What is wrongly stated about the electrochemical series?

When a $Cu$ rod is kept in an $AgNO_3$ solution,what is the redox reaction that occurs?

$A$ solution of copper sulphate may be kept safely in the container made up of

Which of the following statements is incorrect during the discharge of a lead storage battery?

Give true $(T)$ and false $(F)$ for following statements :
$(1)$ There is no difference between the galvanic and the electrolytic cell.
$(2)$ In electrolytic cell,anode of galvanic cell is cathode and cathodes are anode.
$(3)$ The flow of current and electron in electrolytic cell is opposite to the galvanic cell.
$(4)$ When $2.0 \ V$ external current in the opposite direction is passed through the Daniell cell,in such condition there is no effect on Daniell cell.

When does an electrochemical cell behave as an electrolytic cell?