Cell Biology

What is the basic structural and functional unit of all living organisms?

• cell

• organ

• molecule

• atom

Name the outermost covering of a plant cell.

• Nucleus

• Cell wall

• Cell membrane

• Chloroplast

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

• Mitochondria

• Endoplasmic Reticulum

• Golgi Apparatus

• Ribosome

What is the function of the cell membrane?

• Controls the movement of substances in and out of the cell

• Stores genetic information

• Regulates the cell's shape

• Provides energy for the cell

What is the function of the nucleus in a cell?

• Cell wall formation

• Site of protein synthesis

• Control center and storage of genetic material

• Energy production

Which organelle is responsible for the digestion of waste materials in the cell?

• nucleus

• mitochondria

• lysosome

• endoplasmic reticulum

What are the two main functions of the cell wall in plant cells?

• Cell division and growth

• Energy production and storage

• Structural support and protection

• Gas exchange and respiration

What is the function of the endoplasmic reticulum in a cell?

• Waste elimination and excretion

• Protein and lipid synthesis, and transportation of molecules within the cell

• Cell division and replication

• Energy production and storage

What is the function of the chloroplast in a plant cell?

• Site of photosynthesis

• Site of cellular respiration

• Storage of water and nutrients

• Protection against pathogens

What are the three main components of the cell membrane?

• Carbohydrates, nucleic acids, and water

• Phospholipids, proteins, and cholesterol

• Proteins, cellulose, and DNA

• Lipids, carbohydrates, and nucleic acids