Contents

The thickness of the mantle is about…….
a) 2900 km                         

b) 3500 km
c) 2,600 km                         

d) 2,400 km

a

(in 5th class GS book 3900 incorrect)



Which layer of the earth is like the white of an egg
a) Core                                  

b) Crust
c) Mantle                                             

d) none of these

c

Mantle layer of earth is composed of…………
a) Iron                                   

b) Silicone
c) Magnesium                     

d) all of these

d

Temperature of the upper portion of the Mantle is
a) 550°C                                               

b) 870°C
c) 700°C                                               

d) 300°C

b

Temperature of the inner portion of the Mantle is
a) 550°C                                               

b) 870°C
c) 4,000°C                                            

d) 3,600°C

d

Core: