ENVIRONMENTAL STUDIES

A desert is an extremely dry area of land, having very less rainfall and ________________. It is usually barren with poor living conditions.

• sand dunes

• vegetation

• Camel

• Cactus

One third of the land surface on the Earth is covered by deserts - either hot deserts or cold deserts like _____________________.

• Africa

• Asia

• Antarctica

• Australia

The Thar desert is a vast, sandy, and rocky area covered with ______________________________

• trees

• plants

• Sand

• water

Sand dunes are _____________________________ of sand that are formed by strong

winds that carry sand in the desert

• oceans

• sky

• high mountains

• low hills

The winds deposit the sand

when they come across an ____________________________________

• obstruction

• destruction

• distraction

• direction

winds may lift the sand

and carry it away, thus causing sand dunes to __________________________.

• list

• tilt

• shift

• draft

The ____________________river is the only river that flows through the Thar desert.

• Luni

• satluj

• ravi

• beas

There are some places in a desert where ______________________________water comes to the surface in the form of small springs called an Oasis

• surface

• rain

• handpump

• underground

Most of the _________________________ come up around such an Oasis.

• ocean

• villages

• factories

• mall's

Hot dry winds called _____________________ blow during the day.

• koo

• storm

• loo

• shoo