उत्तर : 1. "भरतपुर और टोंक वन विभाग में"
व्याख्या :

1. Khas grass or khus grass grows in Tonk, Sawai Madhopur, Bharatpur districts of Rajasthan.

2.Chrysopogon zizanioides, commonly known as poppy and khus, is a special grass native to India.

3. It is a densely clustered grass with long, thin and hard leaves and can grow up to 1.5 meters high.