1.

    A researcher observes that water absorption by roots is significantly reduced when the plant is treated with a respiratory inhibitor. Which of the following best explains this observation?

    A

    Respiratory inhibitors directly block aquaporin function, preventing water movement.

    B

    Respiration is essential for maintaining root cell turgidity, which is directly linked to water absorption.

    C

    Active transport of ions into the root cells requires energy, creating a water potential gradient that drives water uptake.

    D

    Inhibition of respiration disrupts the cohesion-tension theory, preventing water movement through the xylem.

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    Related Questions

    1.

        Select the correct statement

    A

    Water can be absorbed passively by roots

    B

        Ions are generally absorbed from soil by both active and passive transport

    C

        photosynthetic system is evolved for maximising the availability of and to minimise loss of water

    D

        All of the above

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