Bihar was separated from Bengal and established as a separate administrative unit in 1912. In 2000, Jharkhand was carved out from Bihar.

Bihar covers an area of 94,163 square kilometers, making it one of the smaller states by area in India.

The Ghaghara River forms the northern boundary between Bihar and Uttar Pradesh.

Madhubani district is renowned for its traditional Mithila paintings, a distinctive folk art form with origins in Hindu mythology and nature themes.

AIIMS Patna was established in 2012 as part of the Government of India's initiative to expand quality medical education and healthcare in tier-II cities.

The correct administrative hierarchy in Bihar is: State (governed by Chief Minister) > Division > District (governed by Deputy Commissioner) > Block > Panchayat (gram-level governance).

The Champaran Satyagraha (1917) in Bihar was primarily about peasant exploitation by British indigo planters. Gandhi's intervention helped secure justice for peasants forced to grow indigo at exploitative rates.

Southern Bihar, particularly in areas like Gaya and Aurangabad, is characterized by tropical deciduous forests which shed leaves in the dry season.

# Solution: Valmiki National Park's Primary Conservation Focus

Valmiki National Park in Bihar is named after the ancient sage Valmiki and serves as a crucial wildlife sanctuary in eastern India dedicated to protecting endangered species and their habitats.

Step 1: Identify the Location and Significance

Valmiki National Park is located in West Champaran district of Bihar, near the Nepal border, making it an important conservation area in the northeastern region of India.

Step 2: Recognize the Primary Conservation Animal

The park is primarily established and managed for the conservation of the Bengal Tiger, which is an endangered species listed under Schedule I of the Indian Wildlife Protection Act, 1972. The park also protects other animals like wild elephants and various bird species, but tigers are the flagship species and the main focus of conservation efforts.

The correct answer is (A) Bengal Tiger.

Patna district consistently shows one of the highest literacy rates in Bihar, being the state capital with better educational infrastructure and awareness.