Step 1: Recall Gramineae family (Poaceae).
The Gramineae or Poaceae family includes monocot plants commonly called grasses. Major cereal crops such as wheat, rice (paddy), maize, and barley belong to this family.
Step 2: Analyze the options.
- Groundnut (A): Belongs to the Leguminosae family, not Gramineae.
- Gram (B): Also belongs to the Leguminosae family.
- Wheat (C): A cereal crop in Gramineae.
- Paddy (D): Also a cereal crop in Gramineae.
Step 3: Conclusion.
Therefore, crops from the Gramineae family are Wheat and Paddy.
Final Answer: \[ \boxed{\text{Gramineae family crops include (C) Wheat and (D) Paddy.}} \]