India has been divided into fifteen different agroclimatic zones by the Planning Commission of India, which are further divided into more homogeneous 72 sub-zones. However, under the National Agricultural Research Project (NARP), implemented with World Bank funding, the entire country was divided into 126 agro-climatic zones, each consisting of several districts. In each of the zones, a research station was established under a specific SAU to carry out applied and adaptive research relevant to the zone.

Correct Option: B

India has been divided into fifteen different agroclimatic zones by the Planning Commission of India, which are further divided into more homogeneous 72 sub-zones. However, under the National Agricultural Research Project (NARP), implemented with World Bank funding, the entire country was divided into 126 agro-climatic zones, each consisting of several districts. In each of the zones, a research station was established under a specific SAU to carry out applied and adaptive research relevant to the zone.

India has the biggest area under rice cultivation, as it is one of the principal food crops. India is also one of the world's largest producers of white rice, accounting for 20% of all world rice production.

Correct Option: A

India has the biggest area under rice cultivation, as it is one of the principal food crops. India is also one of the world's largest producers of white rice, accounting for 20% of all world rice production.

The Green Revolution benefited wheat the most. Though the area under rice is considerably larger than land under wheat, the latter has been marked by higher productivity due to the introduction of high yielding variety of seeds, well irrigated lands and substantial use of pesticides. The acreage yield has been higher in the case of wheat.

Correct Option: A

The Green Revolution benefited wheat the most. Though the area under rice is considerably larger than land under wheat, the latter has been marked by higher productivity due to the introduction of high yielding variety of seeds, well irrigated lands and substantial use of pesticides. The acreage yield has been higher in the case of wheat.

Operation Flood in India, a project of the National Dairy Development Board (NDDB) was the world's biggest dairy development programme which made India, a milk-deficient nation, the largest milk producer in the world.

Correct Option: A

Operation Flood in India, a project of the National Dairy Development Board (NDDB) was the world's biggest dairy development programme which made India, a milk-deficient nation, the largest milk producer in the world.

India continues to be the largest milk producing nation in the world with close to 17% of global production in 2010-11. The country's estimated milk production for 2010-11 is 121 million tonnes.

Correct Option: D

India continues to be the largest milk producing nation in the world with close to 17% of global production in 2010-11. The country's estimated milk production for 2010-11 is 121 million tonnes.