The unique climate of Arunachal Pradesh allows for the cultivation of:

Cash crops like tea and coffee
Temperate fruits like apples and plums
Both a) and b)
Neither a) nor b)

The correct answer is: c) Both a) and b)

Arunachal Pradesh is a state in northeastern India. It is the largest state in the country by area, and it is also one of the most sparsely populated. The state has a diverse climate, with tropical rainforests in the south and temperate forests in the north. The unique climate of Arunachal Pradesh allows for the cultivation of a variety of crops, including cash crops like tea and coffee, and temperate fruits like apples and plums.

Tea is one of the most important cash crops in Arunachal Pradesh. The state is home to several tea estates, which produce a high-quality tea that is exported to countries around the world. Coffee is another important cash crop in the state. Coffee is grown in the lower elevations of Arunachal Pradesh, and it is a major source of income for many farmers.

Temperate fruits are also grown in Arunachal Pradesh. Apples and plums are the most popular temperate fruits in the state. They are grown in the higher elevations of Arunachal Pradesh, and they are a major source of income for many farmers.

The unique climate of Arunachal Pradesh allows for the cultivation of a variety of crops, including cash crops like tea and coffee, and temperate fruits like apples and plums. These crops are a major source of income for many farmers in the state.