Step 1: Understanding the Concept:
Agricultural crops are classified into distinct botanical families and food categories (such as cereals, millets, pulses, oilseeds, and fibers) based on their taxonomy and nutritional uses.
Step 2: Detailed Explanation:
Let us analyze the classification of each crop:
- Cereals: Cereals are grass species belonging to the monocotyledonous family Poaceae (Gramineae) grown for their edible starchy seeds.
- Rice (Oryza sativa): A major staple cereal.
- Wheat (Triticum aestivum): A major staple cereal.
- Maize (Zea mays): A major cereal (often called the queen of cereals).
- Gram (Chickpea Cicer arietinum): Gram belongs to the dicotyledonous family Fabaceae (Leguminosae).
It is grown for its protein-rich seeds and is classified as a pulse (legume), not a cereal.
Therefore, Gram is the crop that is not a cereal.
Step 3: Final Answer:
Gram is not a cereal.