Earthquake and volcanic eruption occur near the edges of ______.

(a)

Mountain

(b)

Plains

(c)

Plates

(d)

Plateaus

The magnitude of an earthquake is measured by ________.

(a)

Seismograph

(b)

Richter scale

(c)

Ammeter

(d)

Rotameter

The narrow pipe through which magma flow out is called a _________.

(a)

Vent

(b)

Crater

(c)

Focus

(d)

Caldera

Lava cones are ________.

(a)

mountains of accumulation

(b)

mountains of deformation

(c)

relicit mountains

(d)

fold mountains

The top of the cone of a volcanic mountain has a depression known as the _________.

(a)

crater

(b)

lopith

(c)

caldera

(d)

sill

_____ belt is known as the “Ring of Fire”.

(a)

Circum - Pacific

(b)

Mid - Atlantic

(c)

Mid - Continental

(d)

Antarctic

An earth quake of magnitude _____________ scale can cause damage from things falling.

(a)

3.0

(b)

4.0

(c)

5.0

(d)

2.0

In India, the Himalayan region and the ________ valley are prone to earthquakes.

(a)

Ganga - Brahmaput

(b)

Yamuna

(c)

Sind

(d)

Sutlej

If the crater of a volcano is of great size and is shaped like a basin, it is called a ______________

(a)

Vent

(b)

Crater

(c)

Caldera

(d)

Magma

Volcanoes made of cinder and ash and which have sleep slopes are ____________ volcanoes.

(a)

Shield

(b)

Cinder-cone

(c)

Composite

(d)

Dormant