Science 7 Quiz #2 2nd Quarter

What is the basic unit of life?

• Atom
• Cell
• Molecule
• Organ

Which part of the cell controls most of its activities?

• Mitochondria
• Ribosome
• Nucleus
• Golgi apparatus

Which organelle is known as the "powerhouse of the cell"?

• Nucleus
• Mitochondria
• Lysosome
• Endoplasmic Reticulum

In plant cells, the organelle responsible for photosynthesis is the:

• Nucleus
• Chloroplast
• Ribosome
• Vacuole

The cell membrane's main function is to:

• Produce energy
• Control what enters and exits the cell
• Store genetic material
• Break down waste

Which of these structures is present in plant cells but not in animal cells?

• Cell wall
• Nucleus
• Cytoplasm
• Ribosome

What is the function of the ribosomes in a cell?

• Energy production
• Protein synthesis
• Digestion of materials
• Transport of substances

Which part of the cell is responsible for packaging and distributing proteins?

• Lysosome
• Golgi apparatus
• Ribosome
• Vacuole

Which organelle contains digestive enzymes to break down waste?

• Lysosome
• Mitochondria
• Nucleus
• Chloroplast

The jelly-like substance that fills the inside of a cell is called the:

• Cytoplasm
• Nucleus
• Cell wall
• Vacuole