CTET 2 Math and Science Feb 2015 Paper

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Question : 70 of 120

Marks: +1, -0

Which one among the following questions would be an 'open-ended question' ?

Why does the moon change its shape daily ?
Explain why we always see the same side of the moon.
Suppose the moon emits light of its own, would it still have phases?
Meteors are not visible during the daytime. Explain the reason.

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