In nuclear power plants, electricity is generated through the process of nuclear fission. 
Hence, option B is correct.

Orographic rainfall is represent in the given diagram. 

Orographic or relief rainfall is caused when masses of air pushed by wind are forced up the side of elevated land formations, such as large mountains. The lift of the air up the side of the mountain results in adiabatic cooling, and ultimately condensation and precipitation. 
Hence, option B is correct. 

Ladakh is a high altitude desert as the Himalayas create a rain shadow, generally denying entry to monsoon clouds. The main source of water in the winter snowfall on the mountains. Recent flooding in the region) has been attributed to abnormal rain patterns and retreating glaciers, both of which have been found to be linked to global climate change. The Leh Nutrition Project, headed by Chewang Norphel, also known as the "Glacier Man", creates artificial glaciers as one solution for retreating glaciers.

If the sun's path is observed from the Earth's reference frame, it appears to move around the Earth in a path which is tilted with respect to the spin axis at 23.5 °. This path is called the ecliptic. It tells us that the Earth's spin axis is tilted with respect to the plane of the Earth's solar orbit by 23.5 °.

The East India Company set up a factory in Bengal on the banks of Hugli in 1651. This was the base from which the Company’s traders (factors) operated.The factory had a warehouse where goods for export were stored and it had offices wherecompany officials sat. 
Hence, option D is correct.

At one of our frequent get-togethers, the topic of discussion was the Rs 55 crore controversy in 1947, which India was holding back from Pakistan. Of all monetary and liquid assets, Pakistan got 17.5% while India’s share was 82.5%. Of all movable and non-liquid assets, there was to be a division in the ratio 80-20 between India and Pakistan.

'Black towns’ were established in India by European companies to confine native traders for impeding their trade. 
By the early nineteenth century Calcutta was divided into two areas, the British area known as White Town and the other Indian area known as Black Town which consisted of poverty ridden shanty towns. Industrial growth took place in the 1850’s especially in textile and jute manufacture with a resultant investment in railroads and telegraph connections. A new class of Indians emerged known as “Babus” who were professional business people belonging to upper-caste Hindu communities.

The worship of Jagannath has been greatly influenced by the Savara tribals. Jagannath’s Mahaprasad is called ‘Abadh’. In the tribal Saura language spoken by the Savaras. Abadha means the act of boiling something in water. The Mahaprasad is boiled rice. 
Hence, option B is correct.