Leaves become modified into spines in

  • [NEET 2015]
  • A

    onion

  • B

    silk cotton

  • C

    Opuntia

  • D

    pea.

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You have heard about several insectivorous plants that feed on insects. Nepenthes or the pitcher plant is one such example, which usually grows in shallow water or in marsh lands. What part of the plant is modified into a pitcher ? How does this modification help the plant for food even though it can photosynthesize like any other green plant ?

Parallel venation occurs in