Can a question be started with the word how?

Yes, absolutely! The word "how" is a common way to start a question. It signals that you're asking about a process, method, or explanation. Here are some examples:

* How do you make a cake?

* How did you get here?

* How is the weather today?

* How much does this cost?

"How" is a versatile word that can be used to ask a wide range of questions.