Justify the following statements.

1) Memorandum of Association defines the limitations of the powers of the company.
2) Ultra vires acts are null and void
3) Contents of Articles can be altered.
4) Doctrine of Indoor Management protects outsiders who are unaware of the correctness of
internal proceedings of a company.
5) Prospectus is an important document issued by a public company.
6) Company and officers responsible for issuing Prospectus are liable for mis-statements in Prospectus.