SSLC (English Medium) इयत्ता ९ - Tamil Nadu Board of Secondary Education Question Bank Solutions

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 ______.

Hydration comes under ______.

Mention the agents of chemical weathering.

Distinguish between

Oxidation and Carbonation

Statement: The Agents of chemical weathering are Oxygen, Carbon dioxide, and Hydrogen.
Reason: Chemical weathering is predominantly high in the hot and humid regions.

The process of dissolution of rock substances in water is ______.

This ______  generally originate from mountains.

The deepest point in the Arctic ocean is ______.

The height of the waves depends on ______.

A very long narrow depression on the ocean floor is called ______.

Consider the following statement.

1.  Sylvia Earle is a famous American oceanographer
   2. The continental shelves have extensive deposits of mineral fuels.
   3. Submarine fans are located in continental slope.
   4. Abyssal plains are otherwise called shallow sea plains.

Assertion (A): The Ocean water is dynamic
Reason (R): Waves and currents are in horizontal motion while tides have vertical motion.

Assertion (A): The gravitational pull of the sun and moon on earth cause tides on sea water.
Reason (R): Neap tides are caused when the first and last quarter moon appears.