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Grade 10 Photosynthesis & Respiration Worksheet with Answers

Grade 10 (US) · Year 11 (UK) · Class 10 (India) · Biology

Unit 2: Energy in Living ThingsPhotosynthesis & RespirationNGSS HS-LS1-5

Photosynthesis and cellular respiration: their inputs, outputs and where each takes place in the cell. This free high school worksheet has 16 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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Photosynthesis & Respiration

Grade 10 · Biology

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Class

Date

Learning goal: Photosynthesis & Respiration · NGSS HS-LS1-5

Directions: This worksheet has 3 parts. Read the instructions at the start of each part.

Part A

Label the diagram. Use the words in the box.

Word bank

sunlightwatercarbon dioxideoxygen
glucose1234
  1. 1
  2. 2
  3. 3
  4. 4
Part B

Match each clue to the right word. Write the letter in the box.

  1. 5What gas do plants take in for photosynthesis?
  2. 6What energy-carrying molecule does cellular respiration produce?
  3. 7What sugar is made during photosynthesis?
  4. 8Where in a plant cell does photosynthesis take place?
  5. 9What gas do plants release as a byproduct of photosynthesis?
  6. 10What pigment captures light energy for photosynthesis?
  • AChloroplasts
  • BATP
  • CCarbon dioxide
  • DGlucose
  • EOxygen
  • FChlorophyll
Part C

Answer each question. Use full sentences where you can.

  1. 11

    Write the general word equation for photosynthesis.

  2. 12

    Name two factors that can limit the rate of photosynthesis.

  3. 13

    Write the general word equation for aerobic respiration.

  4. 14

    Do plants carry out cellular respiration as well as photosynthesis?

  5. 15

    Which organelle is the site of cellular respiration in a cell?

  6. 16

    In what way are photosynthesis and cellular respiration opposites?

★ Challenge corner for fast finishers

If Earth stopped spinning, how long would one day (sunrise to sunrise) be?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/biology/10/bio_photosynthesis_respiration

Answer key (click to show)
  1. 1.sunlight
  2. 2.carbon dioxide
  3. 3.oxygen
  4. 4.water
  5. 5.C — carbon dioxide
  6. 6.B — ATP
  7. 7.D — glucose
  8. 8.A — the chloroplasts
  9. 9.E — oxygen
  10. 10.F — chlorophyll
  11. 11.carbon dioxide + water (+ light) → glucose + oxygen
  12. 12.light intensity, carbon dioxide concentration or temperature (any two)
  13. 13.glucose + oxygen → carbon dioxide + water (+ energy)
  14. 14.yes, all living cells respire
  15. 15.the mitochondria
  16. 16.photosynthesis stores energy from sunlight in glucose; respiration releases that stored energy
  17. ★about one year (challenge corner)

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