Step 1: Understand the question.
A galvanic cell makes electricity from a chemical reaction that happens on its own. We must pick the true statement about it.
Step 2: Recall the two electrodes.
Every cell has two electrodes. Oxidation (loss of electrons) happens at the anode. Reduction (gain of electrons) happens at the cathode.
Step 3: Find the sign of each electrode.
In a galvanic cell, the anode makes electrons, so it is the negative terminal. The cathode takes in electrons, so it is the positive terminal.
Step 4: Check the energy change.
A galvanic cell turns chemical energy into electrical energy. So any option saying the opposite is wrong.
Step 5: Test each option.
Option 1 says anode is negative and cathode is positive. This is correct. Option 2 has the energy change backwards. Option 3 has the signs swapped, which is for an electrolytic cell. Option 4 mixes up where oxidation and reduction happen.
Step 6: Choose the answer.
The true statement is option 1.
\[ \boxed{\text{Anode negative, cathode positive}} \]