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Sexual Reproduction in Flowering Plants — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSexual Reproduction in Flowering Plants1 Mark
MCQ
In a type of apomixis known as adventive embryony, embryos develop directly from the-
  • A
    Synergids or antipodals in an embryo sac
  • B
    Nucellus or integuments
  • C
    Zygote
  • D
    Accessory embryo sacs in the ovule
✓

Answer

  1. Nucellus or integuments

Explanation:

Apomixis does not involve gamete formation and fertilization as found in amphimixis.

Adventive embryo formation is a type of apomixis in which embryos are formed from diploid integumental or nucellar cells.

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