The correct answer is: a) Wet rice cultivation.
Wet rice cultivation is a type of rice cultivation that is practiced in areas with abundant water. It is also known as paddy cultivation. In wet rice cultivation, the rice plants are grown in flooded fields. This type of cultivation is very labor-intensive, but it produces high yields.
Dry rice cultivation is a type of rice cultivation that is practiced in areas with limited water. It is also known as upland rice cultivation. In dry rice cultivation, the rice plants are grown in non-flooded fields. This type of cultivation is less labor-intensive than wet rice cultivation, but it produces lower yields.
Terrace rice cultivation is a type of rice cultivation that is practiced in mountainous areas. It is also known as hill rice cultivation. In terrace rice cultivation, the rice fields are built on terraces on the sides of mountains. This type of cultivation is very labor-intensive, but it produces high yields.
Rainfed rice cultivation is a type of rice cultivation that is practiced in areas with low rainfall. In rainfed rice cultivation, the rice plants are grown without irrigation. This type of cultivation is very risky, as the rice plants may not get enough water if there is a drought.
Arunachal Pradesh is a state in northeastern India. It is a mountainous state with a tropical climate. The main crops grown in Arunachal Pradesh are rice, maize, and wheat. Rice is the most important crop in Arunachal Pradesh. It is grown in the valleys of the state. The main type of rice cultivation practiced in Arunachal Pradesh is wet rice cultivation.