- What role does the Golgi apparatus play in the cell?
- A) Modifies, sorts, and packages proteins and lipids
- B) Breaks down waste
- C) Produces energy
- D) Synthesizes proteins
- What does the term “semi-permeable” refer to in relation to the cell membrane?
- A) Allows all substances to pass through
- B) Allows only some substances to pass through
- C) Does not allow any substances to pass through
- D) Acts as a rigid barrier
- Which organelle is responsible for maintaining homeostasis within the cell?
- A) Endoplasmic reticulum
- B) Cell membrane
- C) Ribosome
- D) Centriole
- What is the function of mitochondria in cellular metabolism?
- A) To produce ATP through cellular respiration
- B) To synthesize proteins
- C) To store nutrients
- D) To conduct photosynthesis
- Which cell structure is involved in intracellular transport?
- A) Endoplasmic reticulum
- B) Golgi apparatus
- C) Ribosome
- D) Lysosome
- What role do peroxisomes play in a cell?
- A) Break down fatty acids and detoxify harmful substances
- B) Store genetic information
- C) Produce ATP
- D) Transport materials
- What is the function of the nucleoplasm?
- A) Provides a medium for nuclear processes
- B) Breaks down cellular waste
- C) Synthesizes proteins
- D) Stores nutrients
- Which part of the cell is involved in the synthesis of lipids?
- A) Smooth endoplasmic reticulum
- B) Rough endoplasmic reticulum
- C) Golgi apparatus
- D) Lysosome
- What does the central vacuole do in plant cells?
- A) Stores water and nutrients
- B) Synthesizes proteins
- C) Breaks down waste
- D) Produces ATP
- What distinguishes eukaryotic cells from prokaryotic cells?
- A) Presence of a nucleus in eukaryotic cells
- B) Presence of cell wall in eukaryotic cells
- C) Presence of ribosomes in prokaryotic cells
- D) Presence of mitochondria in prokaryotic cells
- Which part of the cell is responsible for maintaining its structural integrity?
- A) Cytoskeleton
- B) Golgi apparatus
- C) Endoplasmic reticulum
- D) Lysosome
- What is the function of the cell membrane’s lipid bilayer?
- A) Acts as a barrier and controls substance movement
- B) Stores genetic information
- C) Synthesizes proteins
- D) Provides structural support
Answer Key
- C) Mitochondria
- B) To control what enters and exits the cell
- B) Ribosome
- A) Synthesizes lipids and proteins
- B) Nucleus
- A) Golgi apparatus
- B) Digestion of waste
- B) To provide support and protection
- B) Centriole
- C) Conducts photosynthesis
- A) Smooth endoplasmic reticulum
- B) RNA synthesis
- A) Mitochondria
- B) Centriole
- A) Peroxisome
- C) Lipids
- A) Storage of nutrients and waste
- A) To produce proteins
- A) Golgi apparatus
- C) Mitochondria
- A) Nucleus
- A) Cytoskeleton
- B) Cell membrane
- B) Protein synthesis
- A) Eukaryotic cells have a nucleus
- A) Lysosome
- A) To provide support and rigidity
- A) Cytoskeleton
- A) Modifies, sorts, and packages proteins and lipids
- B) Allows only some substances to pass through
- B) Cell membrane
- A) To produce ATP through cellular respiration
- A) Endoplasmic reticulum
- A) Break down fatty acids and detoxify harmful substances
- A) Provides a medium for nuclear processes
- A) Smooth endoplasmic reticulum
- A) Stores water and nutrients
- A) Presence of a nucleus in eukaryotic cells
- A) Cytoskeleton
- A) Acts as a barrier and controls substance movement