The prehistoric rock art in the Kaimur Hills of Bihar primarily depict animals. The art is found in over 100 sites in the hills, and dates back to between 10,000 and 20,000 years ago. The animals depicted include elephants, tigers, rhinoceroses, deer, and birds. The art is often very detailed, and shows the animals in a variety of poses. It is thought that the art was created by hunter-gatherers, and may have been used for religious or ritual purposes.
The rock art in the Kaimur Hills is a valuable record of the prehistoric people who lived in the area. It provides insights into their culture, beliefs, and way of life. The art is also a beautiful and unique example of prehistoric art.
The other options are incorrect because they do not accurately reflect the content of the rock art. Human figures are depicted in some of the rock art, but they are not the primary subject. Geometric patterns and religious symbols are also found in the rock art, but they are not as common as animal depictions.