A. Dioscorea alata
B. Dioscorea cayenesis
C. Dioscorea rotundata
D. Dioscorea bulbifera

Correct Answer:

Option A – Dioscorea alata

Explanation

Yam belongs to the family Dioscoreacea. It is a root and tuber crop grown in West Africa and it is rich in carbohydrates.Water yam (Dioscorea alata)

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