Will React hooks work inside class components?

What are the possible types of state variable in useState hook?

What is/are the arguments accepted by the useState hook?

Please, select when the subscription happens with the following code:

Which hook lets us to perform side effects in functional components?

Is the component below defined correctly? 

Please, select the correct statements regarding fixes/improvements that can be done with the component.

We have the next component

Is there something that is wrong or can be improved in it?

Please, choose the correct options

Please, choose appropriate places to call hooks:

Who can add items to a Sprint Backlog during the Sprint?