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The body of the ovule is fused within the funicle at:
The stalk attaching the ovule to the placenta is the Funicle. The region where the main body of the ovule fuses with the funicle is called the HILUM. Micropyle is the apical pore; Chalaza is the basal region; Nucellus is the central nutritive tissue. Mark Hilum (Option 1) in 5 seconds!
An ovule is a small structure attached to the placenta by means of a stalk called funicle.
NCERT states verbatim: "The body of the ovule fuses with funicle in the region called hilum. Thus, hilum represents the junction between ovule and funicle."
- Micropyle: Small pore at the tip of the integuments where integuments do not encircle the nucellus. - Chalaza: Represents the basal part of the ovule opposite the micropylar end. - Nucellus: The central mass of parenchymatous nutritive cells enclosed within the integuments.
The point of attachment and fusion between the ovule body and funicle is unequivocally the Hilum.
Diagnose every choice: Know exactly why the right option works and why distractors fail.
Factually exact; the hilum is the anatomical scar/region where the ovule body fuses with its funicular stalk.
Incorrect; micropyle is the narrow opening left by the integuments at the apex of the ovule for pollen tube entry.
Incorrect; nucellus is the central mass of diploid nutritive tissue enclosing the female gametophyte (embryo sac).
Incorrect; chalaza represents the basal region of the ovule opposite the micropyle.
In an ovule, the hilum is the junction between ovule body and funicle. In a mature seed, the hilum remains as a visible scar on the seed coat marking where it was attached to the fruit wall via the funicle.
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