Bihar Police 7 August 2024 question and Answer Key in English
The two numbers whose sum is 28 and product is 187 are:
- Answer: 11, 17
If ax^2+bx+c=0 is a quadratic equation, the value of ‘a’ cannot be:
- Answer: 0
Ram takes a loan of ₹10,000 at an annual interest rate of 7.5%. How much interest does he have to pay at the end of the year?
- Answer: ₹750
If tanA= 1/2, what is the value of Cos A?
- Answer: 1/√5
A car takes 3 hours to reach a destination at a speed of 50 km/hr. By how much should the speed be increased so that the car takes 2 1/2 hours to reach the same destination?
- Answer: 10 km/hr
Which of the following options is correct?
- Answer: The lengths of the tangents drawn from an external point to the circle are equal.
The sum of 15 terms of the arithmetic series 11, 7, 3 is:
- Answer: -255
A diverging mirror is:
- Answer: A convex mirror
An object is moving at a speed of 1.0 m/s. A force “F” is required to stop it over a distance ‘x’. If the speed of the object is increased to 3.0 m/s, what force will be required to stop it over the same distance?
- Answer: 9.0 F
A piece of wire with resistance R is cut into six equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R’, what is the value of R/R’?
- Answer: 36
In which of the following media does sound travel the fastest?
- Answer: Steel
A student ‘X’ made a circuit to verify Ohm’s law. He made some mistakes in the circuit. The mistakes can be corrected by:
- Answer: Connecting the ammeter (A) in series and the voltmeter (V) in parallel with the circuit.
If the mass of an object is quadrupled and its velocity is halved, its momentum will:
- Answer: Remain the same
The most important safety device to protect electrical equipment from overloading is:
- Answer: Fuse
Which of the following gases burns with a pop sound?
- Answer: H₂ hydrogen gas
To prove that life originated from organic molecules, Miller and Urey conducted an experiment. The gases they used were:
- Answer: Methane, Ammonia, Hydrogen Sulfide
The atomic symbol for Iron is:
- Answer: Fe
The nature of bonds in a water molecule is:
- Answer: Covalent bond
What is the number of structural isomers for C6H14?
- Answer: 5
An alpha particle is:
- Answer: A doubly charged helium ion
Which of the following is a mixture?
- Answer: Air
Which of the following correctly represents the decreasing order of reactivity of metals?
- Answer: K > Al > Zn > Cu
What is the hybridization state of the oxygen atom in water?
- Answer: sp³
Which mineral is found in monazite sand?
- Answer: Thorium
Who named the liquid biological substance present in the cell as protoplasm?
- Answer: J. E. Purkinje
Which simple permanent tissue provides mechanical strength to plant parts?
- Answer: Sclerenchyma
Green leaves store food substances in the form of:
- Answer: Starch
The place where sperm meets the egg is:
- Answer: Fallopian tube
__________ is the main coordination center of the human body.
- Answer: Brain
__________ in SER play an important role in detoxifying poisons and drugs.
- Answer: Liver cells
Match Column I with Column II and choose the correct option:
| Column I | Column II |
|---|---|
| 1. Fluid connective tissue | iii. Blood |
| 2. Epithelial tissue | ii. Skin |
| 3. Joint surfaces | iv. Cartilage |
| 4. Nervous tissue | i. Spinal cord |
- Answer: 1-iii, 2-ii, 3-iv, 4-i
The skeleton made of hard calcium carbonate is a characteristic of:
- Answer: Echinodermata
Which of the following statements about lymph is incorrect?
- Answer: Lymph transports digested and absorbed amino acids from the intestines.
What type of colloid is the yolk of an egg?
- Answer: Emulsion
Which of the following is absent in almost all plant cells?
- Answer: Centrosome
What type of reproduction occurs in Plasmodium?
- Answer: Multiple fission
How does budding in Hydra ensure genetic stability in offspring?
- Answer: Buds in Hydra arise from mitotic division.
In some reptiles, sex determination is entirely dependent on the environment. It has been observed that:
- Answer: Sex determination depends on the incubation temperature of the fertilized egg.
Where is ISRO’s Human Space Flight Centre located?
- Answer: Bengaluru
The field that uniquely identifies records in a table is called:
- Answer: Primary key
What connects the input, processing, and output devices in a computer?
- Answer: Motherboard
Who was the architect of the Taj Mahal?
- Answer: Ustad Ahmad Lahauri
Where was the famous physician Jivaka, associated with Bimbisara, a resident?
- Answer: Rajgir
__________ were associated with the lord in the same way that the knights were associated with the king in medieval times.
- Answer: Knights
Who led the Third Estate when they gathered at the Tennis Court on June 20, 1789?
- Answer: Mirabeau and Abbe Sieyes
Which invention by Henry Cort made it possible to produce pure and good iron?
- Answer: Puddling
On which day did Rabindranath Tagore call for the observance of the Partition Day on October 16, 1905?
- Answer: Mourning Day
Where was the Dargah of Sheikh Nizamuddin Auliya located?
- Answer: Ghiyaspur
Which river is also known as the Dakshin Ganga?
- Answer: Godavari
Which of the following is not a geo-stationary satellite?
- Answer: Jugnu
What is the name of the new alluvial soil in Gujarat?
- Answer: Mata
Match the following correctly:
| Column I | Column II |
|---|---|
| 1. Koyna | c. Maharashtra |
| 2. Iturangaram | d. Telangana |
| 3. Sariska | a. Rajasthan |
| 4. Chandraprabha | b. Uttar Pradesh |
- Answer: 1-c, 2-d, 3-a, 4-b
Match List I with List II and choose the correct answer:
| List I | List II |
|---|---|
| 1. Bhabar | ii. Porous |
| 2. Terai | iii. Dense forests and wildlife |
| 3. Bhangar | iv. Old alluvium |
| 4. Khadar | i. New alluvium |
- Answer: 1-ii, 2-iii, 3-iv, 4-i
Match the following:
| River | Tributary |
|---|---|
| 1. Godavari | iii. Wainganga |
| 2. Ganga | iv. Kosi |
| 3. Krishna | ii. Koyna |
| 4. Cauvery | i. Amaravati |
- Answer: 1-iii, 2-iv, 3-ii, 4-i
In which Indian state is the archaeological site of Pilibanga located?
- Answer: Rajasthan
According to the 2011 Census, which state in India has the highest population density?
- Answer: Bihar
Which of the following is not an administrative classification of forests in India?
- Answer: State Forest
What is Sowa Rigpa?
- Answer: Traditional medicine system of the Himalayas
Which of the following factors does not determine the quality of the population?
- Answer: Inflation
Which of the following is an example of non-market activities?
- Answer: Ram has a cow and he consumes its milk himself.
Which of the following is not true for multinational corporations?
- Answer: Goods and services are not produced globally.
On May 31, 2024, how many institutions were members of the United Nations Academic Impact?
- Answer: 1595
When was the Right to Information Act passed?
- Answer: 2005
Which year has the United Nations declared as the “International Year of Millets”?
- Answer: 2023
What mechanism did the Supreme Court develop in the early 1980s to increase access to justice?
- Answer: Public Interest Litigation (PIL)
Who holds the ultimate authority to make laws in any country?
- Answer: Parliament
Who presents the annual financial statement in both houses of Parliament?
- Answer: Finance Minister
What does the original jurisdiction of the Supreme Court include?
- Answer: Settling disputes between the Union and states or between states
What is the constitutional provision regarding the number of members in the Legislative Council of a state?
- Answer: The number shall not exceed 1/3 of the total number of members in the Legislative Assembly of the state.
When were the elections to the Constituent Assembly held?
- Answer: July, 1946
Who removes judges of the Supreme Court and High Courts from office?
- Answer: President if the Parliament passes a resolution to that effect
Sama Chakeva is a festival of Bihar. It is dedicated to which relationship?
- Answer: Brother and Sister
In which year did Bihar attain statehood, and Patna became its capital?
- Answer: 1936
In which district of Bihar is the National Research Centre on Litchi located?
- Answer: Muzaffarpur
Who was the Governor of Bihar when President’s rule was first imposed in the state?
- Answer: Jayaram Das
Choose the incorrect statement:
- Answer: Bihar was granted full statehood under the Government of India Act, 1919, in 1936.
Fill in the blanks: Bihar has _______ wildlife sanctuaries, _______ national parks, and _______ tiger reserves.
- Answer: 12, 2, 1
In which category did Bihar State Power Transmission Company Limited win the 3rd LDC Excellence Award 2023?
- Answer: Large Load Dispatch Center
What is the name of the missile inducted into the Indian Navy and IAF in April 2024?
- Answer: Rampage
Which company provides helicopter services to ONGC and its offshore operations?
- Answer: Pawan Hans Helicopters Limited
Who is the author of the book “The Conspiracy to Oust Me from the Presidency”?
- Answer: Gotabaya Rajapaksa
Who was honored with France’s highest civilian award in 2024?
- Answer: S. Jaishankar
Which award is given for performance as a goalkeeper?
- Answer: Hockey India Baljit Singh Award
Which of the following missiles is an anti-tank missile?
- Answer: Nag
Where did Prime Minister Narendra Modi inaugurate the country’s first underwater metro train in March 2024?
- Answer: Kolkata
Where was the Indian Air Force’s exercise “Gagan Shakti-2024” held?
- Answer: Rajasthan
Bihar Police Question 7 August 2024 Question Pdf (in English)
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