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Question 151

BPSC AEDO 2025• Test

World famous painting is found in which district of Bihar?

  1. AOption (a)

    Madhubani

  2. BOption (b)

    Madhepura

  3. COption (c)

    Darbhanga

  4. DOption (d)

    Samastipur

View answer & explanation

Correct answer

Answer: (a)A.

Madhubani

Why this answer is correct

The correct answer is Option 1.

Key Points

  • Madhubani paintings originate from the Madhubani district of Bihar, India. This district is part of the Mithila region. Hence option 1 is correct
  • It is globally recognized for its vibrant colors, intricate patterns, and cultural significance.

Additional Information

  • Madhepura: Known for agriculture, not associated with traditional paintings.
  • Darbhanga: Part of the Mithila region but not the core area for Madhubani art.
  • Samastipur: Primarily known for agricultural and industrial activities, not art.

Question 152

BPSC AEDO 2025• Test

The Tribal Movement-Santhal hool (Rebellion) took place in

  1. AOption (a)

    1857-58

  2. BOption (b)

    1858-59

  3. COption (c)

    1855-56

  4. DOption (d)

    1854

View answer & explanation

Correct answer

Answer: (c)C.

1855-56

Why this answer is correct

The correct answer is Option 3

Key Points

  • The Santhal Rebellion, also known as the Santhal Hool, took place in the present-day states of Jharkhand and Bengal (Purulia, Birbhum, and Bankura) from 1855–1856. Hence option 3 is right.
  • The Santhal Rebellion was a tribal uprising against the British colonial authority and the zamindari system.
  • The rebellion was led by Sidhu and Kanhu Murmu.
  • The Santhals were an ethnic group who were concentrated in the eastern part of India.
  • The rebellion was a result of the Permanent Land Settlement of 1793, which took land from the Santhals.
  • The Santhals used guerrilla warfare tactics, which included forming their own armies and dismantling railway and postal communications.
  • The rebellion was eventually suppressed by the presidency armies.

Question 153

BPSC AEDO 2025• Test

Steam methane reforming technique is used to obtain

  1. AOption (a)

    Brown Hydrogen

  2. BOption (b)

    Grey Hydrogen

  3. COption (c)

    Green Hydrogen

  4. DOption (d)

    None of the above

View answer & explanation

Correct answer

Answer: (b)B.

Grey Hydrogen

Why this answer is correct

The correct answer is Option 2.

Key Points

  • Steam methane reforming (SMR) is a widely used method to produce hydrogen by reacting methane with steam. However, it emits carbon dioxide, making it a source of grey hydrogen, which is not environmentally friendly. Hence option 2 is correct.

Additional Information

  • Brown Hydrogen: Derived from coal gasification, not SMR.
  • Green Hydrogen: Produced using renewable energy and water electrolysis, with no carbon emissions, unlike SMR.

Question 154

BPSC AEDO 2025• Test

The ratio of total deposits that a Commercial Banks must keep with Reserve Bank of India is called

  1. AOption (a)

    Legal Reserve Ratio

  2. BOption (b)

    Statutory Liquidity Ratio

  3. COption (c)

    Cash Reserve Ratio

  4. DOption (d)

    Deposit Ratio

View answer & explanation

Correct answer

Answer: (c)C.

Cash Reserve Ratio

Why this answer is correct

The correct answer is Option 3.

Key Points

  • The Cash Reserves Ratio (CRR) refers to the proportion of total deposits of the commercial banks which they must have keep as cash reserves with the central bank i.e. Reserve Bank of India. Hence option 3 is right.
  • The CRR is a percentage of a bank's total deposits.
  • Banks can't use the CRR money for investments or lend it to borrowers.
  • Banks also don't earn interest on the CRR money.
  • The RBI uses the CRR to control the money supply in the economy.

Additional Information

  • The Statutory Liquidity Ratio (SLR) is a minimum percentage of a bank's deposits that must be kept in liquid assets. The Reserve Bank of India (RBI) sets the SLR and has the power to increase it.
  • A Deposit ratio is a financial metric that compares the amount of deposits a bank has to its capital or investments. It's used to assess the risk level of a bank and how much of its funds are being invested.

Question 155

BPSC AEDO 2025• Test

The Tropic of Cancer passes through which of the following States?

  1. AOption (a)

    Madhya Pradesh

  2. BOption (b)

    Orissa

  3. COption (c)

    Uttar Pradesh

  4. DOption (d)

    Meghalaya

View answer & explanation

Correct answer

Answer: (a)A.

Madhya Pradesh

Why this answer is correct

The question has been deleted by the commission. We have updated the options.

The correct answer is Option 1.

Key Points

  • The Tropic of Cancer is the imaginary line at 23.50 degree North of the Equator. In India, Tropic of Cancer passes through 8 states. Rajasthan, Gujarat, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura and Mizoram. Hence option 1 is right.

Additional Information

  • The Tropic of Cancer is the northernmost point where the sun's declination is at its maximum.
  • On the summer solstice, which is usually around June 21, the sun's rays directly hit the Tropic of Cancer.
  • The Tropic of Cancer marks the northern boundary of the tropical zone, which also includes the Tropic of Capricorn.

Question 156

BPSC AEDO 2025• Test

Which of the following are matters on which a constitutional amendment is possible only with the ratification of the legislature of not less than one-half of the states?

  1. Election of the President.

  2. Representation of States in Parliament.

  3. Any of the lists in the 7th Schedule.

  4. Abolition of the Legislative Council of a State.

Choose the correct answer.

  1. AOption (a)

    2, 3 and 4

  2. BOption (b)

    1, 2 and 4

  3. COption (c)

    1, 3 and 4

  4. DOption (d)

    1, 2 and 3

View answer & explanation

Correct answer

Answer: (d)D.

1, 2 and 3

Why this answer is correct

The correct answer is option 4.

Key Points

  • Election of the President: Any change in the election process of the President requires a constitutional amendment ratified by at least half the states, as it affects the federal structure.
  • Representation of States in Parliament: Changes in state representation require state ratification to ensure federal balance.
  • Any of the lists in the 7th Schedule: Alteration in the distribution of powers between Union and States needs ratification, as it impacts federalism. Hence option 4 is right.

Additional Information

  • Abolition of the Legislative Council of a State: This can be done via a simple majority in Parliament after the state legislature passes a resolution for abolition, and it does not require a constitutional amendment with state ratification.

Question 157

BPSC AEDO 2025• Test

Standard electrode potential of three metals A, B and C are respectively 0.5 V, -3 V and -1.2 V. Reducing power of these metals would be

  1. AOption (a)

    A > C > B

  2. BOption (b)

    B > C > A

  3. COption (c)

    C > B > A

  4. DOption (d)

    None of the above

View answer & explanation

Correct answer

Answer: (b)B.

B > C > A

Why this answer is correct

The correct answer is option 2.

Key PointsThe reducing power of a metal is inversely proportional to its standard electrode potential (E°). Lower (more negative) electrode potential indicates stronger reducing power. Hence option 2 is correct. 

  • Order of Reducing Power:
  • Metal B (-3 V): Lowest E°, highest reducing power.
  • Metal C (-1.2 V): Intermediate E°, moderate reducing power.
  • Metal A (0.5 V): Highest E°, least reducing power.
  • Final Order of Reducing Power:
  • B > C > A

Question 158

BPSC AEDO 2025• Test

At what time between 2 and 3 O'Clock will the hands of a clock be together?

  1. AOption (a)

    3821138\frac{2}{11} minutes past 2

  2. BOption (b)

    38101138\frac{10}{11} minutes past 2

  3. COption (c)

    10104310\frac{10}{43} minutes past 2

  4. DOption (d)

    10101110\frac{10}{11} minutes past 2

View answer & explanation

Correct answer

Answer: (d)D.

10101110\frac{10}{11} minutes past 2

Why this answer is correct

The Correct answer is Option 4. 

Key Points

Express each hand’s angle from 12 o’clock:

Minute hand speed: 6° per minute.

Hour hand speed: 0.5° per minute, with a 60° head start at 2:00.

Set up the equation for coincidence:

Let t be the number of minutes after 2:00. We want the minute hand’s angle to equal the hour hand’s angle:

6t  =  60  +  0.5t

Simplifying:

6t − 0.5t = 60 → 5.5t = 60 → t = 60 / 5.5 = 120 / 11 = 10 10⁄11 minutes

Therefore, the hands coincide at 10 10⁄11 minutes past 2, 

Hence Correct answer is Option 4.

Question 159

BPSC AEDO 2025• Test

The term Zillillah was first used by

  1. AOption (a)

    Alauddin Khilji

  2. BOption (b)

    Akbar

  3. COption (c)

    Balban

  4. DOption (d)

    Iltutmish

View answer & explanation

Correct answer

Answer: (c)C.

Balban

Why this answer is correct

The correct answer is option 3.

Key Points

  • Zill-i-Ilahi, meaning "Shadow of God," was a title first used by Balban, the Delhi Sultan, during his reign (1266–1287). Hence option 3 is the correct answer.
  • Balban adopted this title to strengthen the concept of divine kingship and establish his authority as being ordained by God.
  • This reflected his attempt to consolidate power and elevate the status of the Sultan above other nobles and rulers.

Additional Information

  • Alauddin Khilji: Known for his market reforms and military conquests.
  • Akbar: Known for his policy of Sulh-i-Kul (universal peace) and religious tolerance.
  • Iltutmish: Laid the foundation of the Delhi Sultanate.

Question 160

BPSC AEDO 2025• Test

Which company became the first Indian company to cross the 200 billion USD market capitalization in 2023?

  1. AOption (a)

    Infosys

  2. BOption (b)

    HDFC Bank

  3. COption (c)

    TCS

  4. DOption (d)

    Reliance Industries

View answer & explanation

Correct answer

Answer: (d)D.

Reliance Industries

Why this answer is correct

The correct answer is option 4.

Key Points In 2023, Reliance Industries Limited (RIL) became the first Indian company to surpass a market capitalization of $200 billion. Hence option 4 is the correct answer. 

Additional Information

  • Founded by Dhirubhai Ambani in 1973.
  • Currently led by Mukesh Ambani, who has significantly expanded the company.
  • Operates in diverse sectors, including:
  • Petrochemicals and Refining: World's largest single-location refinery in Jamnagar.
  • Telecommunications: Reliance Jio revolutionized India's telecom sector with affordable data and 4G services.
  • Retail: India's largest retail chain with Reliance Retail.
  • Energy Transition: Expanding into renewable energy and green hydrogen$.