Explanations:The question pertains to the identification of plant species native to Rajasthan, a state in India known for its arid and semi-arid climate. The plants mentioned—cactus, khair, Babool, and Keekar—are all well-adapted to the harsh conditions of Rajasthan, which include high temperatures, low rainfall, and sandy or rocky soil.
Cactus, a succulent plant, is well-known for its ability to store water in its thick, fleshy stems, making it highly resilient to drought conditions. Khair (Acacia catechu) and Babool (Acacia nilotica) are both types of acacia trees that are common in Rajasthan. These trees have deep root systems that allow them to access water from deep underground, and they can survive in areas with low rainfall. Keekar (Acacia nilotica) is another name for Babool and is similarly adapted to the arid conditions of Rajasthan.
The climate of Rajasthan is characterized by hot summers and cold winters, with very little rainfall. The average annual rainfall in Rajasthan is around 600 mm, which is much lower than the national average. This climate is unsuitable for many plant species, but the ones mentioned are specifically adapted to thrive in such conditions. They have evolved mechanisms to conserve water and withstand high temperatures, making them well-suited to the environment of Rajasthan.
It is important to note that while some of these plants may be found in other parts of India, they are particularly characteristic of Rajasthan due to the specific climatic conditions there. The vegetation of Rajasthan is a reflection of its unique environmental conditions, and understanding the adaptations of these plants is crucial for comprehending the ecological landscape of the region.