Which of the following is correct regarding adiabatic process

Which of the following is (are) correct an adiabatic process?

Which of the following is not correct for adiabatic process ?

Which of the following is correct regarding RNA processing?

Which of the following graph is correct reversible adiabatic process for an ideal gas:

Which of the following is true for an adiabatic process:

Which of the following is true for an adiabatic process:

Which of the following statement is incorrect regarding adiabatic and isothermal processes for an ideal gas, starting from same initial state to same final volume?