SSC General Science & Technology Sample Paper NCERT Sample Paper-4

  • question_answer
    The plants face wilting due to the use of excessive fertilizers, because of

    A)  exosmosis        

    B)  endosmosis

    C)  Imbibition        

    D)  all of these

    Correct Answer: A

    Solution :

    [a] As a result of excessive use of fertilizers, the available water to the plants become hypertonic in relation to cell sap of the plants. Therefore water molecules diffuse of the plant cells. This process is termed as exosmosis, which is responsible for wilting of plants.

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