First slide

Pre-fertilisation : Structures and Events

Question

Go through the above figure showing a dissected flower of Hibiscus showing pistil. Identify A, B, C and D respectively

Easy

A

Hilum, carpel, ovary and thalamus
B

Stigma, style, ovary and thalamus
C

Stigma, style, ovary and anthophore
D

Stigma, style, gynophore, placenta

Solution

A: Stigma : Serves as a landing platform for pollen grains.
B: Style: elongated slender part beneath the stigma.
C: Ovary: The basal bulged part of the pistil
D- Thalamus: Thickened part of stem from where flowers grow.

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