$A$ match box exhibits

In a tetragonal crystal system,which of the following conditions is correct?

For which of the following substances are the axial distances equal?

What is the total number of Bravais lattices in the orthorhombic crystal system?

The crystal system of a compound with unit cell dimensions $a = 0.387 \ nm$,$b = 0.387 \ nm$ and $c = 0.504 \ nm$ and $\alpha = \beta = 90^{\circ}$ and $\gamma = 120^{\circ}$ is:

In a monoclinic unit cell,the relation of sides and angles are respectively