SSC General Science & Technology Sample Paper NCERT Sample Paper-1

  • question_answer
    The fundamental role of-root hairs in plants is:

    A)  To bind soil particles to the root for firm fixation of the plant

    B)  To protect the young root from damage by coarse soil particles

    C)  To absorb water and mineral salts from me soil

    D)  To protect the root from soil microbes

    Correct Answer: C

    Solution :

    [c] The function of root hairs is to collect water and mineral nutrients present in the soil and take this solution up through the roots to the rest of the plant. As root hair cells do not carry out photosynthesis they do not contain chloroplasts.

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