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Grade 9 Cell Biology Worksheet with Answers

Grade 9 (US) · Year 10 (UK) · Class 9 (India) · Biology

Unit 1: Chemistry of Life & CellsCells

Cell structure and the jobs of organelles such as the nucleus, cell membrane and mitochondria, plus plant vs animal cells. This free high school worksheet has 17 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Cell Biology

Grade 9 · Biology

Score___ / 17

Name

Class

Date

Learning goal: Cells

Directions: This worksheet has 2 parts. Read the instructions at the start of each part.

Example

What jelly-like substance fills the cell?

Answer: cytoplasm

Part A

Label the diagram. Use the words in the box.

Word bank

vacuolecell membranenucleuscell wallchloroplast
12345
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
Part B

Answer each question. Use full sentences where you can.

  1. 6

    What structure surrounds and supports a plant cell (that animal cells lack)?

  2. 7

    Which organelles make proteins?

  3. 8

    Which part of the cell controls its activities and holds DNA?

  4. 9

    What large storage sac holds water in a plant cell?

  5. 10

    What is the order of organization from smallest to largest: organ, cell, organism, tissue, organ system?

  6. 11

    Which green structures in plant cells carry out photosynthesis?

  7. 12

    What do we call a living thing made of only one cell?

  8. 13

    What thin layer controls what enters and exits a cell?

  9. 14

    Which part of the cell releases energy from food?

  10. 15

    What is the difference between prokaryotic and eukaryotic cells?

  11. 16

    Who first named cells after looking at cork under a microscope?

  12. 17

    Name three structures plant cells have that animal cells don't.

★ Challenge corner for fast finishers

A ball is thrown straight up. What is its speed at the very top?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/biology/9/cell_biology

Answer key (click to show)
  1. 1.cell wall
  2. 2.cell membrane
  3. 3.nucleus
  4. 4.chloroplast
  5. 5.vacuole
  6. 6.the cell wall
  7. 7.ribosomes
  8. 8.the nucleus
  9. 9.the (central) vacuole
  10. 10.cell, tissue, organ, organ system, organism
  11. 11.chloroplasts
  12. 12.unicellular (single-celled)
  13. 13.the cell membrane
  14. 14.the mitochondria
  15. 15.eukaryotic cells have a nucleus; prokaryotic cells (like bacteria) do not
  16. 16.Robert Hooke
  17. 17.cell wall, chloroplasts and a large central vacuole
  18. ★zero (for an instant) (challenge corner)

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