Which of the following are binomial experiments or can be reduced to binomial experiments?

Question

I.surveying 100 aspiring students to determine if they are interested in pursuing their tertiary education at IUCG.
ii.tossing a coin a 100 times to see how many heads occur.
III.Testing four different cars to see which brands are effective.
iv.Asking 100 people if they drink alcohol.
v.Testing a brand of car using 100 people to determine whether it is effective.