One word substitution:

1.       One who pretends to be what he is not - Hypocrite

2.      An official call to appear in a court of law - Summon

3.      Murder of a brother - Fratricide

4.      A list of items to be transacted at a meeting - Agenda

5.      A continuous process of change is known as - Metamorphosis

6.      Circular building or hall with a dome - Rotunda

7.      An order requiring a person to attend a court - Subpoena

8.     An extreme fear of being in a small confined place - Claustrophobia

9.      Allowance due to a wife from her husband on separation - Alimony

10.  Belonging to all parts of the world - Universal