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Grade 6 Science · Cells and Cell Structure

Grade 6 Cells and Cell Structure Practice Test

Build Grade 6 Science skills with five 10-question practice tests on cell theory, organelles, plant and animal cells, prokaryotic and eukaryotic cells, microscopy, and levels of organization.

Cells and Cell Structure Practice Tests

These Grade 6 Science practice tests help students understand cell theory, cell membranes, cytoplasm, nuclei, mitochondria, ribosomes, chloroplasts, vacuoles, cell walls, and other organelles. Students also compare plant, animal, prokaryotic, and eukaryotic cells and practice interpreting microscope observations.

Skills covered

  • Explaining the main ideas of cell theory
  • Connecting organelle structures with their functions
  • Comparing plant and animal cells
  • Distinguishing prokaryotic and eukaryotic cells
  • Understanding unicellular and multicellular organization
  • Using microscopes and interpreting cell observations

How to use these practice tests

Review the function of each organelle before beginning. When answering, focus on the defining feature in the question, compare the structures named in the choices, and connect cell parts to the jobs they perform. For observation questions, use evidence from the sample or microscope description.

For more Grade 6 Science practice, return to the Grade 6 Science category.

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Grade 6 Cells and Cell Structure Practice Tests

A 10-question Grade 6 Science practice test on cell theory, organelles, plant and animal cells, prokaryotic and eukaryotic cells, microscopy, and levels of organization.

Identify cell structures, connect each organelle to its function, compare cell types, and use evidence from observations to answer each question.

10 Questions
0/10 Questions0 %
Correct 0
Incorrect 0
Unanswered 10
1. QuestionMultiple choice

Which structure is found in a plant cell but not an animal cell?

Please select an answer first.

Correct answer: A

The correct answer is A chloroplast.

  1. Identify the cell concept: Determine whether the question asks about cell theory, an organelle, cell type, or a level of organization.
  2. Connect structure and function: Plant cells contain chloroplasts for capturing light energy, while animal cells do not.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

Plant cells contain chloroplasts for capturing light energy, while animal cells do not.

2. QuestionMultiple choice

Which feature helps a plant cell keep a firm shape?

Please select an answer first.

Correct answer: B

The correct answer is The cell wall and water-filled central vacuole.

  1. Identify the cell concept: Determine whether the question asks about cell theory, an organelle, cell type, or a level of organization.
  2. Connect structure and function: The rigid cell wall and pressure from the central vacuole support the plant cell.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

The rigid cell wall and pressure from the central vacuole support the plant cell.

3. QuestionMultiple choice

Why do plant cells need chloroplasts?

Please select an answer first.

Correct answer: C

The correct answer is They use light energy to help make food..

  1. Identify the cell concept: Determine whether the question asks about cell theory, an organelle, cell type, or a level of organization.
  2. Connect structure and function: Chloroplasts are the organelles where photosynthesis begins using light energy.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

Chloroplasts are the organelles where photosynthesis begins using light energy.

4. QuestionMultiple choice

Which statement correctly compares plant and animal cells?

Please select an answer first.

Correct answer: D

The correct answer is Both have cell membranes, but plant cells also have cell walls and chloroplasts..

  1. Identify the cell concept: Determine whether the question asks about cell theory, an organelle, cell type, or a level of organization.
  2. Connect structure and function: Both cell types share basic structures, while plant cells have additional structures for support and photosynthesis.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

Both cell types share basic structures, while plant cells have additional structures for support and photosynthesis.

5. QuestionMultiple choice

Which cell feature is most useful for an animal cell that must change shape?

Please select an answer first.

Correct answer: A

The correct answer is A flexible cell membrane without a rigid cell wall.

  1. Identify the cell concept: Determine whether the question asks about cell theory, an organelle, cell type, or a level of organization.
  2. Connect structure and function: Animal cells can change shape more easily because they do not have a rigid cell wall.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

Animal cells can change shape more easily because they do not have a rigid cell wall.

6. QuestionMultiple choice

A cell has a cell wall, chloroplasts, and a large central vacuole. What type of cell is it?

Please select an answer first.

Correct answer: B

The correct answer is A plant cell.

  1. Identify the cell concept: Determine whether the question asks about cell theory, an organelle, cell type, or a level of organization.
  2. Connect structure and function: Those three structures are characteristic features of plant cells.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

Those three structures are characteristic features of plant cells.

7. QuestionMultiple choice

Why are animal cells often surrounded by an extracellular matrix or other support structures?

Please select an answer first.

Correct answer: C

The correct answer is Support structures help cells attach, communicate, and maintain organization..

  1. Identify the cell concept: Determine whether the question asks about cell theory, an organelle, cell type, or a level of organization.
  2. Connect structure and function: Support outside the cell can help animal cells connect and function as tissues.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

Support outside the cell can help animal cells connect and function as tissues.

8. QuestionMultiple choice

Which structure lets a plant cell carry out photosynthesis?

Please select an answer first.

Correct answer: D

The correct answer is The chloroplast.

  1. Identify the cell concept: Determine whether the question asks about cell theory, an organelle, cell type, or a level of organization.
  2. Connect structure and function: Chloroplasts contain light-absorbing pigments and the structures needed for photosynthesis.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

Chloroplasts contain light-absorbing pigments and the structures needed for photosynthesis.

9. QuestionMultiple choice

What would most likely happen if a plant cell lost much of the water in its central vacuole?

Please select an answer first.

Correct answer: A

The correct answer is The cell would lose pressure and become less firm..

  1. Identify the cell concept: Determine whether the question asks about cell theory, an organelle, cell type, or a level of organization.
  2. Connect structure and function: Water pressure in the vacuole helps keep plant cells firm.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

Water pressure in the vacuole helps keep plant cells firm.

10. QuestionMultiple choice

Why can plant and animal cells have different structures?

Please select an answer first.

Correct answer: B

The correct answer is Their structures are adapted to different functions and ways of obtaining materials..

  1. Identify the cell concept: Determine whether the question asks about cell theory, an organelle, cell type, or a level of organization.
  2. Connect structure and function: Cell structures reflect the needs of the organism and the jobs the cells perform.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

Cell structures reflect the needs of the organism and the jobs the cells perform.

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Frequently asked questions about Grade 6 Cells and Cell Structure

What topics are covered?

The page covers cell theory, organelles, cell membranes, plant and animal cells, prokaryotic and eukaryotic cells, microscopy, cell observations, and levels of organization.

What is the best way to study cell structure?

Study each organelle by matching its structure to its function, then compare which structures are shared by plant, animal, prokaryotic, and eukaryotic cells.

How many questions are on this page?

The page includes five mini tests with 10 questions each, for 50 Grade 6 Cells and Cell Structure questions in total.