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Question
Tufts of hairs on seeds can be traced in
Tufts of hairs on seeds can be traced in
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Solution
The correct option is D All of the above
Seeds are produced by all flowering plants but differs in the way these are produced. While in angiosperms the seeds are enclosed, in gymnosperms these are naked. Irrespective of this, seeds performs several functions and key functions are nourishment for the embryo and disperals of plants. The structure of the seeds helps in its dispersal. Some have wings like pine that aid in dispersal, the seeds of orchids are dustlike and spread away by the wind, there are still others which have tufts of hair which gives them a bigger area to be caught by the wind for dispersal. Examples are seen in Giant milkweed (Calotropis procera), Clematis and Naravelia.
Thus, the correct answer is option D.
Seeds are produced by all flowering plants but differs in the way these are produced. While in angiosperms the seeds are enclosed, in gymnosperms these are naked. Irrespective of this, seeds performs several functions and key functions are nourishment for the embryo and disperals of plants. The structure of the seeds helps in its dispersal. Some have wings like pine that aid in dispersal, the seeds of orchids are dustlike and spread away by the wind, there are still others which have tufts of hair which gives them a bigger area to be caught by the wind for dispersal. Examples are seen in Giant milkweed (Calotropis procera), Clematis and Naravelia.
Thus, the correct answer is option D.
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