Science

10th

grade

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Life processes

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15 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    How many pairs of salivary glands are found in

    humans?

    two

    three

    six

    four

  • 2. Multiple Choice
    30 seconds
    1 pt

    Blood vessel carry blood from lungs to heart through:

    Pulmonary artery

    Pulmonary vein

    Coronory artery

    None of these

  • 3. Multiple Choice
    30 seconds
    1 pt

    From which structure, the free oxygen gas produced

    during photosynthesis is released?

    Epidermis

    Stomata

    Cortex

    Guard cell

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