Rio De Janeiro Earth Summit was held in __________ year

• 1998

• 1992

• 1991

• 1994

"There is enough for everybody's need and for anybody's greed". said by

• Netaji Subhash Chandra Bose

• Mahatma Gandhi

• Jawaharlal Nehru

• Narendra Modi

Materials in the environment which have the potential to satisfy human needs but human beings do not have appropriate technology to access them are called:

• Potential Resources

• Stock

• Developed resources

• Reserves

Area sown more than once in an agricultural year plus net sown area is known as:

• Net sown area

• Forest cover

• Waste land

• Gross cropped area

In which of the following States mining has caused severe land degradation?

• Gujarat

• Jharkhand

• Kerala

• Uttaranchal

Which is the most common soil of Northern India?

• Black soil

• Laterite soil

• Alluvial soil

• Red soil

Red soil is mostly found in:

• Parts of Jammu & Kashmir

• Upper Ganga Plains

• Eastern and Southern part of Deccan Plateau

• None of the above

Black soil is also called:

• Bangar

• Khadar

• Regur

• Humus

Laterite soil is very useful for growing:

• Rice, wheat and mustard

• Tea, coffee and cashewnut

• Pulses, sugarcane and resin

• None of the above

Ploughing along the contour lines to decelerate the flow of water down the slopes is called:

• Strip cropping

• Sheet erosion

• Contour ploughing

• Terrace cultivation