Reflection and symmetry

Udit placed a mirror partly covering the fish as under.

What should be the image visible in the mirror$?$

Choose the figure with which provides the reflection symmetry when line of symmetry is drawn horizontally.

Choose the figure with which provides the reflection symmetry when line of symmetry is drawn vertically.

For the given figure, which one is the mirror line, $\mathrm{L}1$ or $\mathrm{L}2$?

Select the mirror image of figure (X), if the mirror is placed along MN. 

Find the mirror image of the figure given below.