This KS3 English quiz asks questions about alliteration. Alliteration is when two or more words start with the same letter or sound. An example would be "crawling caterpillars". Tongue twisters are often good examples of this way of writing - try saying "Fred's friends fried Fritos for Friday's food"! The technique can be used in writing and speech to interest your audience, or to bring some humour to your sentences.
Alliteration can also be used to create certain effects: sounds such as "c/k", "d" or "g" produce harsh effects, while everyone knows that sibilance, caused by repeated "s" or "z" sounds, creates a rather different, somewhat sinister, effect. You should be aware that alliteration can also occur at the beginnings of stressed syllables, too. So a phrase such as "nobody nodded unknowingly" alliterates on the "n" sound, including the -kn- of "unknowingly".