BotanyAll minerals can not be passively absorbed by the roots because

All minerals can not be passively absorbed by the roots because

  1. A

    minerals are present in soil as ions

  2. B

    concentration of minerals in soil is usually higher, than that of minerals in root cells

  3. C

    ions cannot move across the cell wall of root cells

  4. D

    more than one option is correct

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    Solution:

    All minerals cannot be passively absorbed by the roots. This is because - 

    i) minerals are present in the soil as charged particles (ions) which cannot move across cell membranes

    ii) the concentration of minerals in the soil is usually lower than the concentration of minerals in the root

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