Tick the correct answer.

(i) Which is not a means of communication?

(a) Telephone

(b) Books

(c) Table

(ii) Which type of road is constructed under the ground?

(a) Fly over

(b) Expressways

(c) Subways

(iii) Which mode of transport is most suitable to reach an island?

(a) Ship

(b) Train

(c) Car

(iv) Which vehicle does not pollute the environment?

(a) Cycle

(b) Bus

(c) Aeroplane