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.

4. Test

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

What is a prokaryotic cell?

Please select an answer first.

Correct answer: A

The correct answer is A cell that does not have a nucleus surrounded by a membrane.

  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: Prokaryotic cells have genetic material in a region of the cell rather than in a membrane-bound nucleus.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

Prokaryotic cells have genetic material in a region of the cell rather than in a membrane-bound nucleus.

2. QuestionMultiple choice

What is a eukaryotic cell?

Please select an answer first.

Correct answer: B

The correct answer is A cell with a membrane-bound nucleus and other membrane-bound organelles.

  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: Eukaryotic cells contain a nucleus and specialized membrane-bound organelles.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

Eukaryotic cells contain a nucleus and specialized membrane-bound organelles.

3. QuestionMultiple choice

Which organism is made of prokaryotic cells?

Please select an answer first.

Correct answer: C

The correct answer is A bacterium.

  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: Bacteria are prokaryotes, while mushrooms, trees, and humans are eukaryotic organisms.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

Bacteria are prokaryotes, while mushrooms, trees, and humans are eukaryotic organisms.

4. QuestionMultiple choice

Where is most genetic material located in a typical eukaryotic cell?

Please select an answer first.

Correct answer: D

The correct answer is Inside the nucleus.

  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 nucleus stores most of the genetic material in a typical eukaryotic cell.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

The nucleus stores most of the genetic material in a typical eukaryotic cell.

5. QuestionMultiple choice

Which structure is present in both prokaryotic and eukaryotic cells?

Please select an answer first.

Correct answer: A

The correct answer is A cell membrane.

  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 major cell types have a cell membrane that separates the cell from its surroundings.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

Both major cell types have a cell membrane that separates the cell from its surroundings.

6. QuestionMultiple choice

How are bacterial cells different from typical plant cells?

Please select an answer first.

Correct answer: B

The correct answer is Bacterial cells do not have a membrane-bound nucleus or membrane-bound organelles..

  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 absence of a membrane-bound nucleus is a defining difference between bacterial and plant cells.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

The absence of a membrane-bound nucleus is a defining difference between bacterial and plant cells.

7. QuestionMultiple choice

Why can a single-celled organism carry out all life processes?

Please select an answer first.

Correct answer: C

The correct answer is Its one cell contains structures and systems that perform the needed functions..

  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: A unicellular organism performs life functions within its one complete cell.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

A unicellular organism performs life functions within its one complete cell.

8. QuestionMultiple choice

Which statement about multicellular organisms is correct?

Please select an answer first.

Correct answer: D

The correct answer is They are made of many specialized cells that can work together..

  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: Multicellular organisms use specialized cells and levels of organization to perform complex functions.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

Multicellular organisms use specialized cells and levels of organization to perform complex functions.

9. QuestionMultiple choice

What is one advantage of specialized cells?

Please select an answer first.

Correct answer: A

The correct answer is Each cell can perform a particular job efficiently..

  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 specialization allows an organism to carry out many different functions effectively.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

Cell specialization allows an organism to carry out many different functions effectively.

10. QuestionMultiple choice

Why is a virus generally not classified as a cell?

Please select an answer first.

Correct answer: B

The correct answer is It lacks the complete cellular structures needed to carry out life processes independently..

  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: Viruses depend on host cells and do not have the complete organization of a living cell.
  3. Check the evidence: Use the defining feature of the cell structure to confirm the answer.

Viruses depend on host cells and do not have the complete organization of a living cell.

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.