1. Simlipal Bio-Reserve (Sanctuary) is located in Orissa.

2. The biosphere reserve has the largest area of sal in the whole of India. Furthermore, the tropical monsoon climate provides ideal conditions for the development of a distinctive biodiversity, highlighted by 1,076 species of vascular plants.

3. These include 93 species of orchids, 300 species of medicinal plants and 52 species of endangered flora. The two endemic species of orchid are Eria meghasaniensis and Taenia hookeriana.

4. Notable botanical species in the sanctuary include Callicarpa arborea (a species of beautyberry), Bombax ceiba (cotton tree) and Madhuca longifolia (manhua).

Tanka is an underground reservoir built to store rain water. The tanka usually has a square or rectangular shape and is constructed from clay or stone. A wall is built around the tanka so that rain water can collect in it.

1. Although Rajasthan is not rich in this mineral, the deposits available are of high quality (hematite and magnetite).

2. Most of the ore found in the form of hematite is found in small deposits which were mined uneconomically.

3. Some magnetites are also found at various places.

4. Iron ore in the state is found in the north-eastern and south-eastern parts of the state.

The correct answer is the USA. The practice of a written constitution began in early colonial America.