Which of the following groups of crops are Mostly cultivated in the rainforest zone of Nigeria?

The group of crops that are mostly cultivated in the rainforest zone of Nigeria are maize, cocoyam and cassava. Rainforest zones in Nigeria have high rainfall and humidity, which make them suitable for the cultivation of crops that require a lot of water. Maize is a staple crop in Nigeria and is grown in both the rainforest and savanna zones. Cocoyam, which is a root crop, is also commonly grown in the rainforest region. Cassava is another root crop that is grown in this region and is a major source of food and income for many farmers in Nigeria. Millet, yam and coconut are crops that are typically grown in drier areas, such as the savanna zone. Sorghum, sweet potato and date are also crops that can tolerate drier conditions and are not commonly grown in the rainforest zone. Wheat, Irish potato and groundnut are crops that are not typically grown in Nigeria due to unsuitable climatic conditions.