Quiz on Universal Time and Earth's Structure

What is the mean time for the meridian at Greenwich, England known as?

• Standard Time

• Universal Time

• Local Time

• Sidereal Time

Which meridian has the Indian Government accepted for standard time?

• 82.5° East

• 0° Longitude

• 75° East

• 90° East

How many longitudinal zones is the Earth divided into?

• 18

• 12

• 24

• 36

What is the thickness of the Earth's crust?

• 8 to 40 km

• 30 to 50 km

• 5 to 20 km

• 20 to 60 km

What is the innermost layer of the Earth called?

• Mantle

• Lithosphere

• Crust

• Core

Which theory explains the origin and evolution of continents and oceans?

• Continental Drift Theory

• Plate Tectonics Theory

• Geosyncline Theory

• Seafloor Spreading Theory

What is the average density of the Earth's crust?

• 3.0 gm/cm3

• 2.7 gm/cm3

• 2.5 gm/cm3

• 3.5 gm/cm3

How many time zones does Russia have?

• 9

• 11

• 5

• 7

What is the composition of the Earth's core primarily made of?

• Iron and Nickel

• Magnesium and Sulfur

• Calcium and Oxygen

• Silica and Aluminium

What type of plate margin is known as a constructive margin?

• Transform Boundary

• Parallel Plates Margin

• Convergent Plate Margin

• Divergent Plate Margin