SSLC (English Medium) Class 9 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Social Science

Explain the major components of a volcano.

Give reason for the following:

The Himalayas are fold mountains

Give reason for the following:

Formation of the Tibetan Plateau.

Give reason for the following:

A lava dome does not flow from into the vent.

Explain the term

Volcanism

What is the difference between the ‘magnitude’ and the ‘intensity’ of an earthquake?

Will more shocks be felt after a strong earthquake?

What is Tsunami Warning System (TWS)?

Pacific Ring of Fire – What do you understand by the term?

These waves are the fastest of all the Earthquake waves.

The sixth deadliest natural disaster due to the Tsunami caused in the year ______.

Consider the given statement

1. The plates move vertically in convergent Boundary.
2. The plates pull away from each other in the Transform boundary. 
3. The plates slide horizontally past each other in Transform Boundary. 

What do you know about the Active Volcano?

What do the internal processes generate?

Give reason for the following.

Why did Tsunami occur on 26th December 2004?

Give reason for the following.

Why does the lava flow out in all directions in the shield volcano?

Distinguish between:

Seismology and Geology.

Distinguish between:

Atmosphere and Biosphere.

Give an account tsunami.

Mixing of water with the atmospheric carbon-di-oxide is known as ______.