Which of the following is NOT a cause of volcanic eruptions?

1. Heat from the sun
2. Plate Tectonics
3. Magma chamber
4. Heat and pressure inside the earth

Which amongst the following is NOT a product of volcano?

1. Magma
2. Lava
3. Solid Matter
4. Vent

Assertion (A): Most volcanic eruptions take place near plate margins.

Reason (R): When these plates slide past each other or collide against each other due to intense heat inside the earth's core, their edges produce faults along the lines of weakness.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R does not explain A.
3. A is true but R is false.
4. A is false but R is true.

…………… is a fountain of hot water and steam that escapes when underground water comes into contact with hot volcanic rocks.

1. Caldera
2. Hot springs
3. Geysers
4. Volcano