Biology

9th

grade

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Biology TEK 10B

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12 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Leaves are part of a plants shoot system. The xylem tissue transports

    bacteria needed for nitrogen fixaton in root nodules

    the wax required to coat the surface of actively growing tissue

    the water and minerals that are absorbed by the roots

    the oxygen that regulates the rate of carbohydrate production

  • 2. Multiple Choice
    30 seconds
    1 pt

    Plant hormones serve as chemical messengers between cells and tissue. Auxin is a plant hormone that causes the cells on the shady side of a plant shoot to elongate. The response enabled by auxin is known as -

    geotropism

    transpiration

    phototropism

    photosythesis

  • 3. Multiple Choice
    30 seconds
    1 pt

    Copper is a micronutrient that can be found in soil. Copper is important for reproductive growth in plants and plays an indirect role in chlorophyll production. Which statement correctly describes the interaction that occurs between the root and the shoot systems of plant to allow reproduction to occur?

    Copper is produced in the roots when copper-containing compounds are hydrolyzed.

    Copper that is absorbed by the roots is transported to reproductive tissue by the shoot system.

    The shoot system stores copper for later use by the roots and the reproductive structures.

    The shoot system transports copper to the roots after it is taken in through stomata in the leaves.

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