How do you get a nidoqueen in Pokemon FireRed?

You can't get a Nidoqueen in Pokemon FireRed directly. Nidoqueen is a female Pokemon that evolves from Nidorina, and Nidorina evolves from Nidoran (Female).

Here's how to get a Nidoqueen in FireRed:

1. Catch a Nidoran (Female): You can find them in the following locations:

* Route 11: Near the entrance to Viridian Forest.

* Viridian Forest: Inside the forest.

* Route 24: Near the entrance to Rock Tunnel.

* Rock Tunnel: Inside the tunnel.

2. Evolve Nidoran (Female) into Nidorina: Nidoran (Female) evolves into Nidorina at level 16.

3. Evolve Nidorina into Nidoqueen: Nidorina evolves into Nidoqueen by using a Moon Stone. You can find Moon Stones in the following locations:

* Route 3: Along the route.

* Route 7: Along the route.

* Cerulean Cave: Inside the cave.

Note: You will need to find a Moon Stone in order to evolve your Nidorina into a Nidoqueen. Make sure to keep an eye out for them!