Study the following statements:
$I.$ $O_2$ helps in releasing metabolic energy,which is essential for growth.
$II.$ Nutrients are required by plants for the synthesis of protoplasm.
$III.$ Change in temperature could be detrimental for the survival of an organism.
$IV.$ Light and gravity do not affect the stages of growth.
Choose the correct option.

  • A
    $I, II, III$ and $IV$
  • B
    $I, II$ and $III$
  • C
    $I, III$ and $IV$
  • D
    $I, II$ and $IV$

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