WB JEE Medical WB JEE Medical Solved Paper-2007

  • question_answer
    Which of the following factor is biotic?

    A)  Photoperiod

    B)  \[C{{O}_{2}}\]content to the soil

    C)  Texture and porosity of soil

    D)  Rainfall

    Correct Answer: B

    Solution :

                    \[C{{O}_{2}}\] content to the soil is a biotic factor because \[C{{O}_{2}}\]is released through the plants in soil by respiration process.


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