Solution:
Uttar Pradesh has the largest number of sugar mills. When compared to other states given below, Uttar Pradesh has the highest sugar mills. It has around 155 sugar mills where Maharashtra has 195 sugar mills. Uttar Pradesh takes the second place when compared nationally.

Solution:
In 1966 new varieties of wheat such as Lerma, Roso and Sonora-64 were imported. This lead to a great rise in production of food crops and it was termed as green revolution.

Solution:
Clay soil and Sandy soil are component of Loamy soil. Loamy soil is a mixture of sand, clay and another type of soil particle known as silt.

Solution:
Regur soils is formed differently from the other three. Black soil is formed from the weathering of igneous rocks and the cooling of lava after the volcano eruption. It is known as Regur soil, cotton soil and lava soil.

Solution:
Cotton, Groundnut and Maize are the Kharif crops.

Solution:
Rice and Wheat occupy the first and second places respectively.

Solution:
Mustard is a rabi crop. The major rabi crop in India is wheat, followed by barley, mustard, sesame and peas. A crop is said to be Rabi or Kharif on the basis of the conditions and environment that supports it's growth.