First slide

Pre-fertilisation : Structures and Events

Question

A cell X floats in the cytoplasm of cell Y. The cell X is spindle shaped and the cell Y has a large irregularly shaped nucleus. Identify cell X and cell Y.

Easy

A

X- Antipodal cell and Y- Central cell
B

X- Generative cell and Y- Vegetative cell
C

X- Vegetative cell and Y- Microspore
D

X- Synergids and Y- Egg cell

Solution

The generative cell is small and floats in the cytoplasm of the vegetative cell. It is spindle shaped with dense cytoplasm and a nucleus. The vegetative cell is bigger, has abundant food reserve and a large irregularly shaped nucleus.

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