1 Which of the following is a characteristic of a plant cell? A It has a cell membrane only B It has a cell wall C It lacks chloroplasts D It has a small vacuole
2 Which organelle contains digestive enzymes to break down waste? A Ribosome B Lysosome C Golgi apparatus D Endoplasmic reticulum
3 What is the function of the nuclear membrane? A To make proteins B To protect the nucleus C To produce energy D To store water
4 What is the function of the Golgi apparatus? A To produce energy B To package and transport proteins C To make ribosomes D To store genetic material
6 What is the main difference between plant and animal cells? A Plant cells have a nucleus B Animal cells have mitochondria C Plant cells have a cell wall and chloroplasts D Animal cells have a cell membrane
7 Which organelle is responsible for packaging proteins into vesicles? A Ribosome B Golgi apparatus C Endoplasmic reticulum D Lysosome
8 What is the function of the nucleolus? A To make DNA B To make ribosomes C To store water D To produce energy
9 Which organelle is known as the powerhouse of the cell? A Nucleus B Ribosome C Mitochondria D Golgi apparatus
10 Which organelle is involved in cellular respiration? A Chloroplast B Mitochondria C Ribosome D Vacuole
11 What is the role of the endoplasmic reticulum? A To produce energy B To synthesize and transport proteins and lipids C To store waste D To control cell division
12 Which organelle is found in large numbers in muscle cells? A Ribosome B Mitochondria C Chloroplast D Lysosome
13 Which organelle is responsible for the synthesis of ribosomal RNA? A Nucleus B Nucleolus C Ribosome D Golgi apparatus
14 Which structure controls all the activities of the cell? A Cell membrane B Nucleus C Cytoplasm D Vacuole
15 Which organelle is responsible for detoxifying harmful substances? A Lysosome B Smooth endoplasmic reticulum C Rough endoplasmic reticulum D Golgi apparatus
16 What is the main function of the large central vacuole in plant cells? A To maintain turgor pressure B To make proteins C To produce energy D To control cell activities
17 What is the difference between prokaryotic and eukaryotic cells? A Prokaryotic cells have a nucleus B Eukaryotic cells have membrane-bound organelles C Prokaryotic cells are larger D Eukaryotic cells do not have DNA
18 Which of the following is not a part of the cell theory? A All living things are made of cells B The cell is the basic unit of life C All cells arise from pre-existing cells D Cells contain a nucleus
19 What is the function of the mitochondria in the cell? A To produce food B To release energy through respiration C To store water D To make proteins
20 What is the function of the rough endoplasmic reticulum? A To make lipids B To make proteins with ribosomes attached C To store calcium D To digest waste
22 Which organelle is responsible for protein synthesis? A Mitochondria B Ribosome C Lysosome D Nucleus
23 Which organelle is responsible for producing ATP? A Chloroplast B Mitochondria C Ribosome D Nucleus
24 Which structure is found in both plant and animal cells? A Cell wall B Chloroplast C Nucleus D Large central vacuole
25 Which of the following is an example of a prokaryotic cell? A Plant cell B Animal cell C Bacterium D Fungal cell