which is an example of judicial review

Question

a judge compares a law to the constitution and declares a law unconstitutional and no effect
a lawyer asks a judge to rule on an appeal to release a client from prison term
the president interviews people to determine who to nominate ad a supreme court justice
the senate holds hearings to determine if they will approve a president's judicial appointments

Answer 1

An example of judicial review is:

A judge compares a law to the constitution and declares a law unconstitutional and of no effect.

Judicial review is the power of courts to assess whether a law is in compliance with the constitution, and if not, to nullify it.