Which one of the following is not a land-use category?

• Fallow land

• Marginal land

• Net sown area

• Culturable wasteland

What one of the following is the main reasons due to which share of forest has shown an increase in the last forty years?

• Extensive and efficient efforts of afforestation.

• Increase in community forest land.

• Increase in notified area allocated for forest growth.

• Better peoples participation in managing forest area.

In which of the following group of countries of the world, HYVS of wheat and rice were developed?

• Japan and Australia

• Mexico and Philippines

• USA and Japan

• Mexico and Singapore

Which one of the following crops is not cultivated under dryland farming?

• Ragi

• Jowar

• Groundnut

• Sugarcane

Which one of the following is the main form of degradation in irrigated areas?

• Gully erosion

• Wind erosion

• Salinisation of soils

• Siltation of land