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STD 12 - 1. sexual reproduction in flowering plants — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 1. sexual reproduction in flowering plants1 Mark
MCQ
Bisexual flowers which never open, demonstrate
  • ✓
    Cleistogamy
  • B
    Allogamy
  • C
    Autogamy
  • D
    None of these
✓

Answer

Correct option: A.
Cleistogamy
a
(a) Some plants never open to ensure complete self-pollination.

This condition is called cleistogamy e.g., Commelina bengalensis, Oxalis, Viola, etc.

The cleistogamous flower are bisexual small, inconspicious, colourless and do not secrete nectar.

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