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1.	Which one of the following geological periods was frequented by increased volcanic activities?
	A.  Cretaceous period
	B.  Ordovician period
	C.  Jurassic period
	D.  Miocene period

Answer

Ans: A Cretaceous period

2.	Radioactive dating is a technique which can be used to measure
	A. Composition of rocks
	B. Colour of rocks
	C. The age of rocks
	D. Weight of rocks

Answer

Ans: C The age of rocks

3.	Classify 'granite' under any of the following heads
	A.  Sedimentary rocks
	B.  Igneous rocks
	C.  Metamorphic rocks
	D.  None of the above

Answer

Ans: B Igneous rocks

4.	The mass of the earth is about _____ times of that of the moon.
	A.  81
	B.  83
	C.  85
	D.  91

Answer

Ans: A 81