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AP BIOLOGY

1. Chemistry of Life

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2. Cells

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3. Cellular Energetics

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4. Cell Communication and Cell Cycle

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5. Heredity

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6. Gene Expression and Regulation

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7. Natural Selection

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8. Ecology

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AP Biology - Plants and Human Body Systems

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AP Biology - Laboratory review

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AP Biology - Diagnostic exam

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AP Biology - Practice Test 1

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AP Biology - Practice Test 2

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Quiz

3.4 Photosynthesis – Check yourself

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Photosynthesis AP Biology check yourself quiz: free practice for AP Biology. Work through this Photosynthesis AP Biology check yourself quiz and get instant feedback on every answer. If you get stuck, review the 3.4 Photosynthesis — Notes lesson. More practice: AP Biology — all units. Syllabus: College Board ap biology course page.

  • Questions count: 8
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Which statement best describes Rubisco?
Which statement best describes Rubisco?
In stroma; fixes CO₂ into G3P.
Adaptations reducing photorespiration.
Enzyme fixing CO₂ to RuBP.
Makes NADPH.
2.
Which step comes first in the sequence covered in this lesson?
Which step comes first in the sequence covered in this lesson?
Light excites PSII
ATP synthase → ATP
Water split → O₂
Electron transport
3.
According to the comparison table in this lesson, what is the Energy of C4 pathway?
According to the comparison table in this lesson, what is the Energy of C4 pathway?
Stages of photosynthesis
Chemical storage
Water saving
Light → chemical
Extra ATP
4.
Which statement best describes Photosystem II?
Which statement best describes Photosystem II?
Rubisco fixes O₂; wastes energy.
Splits water; first in the chain.
In stroma; fixes CO₂ into G3P.
Adaptations reducing photorespiration.
5.
In the sequence covered in this lesson, which step comes immediately after ATP synthase → ATP?
In the sequence covered in this lesson, which step comes immediately after ATP synthase → ATP?
Light excites PSII
PSI → NADPH
Electron transport
H⁺ gradient
6.
According to the comparison table in this lesson, what is the Inputs of C4 pathway?
According to the comparison table in this lesson, what is the Inputs of C4 pathway?
Stages of photosynthesis
CO₂ at night
CO₂
CO₂, ATP, NADPH
Light, H₂O, ADP, NADP⁺
7.
Which key term matches this description: "Enzyme fixing CO₂ to RuBP."
Which key term matches this description: "Enzyme fixing CO₂ to RuBP."
Rubisco
Light-dependent reactions
Photosystem I
Chemiosmosis
8.
Complete the statement: The Calvin cycle occurs in the ______.
Complete the statement: The Calvin cycle occurs in the ______.
C4 / CAM plants
Photorespiration
stroma
Calvin cycle
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Part of 3. Cellular Energetics — see every lesson and quiz in this unit.
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