Science Kids: All About Animal Cells and Plant Cells

What is a cell?

• An organism that breathes air

• The basic unit of all living things

• A type of tiny plant

• A green pigment found in plant leaves

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Which of the following functions or jobs do cells perform?

• Converting energy

• Digesting food

• Getting rid of waste

• All of the above

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About how many cells are in the average human body?

• Two million

• One hundred million

• Three trillion

• More than 37 trillion

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What do we call the part of the cell that is considered the brain of the cell because it controls and directs all of the cell's activities?

• The nucleus

• The organelle

• The chamber

• Cytoplasm

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Which of these is stored in the vacuoles?

• The nucles

• The organelle

• The chamber

• All of the above

Which part of the cell is responsible for helping the cell keep its shape and allowing substances in and out of the cell?

• Mitochondria

• Cell membrane

• Organism

• Nutrients

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Why are vacuoles in plant cells larger than vacuoles in animal cells?

• Vacuoles in plant cells are made from different materials than vacuoles in animal cells.

• Vacuoles in plant cells aren't used as much as vacuoles in animal cells.

• Vacuoles in plant cells need to store more water than vacuoles in animal cells.

• A and B

What is the job or function of cell walls in plant cells?

• Cell walls control the activities of plant cells

• Cell walls convert energy into food for plant cells

• cell walls cushion the parts of plant cells

• Cell walls give structure and support to plant cells.

Why do cells need to divide?

• In order to help the organism grow

• To replace damaged or dead cells

• To create new organisms

• All of these

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What is the name of the process in which cells divide to create exact copies of themselves?

• Mitosis

• Photosynthesis

• Digestion

• Reproduction

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