Final answer:
An objection to the consideration of a question can only be applied to the main motion and must be made before any debate or subsidiary motions occur.
Step-by-step explanation:
The only motion an objection to the consideration of a question can be applied to is the main motion. This objection is used to prevent a main motion from being considered at all. It must be made before the motion has been debated or any other subsidiary motion has been applied to it. Once the debate begins, or if any amendments or other motions are applied, it is too late to make this objection. This parliamentary procedure helps in avoiding the discussion of inappropriate or irrelevant topics.