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Which component of plants receives stimulus for flowering?

  • A.Stems
  • B.Branches
  • C.Leaves
  • D.Roots

Answer: C

The leaves receive the stimulus for flowering.

They contain the phytochrome that measures the length of the dark period, and produce the flowering signal - florigen, now identified as the FT protein - which travels through the phloem to the shoot tip, where the flower is actually formed.

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