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  3. 7th Class
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  5. Transportation in Animals and Plants

7th Class Science Transportation in Animals and Plants Question Bank Transportation in Animals and Plants

  • question_answer
    An opening in xylem vessel through which lot of water can pass through.

    A) Lignin            

    B) Lumen

    C) Lamella                       

    D) Stomata

    Correct Answer: B

    Solution :

    Lumen


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