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Green plants respire by taking in both c...

Green plants respire by taking in both carbon dioxide and oxygen.

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Why do green plants start evolving carbon dioxide instead of oxygen on a hot sunny day ?

(a) What would happen if all the green plants disappear from the earth ? (b) If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring ? Justify your answer.

Knowledge Check

  • Green plants appear to release oxygen instead of carbon dioxide into the atmosphere during the daytime because

    A
    green plants respire during the night time
    B
    green plants respire during the daytime, but are involved in photosynthesis during the night time
    C
    the rate of photosynthesis is higher than the rate of respiration during the daytime
    D
    green plants do not respire during the night time

  • Green plants appear to release oxygen instead of carbon dioxide into the atmosphere during the daytime because

    A
    green plants respire during the night time
    B
    green plants respire during the daytime, but are involved in photosynthesis during the night time
    C
    the rate of photosynthesis is higher than the rate of respiration during the daytime
    D
    green plants do not respire during the night time

  • External respiration allows the exchangeof carbon dioxide for oxygen at any altitue which of he following is not an adaptaion to living high abouve the sea level ?

    A
    an increase in 2,3 bpg concentration which shifts the `O_(2)` dissociation curve to the right
    B
    increased porduction of red blood cells by the bone marrow
    C
    decreased systhesis of ertyropoietin by the kidney
    D
    hyperventilation

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    Explore conceptually related problems

    If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring? Justify your answer.

    If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring? Justify your answer.

    If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring ? Justify your answer.

    If a plant is releasing carbon dioxide and taking in oxyge during the day, does it mean that there is o photosynthesis occurring ? Justify your answer.

    In C_(4) plants, fixation of carbon dioxide occurs in

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