MCQ on Inside Our Earth

CBSE 7th Class MCQ CBSE Multiple Choice Questions (MCQ)

11- Which of these minerals constituent the innermost layer of the earth?

(A) Nickel and Magnesium

(B) Silica and Magnesium

(C) Silica and Aluminium

(D) Nickel and Iron

 

12- Which layer of the earth has high temperature and pressure?

(A) Lithosphere

(B) Crust

(C) Mantle

(D) Core

 

13- The …………..forms only 0.5 % of the volume of the earth?

(A) Crust

(B) Mantle

(C) Inner core

(D) Outer core

 

14- What percentage of the earth comes in the Mantle?

(A) 0.5

(B) 1.6

(C) 1.8

(D) 2.8

 

15- What is the radius of the earth?

(A) 4371 km

(B) 5371 km

(C) 6371 km

(D) 7371 km

 

16- The remains of dead plants and animals trapped in the layers of rocks are called……………

(A) Biosphere

(B) Biomes

(C) Fossils

(D) None of the above

 

17- A natural mass of mineral matter that makes up the earth’s crust is called ……………

(A) A Rock

(B) A Fossil

(C) Both A and B

(D) None of the above

 

18- ……………is formed through the cooling and solidification of magma or lava

(A) Sedimentary rocks

(B) Igneous rocks

(C) Metamorphic rocks

(D) None of the above

 

19- Igneous rocks are also called………………….

(A) Intrusive rocks

(B) Secondary rocks

(C) Primary rocks

(D) Metamorphic rocks

 

20- Intrusive rocks and extrusive rocks are different types of which rock?

(A) Lava rocks

(B) Sedimentary rocks

(C) Metamorphic rocks

(D) Igneous rocks

 

ANSWERS:

11-(D), 12-(D), 13-(A), 14-(B), 15-(C), 16-(C), 17-(A), 18-(B), 19-(C), 20-(D)