Possibly. Depending on the conditions of your policy, the claim may be denied or only paid a rediculously small fraction such as 8-10% of the premium value.
Any part of an application for life insurance that can be proven to be a lie can void the policy. Companies that I know of will refund premiums paid, but will not honor the policy.
AnswerAny intentional lie on an insurance form will void the policy if they find out.
For every question on an application there are unique circumstances. If you have a claim that is being investigated or has been denied you should contact The Center for Life Insurance Disputes for a free consultation.