Earth's Structure & Layers MCQs with Answers

Lithosphere, a physical shell of earth constitutes ?

• A.The earth's water bodies
• B.The earth's core
• C.The earth's atmosphere
• D.The earth's surface

These are the two most common elements in the earth crust?

• A.Oxygen and Silicon
• B.Iron and Nickel
• C.Hydrogen and Helium
• D.Aluminum and Calcium

Past Paper MCQ

What term is used to describe the Earth's slightly flattened shape at the poles?

• A.Orboid
• B.Ellipsoid
• C.Spheroid
• D.Geoid

What is the Circumference of Earth?

• A.40,075 km
• B.42,075 km
• C.38,075 km
• D.44,075 km

The study of internal structure of earth is called _?

• A.Geology
• B.Geophysics
• C.Seismology
• D.Geography

Hydrosphere, a physical shell of earth constitutes ?

• A.All the water on earth
• B.All the gases surrounding earth
• C.All the solid rocks and soil on earth
• D.All the living organisms on earth

Complexity of life forms appeared during geological time?

• A.Pre-Cambrian
• B.After the Cambrian
• C.During the Cambrian
• D.None of these

Surface fire burns which part of soil?

• A.O-horizon
• B.A-horizon
• C.B-horizon
• D.C-horizon

Mesozoic Era is subdivided into how many periods?

• A.2
• B.3
• C.4
• D.5

Ground water is called :

• A.Water under the surface of Earth
• B.Water in rivers and lakes
• C.Water in oceans and seas
• D.Water vapor in the atmosphere