Cells - The Basic Unit of Living Organisms

Which of the following is an example of a Prokaryotic cell?

• E. coli

• Cells found in a dog

• Cells found in a mango tree

• Human cells

What are unicellular organisms?

• One organism.

• Many organisms.

• Organisms with only one cell.

• Organisms with more than one cells.

Which of the following does NOT belong in an animal cell?

• Mitochondria

• Nucleus

• Cell wall

• Cell membrane

Which of the following structures is responsible for releasing energy via aerobic respiration?

• Nucleus

• Mitochondria

• Cytoplasm

• Endoplasmic reticulum

Why do muscle cells contain more mitochondria as compared to the other cells of the body?

• Energy is not needed by other cells.

• Only muscle cells need mitochondria.

• Because muscle cells require a lot more energy for movement.

• Because the other cells have enough energy.

Which part of the cell controls what enters and leaves the cell?

• Cytoplasm

• Cell wall

• Nucleus

• Cell membrane.

Which of the following are true about the cell wall in plant cells?

• It is made of cellulose fibers.

• It allows for the cell to stretch without bursting.

• It is partially permeable.

• Cellulose cannot be digested by humans.

Which of the following is made up of a thin layer of fat and protein?

• Cell wall

• Cell membrane

• Nucleus

• Mitochondria

What are metabolic reactions?

• Chemical reactions that occur within the cell.

• Reactions involving metals.

• Required for digestion of food.

• Make us digest food faster.

In what form do plants store glucose?

• Glycogen

• Starch grains

• Glucose

• Carbohydrates