7th Class Science Sample Paper Science Sample Paper - 8

  • question_answer
    Describe the various ways in which the seeds are dispersed.

    Answer:

    Following are the ways in which the seeds are dispersed:
    (i) Some light seeds like those of madar, which are hairy, dry and small are carried away by the wind to different places.
    (ii) Spiny seeds and fruits like those of xanthium and urena, stick to the clothes of passers-by and animals. These seeds are carried away by these agents to different places.
    (iii) In some plants having heavy seeds like those of coconut, water acts as the dispersing agent.
    (iv) Some seeds are dispersed with the fruit burst like in case of balsam and castor.   


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