C1.3 Photosynthesis

C1.3 Photosynthesis Quiz

IB Biology HL: Quiz

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5 questions, one answer each

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  1. 1. The oxygen released in photosynthesis comes from:

    • A. Carbon dioxide
    • B. Water
    • C. Glucose
    • D. RuBP

  2. 2. HL: Where do protons accumulate during the light-dependent reactions?

    • A. Stroma
    • B. Thylakoid space
    • C. Cytoplasm of the leaf cell
    • D. Outer chloroplast envelope

  3. 3. HL: The product of carbon fixation by Rubisco is:

    • A. Triose phosphate
    • B. Glucose
    • C. Glycerate 3-phosphate
    • D. RuBP

  4. 4. HL: If glucose is the product, what fraction of triose phosphate is recycled to RuBP?

    • A. One-sixth
    • B. One-half
    • C. Five-sixths
    • D. All of it

  5. 5. HL: NADP is reduced by electrons from:

    • A. Photosystem II
    • B. Photosystem I
    • C. ATP synthase
    • D. Rubisco

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