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

  • question_answer
    Nikita took a twig of Petunia plant and dipped it in a beaker containing dissolved coloured dye safranin. She left it for 1-2 hours. Now she prepared a section of this twig and observed it under the microscope.
    Which of the following is correctly represent the T.S of stem? (Note: The dark area is the place where the red colour is present.)
     

    A)                   

    B)         

    C)       

    D)

    Correct Answer: A

    Solution :

    Transportation of water and minerals upward through xylem. Xylem get red coloured due to transportation of safranin dissolved water through it in plants takes place.

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