English Legal System

1)If the courts make a declaration of incompatibility with European Convention on Human Rights ,the primary legislation becomes invalid.
Is the statement true?

2)Bills which are incompatible with European Convention on Human Rights cannot proceed to a second reading?
The statement is false?

3)Which of the following is the judge bound to follow when hearing a case at first instance in the high court?
A.The Ratio decidendi of decision of another judge sitting in the high court.
B.The Obiter dicta of a decision of the supreme court.
C.The Ratio decidendi of a decision of the court of appeal.
Answer-A?