Arsenic contamination in drinking water has been a major issue in districts like Bhojpur, Buxar, Vaishali, etc., due to the Ganga floodplain. This is a recurring question in BPSC and Bihar health-related exams.

Bihar Agricultural University (BAU) is located in Sabour, Bhagalpur. It's one of the key universities that focuses on agricultural research, education, and development for Bihar’s agrarian economy.

Shri Krishna Science Centre in Patna is a well-known institution under the National Council of Science Museums (NCSM) that promotes scientific learning through interactive exhibits. It’s often referred to in BPSC and teacher eligibility exams.

Although ARIES is in Uttarakhand, it was named in honor of Aryabhata in 2004, commemorating his birth in the Bihar region.

Pawapuri is a revered Jain pilgrimage site where Lord Mahavira attained Nirvana and was cremated.

Jat-Jatin is a traditional folk dance of Bihar, representing themes of love, separation, and rural life.

Dr. Rajendra Prasad, India’s first President from Bihar, received the Bharat Ratna in 1962 for his contributions to the nation.

Tapti River flows in central India; it doesn't touch Bihar. Son, Koshi, and Gandak are key rivers of Bihar.

On 22 March 1912, Bihar and Orissa were carved out from Bengal Presidency to form a separate province during British rule.

Bidesia is a folk theatre form originated by Bhikhari Thakur, often focusing on themes of migration and social issues.

Rajgir is Bihar’s only hill station and a historic city associated with Lord Buddha and Lord Mahavira.

The Madhubani district is globally renowned for its traditional Mithila art using natural colors and intricate patterns.

The Delhi–Panipat Regional Rapid Transit System (RRTS) is being developed for fast rail connectivity.

Shanno Devi became the first woman Speaker of the Haryana Legislative Assembly in 1967.

Panipat is famous for its handloom and textile industry, hence called “City of Weavers.”

The Mahabharata war was fought in Kurukshetra, which lies in present-day Haryana.

The blackbuck is the state animal of Haryana.

The Phogat family from Haryana is well-known in Indian wrestling.

Sultanpur National Park in Gurugram is a major bird sanctuary attracting migratory species.

Bhiwani is the largest district of Haryana in terms of area.

According to the 2011 Census, Haryana’s literacy rate was approximately 75.6%.

According to the 2015 report, Uttarakhand ranked 10th in Human Development Index (HDI) among Indian states, performing well in literacy, life expectancy, and standard of living, but had gaps in employment and healthcare access in remote areas.

Nainital, a major tourist destination, faced a serious water crisis in 2015 due to low rainfall, depletion of Naini Lake water levels, and rising tourist footfall, prompting water rationing measures.

Mana, the last Indian village near the Indo-China border, was identified under the Smart Village concept in 2015 to strengthen border development and improve infrastructure for both security and tourism.

After the 2013 floods, the Kedarnath Temple restoration was underway. By 2015, significant progress (around 50%) had been made, including road connectivity, helipad repairs, and temple infrastructure.

Jim Corbett National Park, established in 1936 as Hailey National Park, completed 80 years in 2015. It holds the distinction of being India’s first national park and is famous for its tiger population.

The Gangotri Glacier, one of the largest in the central Himalayas and a source of the Ganges, was reported to be retreating by around 22 meters per year, signaling the impact of climate change in the region.