Select the correct statement.

  • A
    Water can be absorbed passively by roots.
  • B
    Ions are generally absorbed from soil by both active and passive transport.
  • C
    $C_{4}$ photosynthetic system is evolved for maximizing the availability of $CO_{2}$ and to minimize the loss of water.
  • D
    All of the above.

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Similar Questions

If $CO_2$ is released during respiration,why does the concentration of $CO_2$ in the atmosphere remain relatively constant?

The balance between $CO_2$ and $O_2$ in the atmosphere is maintained by:

According to one estimate,how many $kg$ of carbon is fixed in the biosphere through photosynthesis annually?

$A-$ In chloroplast,the membrane system is responsible for trapping the light energy and also for the synthesis of $ATP$ and $NADPH$. This is called the light reaction.
$R-$ In the stroma,enzymatic reactions incorporate $CO_2$ into the plant,leading to the synthesis of sugar.

What is the effect of high $CO_{2}$ concentration and higher values of $ATP/ADP$ ratio?

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