Logic Riddles

Question: Insects have been disappearing for the past month. You are in a lab studying why and how this is happening, but the main door closes and you are locked inside. There are three doors in front of you that lead to freedom. Door 1: Hungry eating plants Door 2: Blood-thirsty vampires Door 3: Coldwater which you would get hypothermia quickly. Which door would you choose?

Question: What goes on and on and has an 'i' in the middle?

Question: A photojournalist entered a dangerous cave to take some pictures. Suddenly the cave starting shaking. The journalist had to run out but forgot which way he got inside. There are 4 tunnels leading him outside. Tunnel 1: Poisonous bats that will kill you immediately. Tunnel 2: Heat from underground that will burn anyone. Tunnel 3: Toxic gas that will kill any kind of animal. Tunnel 4: Radioactive plants that will destroy you in one touch. Which way is safe?

Question: Mary's father has three kids one is Alexis the second one is jolly who's the third?

Question: What arrives at the end and can occur several times a day, once every month, or last millions of years?