71st BPSC Prelims 2025 Question Paper
Explore the complete solved question paper for 71st BPSC Prelims 2025 featuring 150 solved questions with bilingual (English & Hindi) explanations, official answer key, and subject weightage breakdown.
Who became Chief Minister of Bihar in March 1939?
Detailed Explanation:
Shri Krishna Singh (also known as Sri Babu) became the Chief Minister of Bihar in March 1939 under the Government of India Act, 1935.
He later served as the first Chief Minister of independent Bihar (1947–1961), the longest-serving Chief Minister in Bihar's history. Anugraha Narain Singh was his Deputy Chief Minister, while Rajendra Prasad became India's first President, not a Chief Minister.
Who was murdered while hoisting the national flag under the area of Bikram Police Station?
Detailed Explanation:
Raghunath Singh of Gorakhari was a freedom fighter from Bihar who was shot dead by police while hoisting the national flag under the jurisdiction of Bikram Police Station during the Indian independence movement.
This act of patriotic defiance against British colonial rule is recorded in the history of Bihar's freedom struggle, making him a recognized martyr of the independence movement.
Who was the prominent leader of Kisan Sabha movement in Bihar?
Detailed Explanation:
Swami Sahajanand Saraswati founded the Bihar Provincial Kisan Sabha (BPKS) in 1929 and became the founding president of the All India Kisan Sabha (AIKS) in 1936.
Raj Kumar Shukla was associated with the Champaran Satyagraha (1917), Acharya Narendra Dev contributed to the national peasant movement but not specifically as Bihar's Kisan Sabha leader, and Baba Ram Chandra led the peasant movement in Awadh (Uttar Pradesh).
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Champaran Agrarian Committee was appointed in agreement between:
Detailed Explanation:
Champaran Agrarian Committee (1917) was appointed through an agreement between the Indian Government and Mahatma Gandhi after his successful Satyagraha against the exploitative Tinkathia system.
Gandhi was made a member of the committee, marking official recognition of his role in the movement. Raj Kumar Shukla invited Gandhi to Champaran, while Rajendra Prasad and Anugraha Narayan Singh assisted but were not party to the government agreement.
Which Congress leader visited Bihar in 1918 in order to strengthen the activities of Home Rule League?
Detailed Explanation:
Annie Besant visited Bihar in 1918 to strengthen the Home Rule League activities, expanding the movement beyond her southern India base (started 1916).
B.G. Tilak led the Home Rule League in Maharashtra, not Bihar; Mahatma Gandhi was in Champaran in 1917 for agrarian issues, not the Home Rule League in 1918; M.A. Ansari was not associated with this specific visit.
Which Act provided for the partition of India into two new dominions - India and Pakistan?
Detailed Explanation:
Indian Independence Act, 1947 was passed by the British Parliament on 18 July 1947 and came into effect on 15 August 1947.
It legally ended British rule and partitioned British India into two independent dominions: India and Pakistan, each with its own Governor-General and Constituent Assembly.
The Government of India Act, 1919 introduced dyarchy in provinces, while the Government of India Act, 1935 provided for provincial autonomy and an All-India Federation – neither provided for partition.
Who raised the cry "Divide and Quit"?
Detailed Explanation:
M.A. Jinnah, leader of the All-India Muslim League, raised the slogan "Divide and Quit" in 1942 as a counter to Gandhi's "Quit India" movement.
The slogan demanded that British must first partition India to create Pakistan before leaving, reflecting the Muslim League's insistence on a separate nation for Muslims before independence.
"We shall either free India or die in the attempt ..." who said it?
Detailed Explanation:
Mahatma Gandhi spoke these words on 8 August 1942 at the launch of the Quit India Movement in Bombay.
The phrase "Do or Die" encapsulated his call for decisive action to achieve complete independence from British rule through non-violent mass struggle.
Who assumed the command of the Indian National Army and gave famous battle cry, 'Chalo Delhi'?
Detailed Explanation:
Subhash Chandra Bose assumed command of the Indian National Army (INA) in 1943 in Singapore after Rash Behari Bose handed over leadership to him.
He gave the famous battle cry "Chalo Delhi" (March to Delhi) to rally INA soldiers to march towards India and overthrow British rule; Mohan Singh had initially formed the INA in 1942, and Shah Nawaz Khan served as a senior officer under Bose.
Which Commission accentuated the discontent in all the political groups and parties for not associating any Indian member in it?
Detailed Explanation:
Simon Commission (1928) was an all-British seven-member body with no Indian representation, sent to review constitutional reforms.
Its exclusion of Indians sparked nationwide boycotts and the famous "Simon Go Back" protests, uniting Congress, Muslim League and other parties in opposition.
Cripps Mission (1942) consulted Indian leaders; Welby Commission (1895) examined military expenditure; Cabinet Mission (1946) included Indian participation in discussions.
In mycorrhizal association, the advantage of plant is :
Detailed Explanation:
Mycorrhizal association is a symbiotic relationship between fungi and plant roots where the fungal hyphae increase root surface area for enhanced mineral absorption (especially phosphorus) and form a protective barrier against soil-borne pathogens.
✅ Option 4 – Correct: Increased mineral absorption and disease protection are the two primary advantages the plant receives from mycorrhizal fungi.
❌ Option 1 – Incomplete: Protection is only one of the benefits.
❌ Option 2 – Incorrect: The plant provides food (carbohydrates) to the fungus, not vice versa.
❌ Option 3 – Incorrect: Combines an incomplete and an incorrect option.
Ozone day is celebrated on:
Detailed Explanation:
International Day for the Preservation of the Ozone Layer is celebrated on 16th September every year, commemorating the signing of the Montreal Protocol in 1987.
5th June – World Environment Day; 21st April – no global environmental day; 5th December – World Soil Day.
The part which we eat in Mango is :
Detailed Explanation:
Mango is a drupe fruit with three layers in its fruit wall (pericarp).
The epicarp is the outer skin, the mesocarp is the thick, fleshy, edible middle layer, and the endocarp is the hard stone surrounding the seed.
We eat the mesocarp – the juicy, sweet flesh of the mango.
Who was first to use the characteristics of vascular tissues in the classification of plants?
Detailed Explanation:
Augustin Pyramus de Candolle was the first botanist to use vascular tissue characteristics (xylem and phloem) for plant classification, dividing plants into vascular (tracheophytes) and non-vascular (bryophytes) groups.
Engler and Prantl developed a phylogenetic system later, while Bentham and Hooker used morphological traits in their natural system, neither being first to use vascular tissues.
Xylem in plants is responsible for following function:
Detailed Explanation:
Xylem is a vascular tissue that transports water and dissolved minerals upward from roots to stems and leaves.
Phloem transports organic nutrients (food and amino acids), while gases diffuse through stomata and intercellular spaces, not through xylem.
Which of the following is a Kharif crop?
Detailed Explanation:
Kharif crops are sown during the monsoon season (June–July) and harvested in autumn (September–October), requiring hot and humid weather with adequate rainfall.
Sugarcane is a Kharif crop with a long growing period planted during the rainy season. Barley, Gram, and Wheat are Rabi crops sown in winter and harvested in spring.
The species which are in danger of extinction are known as?
Detailed Explanation:
Endangered species are those facing very high risk of extinction in the near future due to factors like rapid population decline or habitat loss.
IUCN Red List categories classify species as: Vulnerable (lower risk), Endangered (high risk), Critically Endangered (extremely high risk), Extinct in the Wild, and Extinct (no longer existing).
Answer: Option 3 – Endangered
Which of the following is a non-sense codon?
Detailed Explanation:
Nonsense codons (also called stop codons) signal the termination of protein synthesis and do not code for any amino acid. The three stop codons are UAA, UAG, and UGA.
AUG is the start codon coding for methionine; UUU codes for phenylalanine; UGC codes for cysteine. Only UAA is a nonsense codon among the given options.
The biological membranes are composed of:
Detailed Explanation:
Biological membranes consist of a phospholipid bilayer with embedded proteins in varying proportions.
The exact ratio of lipids and proteins is specific to each species, cell type, and organelle – e.g., mitochondrial membranes have different composition than plasma membranes.
Which class of immunoglobulin is the first to be produced in response to an infection?
Detailed Explanation:
IgM (Immunoglobulin M) is the first antibody produced during the primary immune response to a new infection.
IgM has a pentamer structure that enables rapid agglutination and complement activation, providing immediate defense before IgG levels rise in secondary responses.
71st BPSC Prelims 2025 Questions Paper - Subject-wise Question Distribution
Current Affairs
43 Qs (28.7%)General Science
29 Qs (19.3%)Modern History
17 Qs (11.3%)Indian Polity
14 Qs (9.3%)Bihar Special
13 Qs (8.7%)Indian Geography
11 Qs (7.3%)General Mental Ability
9 Qs (6%)Ancient History
5 Qs (3.3%)World Geography
3 Qs (2%)Medieval History
2 Qs (1.3%)Indian Art & Culture
2 Qs (1.3%)World History
1 Qs (0.7%)Environment & Ecology
1 Qs (0.7%)71st BPSC Prelims 2025 Question Paper - FAQs & Analysis
Q1 How many total questions were asked in 71st BPSC Prelims 2025?
Q2 What is the subject-wise question breakdown for 71st BPSC Prelims 2025?
- Current Affairs: 43 questions (28.7%)
- General Science: 29 questions (19.3%)
- Modern History: 17 questions (11.3%)
- Indian Polity: 14 questions (9.3%)
- Bihar Special: 13 questions (8.7%)
- Indian Geography: 11 questions (7.3%)
- General Mental Ability: 9 questions (6%)
- Ancient History: 5 questions (3.3%)
- World Geography: 3 questions (2%)
- Medieval History: 2 questions (1.3%)
- Indian Art & Culture: 2 questions (1.3%)
- World History: 1 questions (0.7%)
- Environment & Ecology: 1 questions (0.7%)