Contents

Types of Rocks and their Formation

(چٹانوں کی اقسام اور ان کی تشکیل/بناوٹ):


When lava cools and hardens it forms?
a) igneous rocks                 

b) sedimentary rocks
c) both a & b                       
d) none of these 

a

The branch of geology which deals with various aspects of rocks is………….
a) Petrology                        

b) Mineralogy
c) Lithology                         

d) Rockology


a

The word igneous derived from a Latin word “ignis” which means……….
a) soft  

b) water  

c) fire    

d) hard matter

c

Which of the following rocks are formed by coaling of hot molten matter inside or outside of the Earth?
a) Igneous rocks

b) Sedimentary rocks
c) Metamorphic rocks

d) none of these

a

Molten rock material ejected by volcanoes during eruption is called……
a) lava

b) clay 

c) rock   

d) all of these

a