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NEETBotanySexual Reproduction in Flowering Plants

According to the morphological concept that a flower is a modified shoot, the shoot apical meristem changes to a floral meristem upon floral induction. What is the inevitable morphological consequence when the main shoot tip itself transforms into a flower?

Options

  1. AIt results in the formation of a racemose inflorescence.
  2. BThe resulting flower is always solitary.
  3. CThe floral axis continues to elongate indefinitely after flower formation.
  4. DIt leads to the exclusive production of axillary flowers.

Correct answer

B. The resulting flower is always solitary.

Step-by-step solution

A flower is a modified shoot wherein the shoot apical meristem changes to a floral meristem. When the main shoot tip itself transforms into a flower, the apical meristem is consumed in the formation of the floral parts. This terminates the growth of that specific axis (determinate growth). As explicitly stated in NCERT, when a shoot tip transforms into a flower, it is always solitary. It cannot form a racemose inflorescence because the main axis does not continue to grow indefinitely. It also does not refer to axil

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