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Science Quiz – Test 20

Science quiz, test 20 of 20: 10 multiple-choice questions with answers. Try them, then play the interactive quiz on Zeno to earn XP.

  1. Question 191

    What is the most common gas in Earth's atmosphere?

    • A Oxygen
    • B Nitrogen
    • C Carbon Dioxide
    • D Hydrogen
    Show answer

    Correct answer: Nitrogen

  2. Question 192

    What is the process by which water is transported through plants from the roots to the leaves, primarily through specialized tissues?

    • A Condensation
    • B Transpiration
    • C Evaporation
    • D Xylem transport
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    Correct answer: Xylem transport

  3. Question 193

    What is the chemical element with the symbol 'N'?

    • A Neon
    • B Natrium
    • C Nickel
    • D Nitrogen
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    Correct answer: Nitrogen

  4. Question 194

    What is the first step in the process of glycolysis involving glucose breakdown?

    • A Amylase
    • B Hexokinase
    • C Protease
    • D Lactase
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    Correct answer: Hexokinase

  5. Question 195

    What is the name of the process by which plants lose water vapor to the atmosphere?

    • A Transpiration
    • B Condensation
    • C Percolation
    • D Evaporation
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    Correct answer: Transpiration

  6. Question 196

    What is the primary gas produced during photosynthesis by plants?

    • A Carbon Dioxide
    • B Methane
    • C Nitrogen
    • D Oxygen
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    Correct answer: Oxygen

  7. Question 197

    What is the process by which plants convert light energy into chemical energy, primarily through chlorophyll?

    • A Transpiration
    • B Photosynthesis
    • C Fermentation
    • D Respiration
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    Correct answer: Photosynthesis

  8. Question 198

    What is the primary mechanism by which plants uptake nutrients from the soil?

    • A Diffusion
    • B Active transport
    • C Osmosis
    • D Passive transport
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    Correct answer: Active transport

  9. Question 199

    What is the process by which light energy is used to convert carbon dioxide and water into glucose and oxygen in plants?

    • A Fermentation
    • B Photosynthesis
    • C Respiration
    • D Transpiration
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    Correct answer: Photosynthesis

  10. Question 200

    What is the primary pigment responsible for photosynthesis in plants?

    • A Chlorophyll
    • B Phycocyanin
    • C Carotene
    • D Xanthophyll
    Show answer

    Correct answer: Chlorophyll

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