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6th Class Science The Living Organisms and their Surrounding Question Bank Our Environment

  • question_answer
    Kanika noticed that her potted plant was not growing healthily. She put few earthworms into the pot. After a few weeks, she noticed that her plants looked healthier. What could be the possible reason for this?         

    A) The earthworms ate up the pests in the soil.                         

    B)        The earthworms helped the plant to take in water.                    

    C)        The earthworms allowed the plant to make food faster.                

    D)        The earthworms increased the air and nutrient content of the soil.        

    Correct Answer: D

    Solution :

    Earthworms mix upper layers of the soil with the lower layers while making -burrows. Their movement also aerates the soil. They also breakdown the organic waste present in soil, thus releasing the nutrients into the soil. Earthworm excreta is also rich in nutrients.


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