Resources and Development

A concerted effort has to be made for sustainable development. Choose appropriate steps for conserving our mineral resources for the future.

• Recycling of metals

• Not disposing wastes

• Using polythene bags

• None of the above

Which factor is mainly responsible for maximum land degradation in India?

• Resource planning

• Wind erosion

• Overgrazing

• Over irrigation

Alluvial soil can be classified as

• Old Alluvial(Bangar)

  New Alluvial(khadar)

• New Alluvial(Bangar)

  Old Alluvial(khadar)

• it cannot be classified further

• None of the above

Mostly Alluvial soils contain adequate proportion of potash, phosphoric acid and lime which are ideal for the growth of

• sugarcane and paddy

• wheat and cereals

• pulse crops

• All of the above

In June 1992, more than 100 heads of states met in Rio de Janeiro in

• France

• Brazil

• Germany

• London

Agenda 21 is the declaration signed by world leaders in

• 1991

• 1992

• 1993

• 1994

Which states are rich in minerals and coal deposits.

• Jharkhand

• Chhattisgarh

• Madhya Pradesh

• All of the above

Black soil is ideal for growing

• maize

• wheat

• Rice

• cotton

Red soil develops on crystalline igneous rocks in areas of _______ in the ______ and ______ parts of the Deccan plateau

• Low rainfall ,

  northern and southern

• High rainfall ,

  eastern and western

• Low rainfall,

  eastern and southern

• High rainfall,

  Western and northern

pH of laterite soil is

• less than 6

• between 6-8

• between 8 to 10

• more than 10