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Rising intonation is like this...      What your name?
falling intonation is like this...     I love my family.
How can i help you??
are u a pilot student??

a falling intonation is cannot be answered by yes or no
while the rising intonation can be answered by yes or no.
rising intonation: Are you okay?
falling intonation: Where did u go?

Cluadelorraine is right!