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

What were the changes brought by the British and the Germans in East Africa?

Write a note on Emperor Menelik.

Answer all questions given under the heading

Congo

1. Who showed interest in Congo?
2. What was the monopoly trade given to this state?
3. How were these products collected?
4. What made the Belgian government intervene?

The presence of large quantities of ______ in the core is responsible for the Earth’s Gravitational force.

Silica and Aluminium are the components of the ______.

Match the following:

Consider the given statement:

1. The thickness of the crust is greater below the continents than the ocean’s floor.
2. All terrestrial planets have a lithosphere.
3. The core is composed of Silica and Aluminium.

Which of the statement (s) is/are true?

What is SIAL?

What is SIMA?

What is NIFE?

Give reason for the following:

The Earth’s gravitational force

Give reason for the following:

Generation of the Earth’s Magnetic field.

Give reason for the following:

The cause of the functioning of the magnetic compass

______ is a vent (or) and opening on the surface of the Earth crust.

Seismology deals with ______.

Composite volcanoes are commonly found in the ______ocean.

Consider the given statement

1. When magnia reaches this Earth’s surface, it is referred to as ‘Lava’. 
2. The interior of the earth contains very hot molten material called ‘Magma’. 
3. Sedimentary are also called Primary (or) Mother rocks. 

The breakdown of rocks without changing their chemical composition is called ______.

What is Exfoliation?

Define soil.