The correct options are
A Can summon and prorogue the legislature.
B Can appoint a replacement for the Speaker in his absence.
Following are the legislative powers of a Governor:
1. Right to summon and prorogue the legislature.
2. Can appoint a replacement for the Speaker in his absence.
3. Addresses the state legislature at the first session.
4. Appoints 1/6 of the members of the State Legislative Council.
5. A bill passed by the state legislature becomes a law only after his signature.
Appointment and promotion of District Judges come under his Judicial powers. He also executes financial powers.