All Questions page - 454

Which one of the following is the example of sedimentary rocks

(1) Loess

(2) Basalt

(3) Granite

(4) Gabbro

Mica is found in which one of the following pairs of rocks?

(1) Slate- Sandstone

(2) Schist-Gneiss

(3) Limestone-Sandstone

(4) Shale- Limestone

The Mohorovicic (Moho) Discontinuity separates

(1) Outer core and Mantle

(2) Inner and Outer core

(3) Sima and Nife

(4) Crust and Mantle

Suppose if we measure the time lapse between the two Sunsets by sitting on the beach, from this we can estimate

(1) The distance between the sun and the earth

(2) The depth of the ocean

(3) The radius of the earth

(4) The radius of the sun

What is the International Date Line?

(1) It is the equator

(2) It is the 0° longitude

(3) It is the 90° east longitude

(4) It is the 180° longitude

Earthquake is caused by

(1) disturbance of earth surface

(2) adjustment of layers of earth’s crust

(3) breakage of rock system

(4) upliftment of rocks

The highest grade and best quality coal is

(1) Lignite

(2) Peat

(3) Bituminous

(4) Anthracite

River erosion is at its greatest where the river’s

(1) depth is more

(2) breadth is more

(3) flow is fast

(4) gradient is more

In which of the following is the Great Barrier Reef located ?

(1) the Coral Sea

(2) the Solomon Sea

(3) the Bismarck Sea

(4) the Arafura Sea

The term ‘epicenter’ is associated with

(1) Earthquakes

(2) Volcanoes

(3) Cyclones

(4) Landslides

What is the scale used for measuring the intensity of the earthquake?

(1) Richter scale

(2) Metric scale

(3) Centigrade scale

(4) Newton’s scale

The Equator represents

(1) line joining North and South poles

(2) imaginary line passing round the Earth midway between North & South poles

(3) a belt (ring) around the planet Saturn

(4) axis of rotation of Earth

The acceleration due to gravity at the equator

(1) is less than that at the poles

(2) is greater than that at the poles

(3) is equal to that at the poles

(4) does not depend on the earth’s centripetal acceleration

The ‘Pacific Ring of Fire’ is associated with

(1) oil well fires

(2) thermal power station

(3) volcanoes and earthquakes

(4) forest fires

Which one of the following rivers forms an estuary ?

(1) Ganga

(2) Tapti

(3) Godavari

(4) Mahanadi

How much of the Earth's land surface is desert ?

(1) 1/10th

(2) 1/5th

(3) 1/3rd

(3) 1/6th

What percentage of the world’s freshwater is stored as glacial ice?

(1) 50%

(2) 10%

(3) 70%

(4) 30%

The approximate circumference of the Earth is

(1) 13,000 km

(2) 20,000 km

(3) 25,000 km

(4) 30,000 km