Structure of the Earth

Q. How thick is the Earth's Crust?

1. 5-35 km
2. 5-50 km
3. 10-75 km
4. 15-80 km

Q. The Continental Crust is also called the SiAl layer.

1. False
2. True

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> The word ‘atmosphere’ comes from the Greek word ‘atmos’, which means _________.

1. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Water
2. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Oxygen
3. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Vapour
4. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Trees

Q. Which among the following gases is the most abundant element in the Earth's atmosphere?

1. Oxygen
2. Methane
3. Carbon Dioxide
4. Nitrogen

Q. Which among the following layers of the Earth is also known as SiMa?

1. Core
2. Mantle
3. Continental Crust
4. Oceanic Crust

Q. Out of all the layers of the Earth, which has the maximum volume?

1. Crust
2. Mantle
3. Outer core
4. Inner core

Q. Which among the following is the outermost layer of the Earth?

1. Core
2. Crust
3. Mantle
4. Magma

Q. The core of the Earth is mainly composed of which of the following elements?

1. Nickel
2. Manganese
3. Iron
4. Zinc

Q. Which of the following parts is the oceanic crust?

1. 
2. 
3. 
4. 

Q. Which among the following options represents the most accurate extent of thickness of the Earth's continental crust?

1. 15 km
2. 25 km
3. 35 km
4. 45 km

Q. The Earth's inner core is in a state, while the outer core is in a state.

1. solid
2. liquid
3. gaseous
4. semi-gaseous