The correct answer is: Dhan and Dhanya.
Dhan is a Sanskrit word that means “grain” or “food”. It is a general term for all types of grains, including rice, wheat, barley, and millet. Dhanya is a more specific term that refers to rice.
During the Vedic period, dhan and dhanya were the most important crops in India. They were used to make bread, porridge, and other dishes. They were also used as offerings to the gods.
The word dhan is also used in the name of the Hindu god Dhanvantari, who is the god of medicine and healing. Dhanvantari is often depicted holding a pot of dhan, which symbolizes his ability to provide food and nourishment.
The word dhanya is also used in the name of the Hindu goddess Lakshmi, who is the goddess of wealth and prosperity. Lakshmi is often depicted sitting on a heap of dhanya, which symbolizes her abundance and generosity.
In conclusion, the correct answer to the question “During the Vedic period the grains were collectively called: A. Yuva and Ann B. Yuva and Dhanya C. Ann and Dhan D. Dhan and Dhanya” is Dhan and Dhanya.