Uttarakhand PMT Uttarakhand PMT Solved Paper-2010

  • question_answer
    A plant with low \[C{{O}_{2}}\] compensation point is

    A) Atriplex patula

    B) Leucopoa kingu

    C)  Gossypium hirsutum

    D) Tidestromia oblongifolia

    Correct Answer: D

    Solution :

    There will be a certain concentration of carbon dioxide in the atmosphere at which the rate of photosynthesis will be equal to the rate of respiration or in other words photosynthesis will just compensate for respiration and the value of apparent photosynthesis will be zero. This is called as carbon dioxide compensation point. Tidestromia oblongifolia is a \[{{C}_{4}}\]-plant and does not show photorespiration, ie, low compensation point.


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