Rajasthan Police Constable Mock Test - 2 - Rajasthan Police Constable MCQ

To find the mirror image of the given figure, we will flip the figure horizontally.

Hence, Option 4 is correct.

Logic:

The people who are neither dancers nor musicians but are professionals and not Europeans, means part of circle excluding common of circle with Triangle, Square, and Rectangle.

Hence, 10 is the correct answer.

The pattern followed in the given series is:

Hence the correct answer is option 1).

The logic followed here is :-

First letter if added +2, next letter in subtracted -2 and repeated for next letters in given word.

‘VENDOR’ is written as ‘TMFLGT’.

Similarly,

‘CUSTOM’ will be written as :

Hence, the correct answer is "OMVQWA".

The logic followed here is :-

Hence, the correct answer is "NO".

According to the information given in the question, we can draw the following diagram.

Thus we can see he is facing in south direction.

Hence, the correct answer is "South".

'Doctors' help us in 'healing'.

Similarly,

'Tailors' help us in 'Stitching'.

Hence, 'Stitch' is the term related to the third term in the same way as the second term is related to the first term.

Hence, 'Stitch' is the correct answer.

The pattern followed here is:

In column 1 → 4 + 9 = 13 → 13² = 169

In column 2 → 5 + 15 = 20 → 20² = 400

In column 3 → 6 + 12 = 18 →? = 18² = 324

Hence, 324 is the correct answer.

The pattern followed here is:

According to the alphabetical positions of the letters,

Hence, ‘S400’ is the correct answer.

The correct answer is BUS.

• BUS is a network topology.

Key Points

• Bus Topology :
  • Bus topology is a network setup where each computer and network device is connected to a single cable or backbone.

Additional Information

• Wide Area Network (WAN):
  • It covers the largest area as compared to LAN and MAN. It can cover the whole country.
  • The Internet is the best example of WAN.
• Metropolitan Area Network (MAN):
  • It interconnects the computers/users located in a bigger geographical area as compared to a LAN.
  • For eg.: A chain of emergency response teams across a big city.
• Local Area Network (LAN):
  • The coverage area may be limited to a room or a building or a group of buildings.
  • For eg.: Devices at your home or office are connected to each other or with a common router.
  • Connections can be established either through Ethernet cables or radio waves.

The correct answer is Information and Communication Technology.

Key Points

• Information and communications technology (ICT) is an extensional term for information technology (IT) that stresses the role of unified communications and the integration of telecommunications (telephone lines and wireless signals) and computers, as well as necessary enterprise software, middleware, storage, and audiovisual, that enable users to access, store, transmit, and manipulate information.
• The term ICT is also used to refer to the convergence of audiovisual and telephone networks with computer networks through a single cabling or link system.

Additional Information

• Some important abbreviations used in Computer:
  • BIOS - Basic Input Output System
  • CAD - Computer-Aided Design
  • EDVAC - Electronic Discrete Variable Automatic Calculator
  • EPROM - Erasable Programmable Read-Only Memory
  • FORTRAN - FORmula TRANslation
  • GPRS - General Packet Radio Service

The correct answer is I - C, II - B, III - A.

Key Points

Additional Information

• Digital storage conversation:
  • 8 Bit = 1 Byte
  • 1,024 Bytes = 1 Kilobyte (KB)
  • 1,024 Kilobytes = 1 Megabyte (MB)
  • 1,024 Megabytes = 1 Gigabyte (GB)
  • 1,024 Gigabytes = 1 Terabyte (TB)
  • 1,024 Terabytes = 1 Petabyte (PB)
  • 1,024 Petabytes = 1 Exabyte (EB)

The correct answer is SUM

Key Points

• The SUM function calculates the aggregate of the values in the cells.
  • Its syntax is SUM(value1, value2) where argument 1 is required and argument 2 is optional.
  • Here you can add the individual numbers, cell references, ranges etc as arguments.

• ADD and RANGE are not functions, FORMULA is a tab in Excel. Hence option 4 is correct.

Additional Information

• The Formula tab is used to insert the functions to perform calculations, review the formula, etc.
  • This tab also has an error-checking option that checks for common errors while using formulas.

The correct answer is It processes and stores data.

Key Points

• The computer is a digital computing system designed to perform all kinds of arithmetic and logical operation.
• The computer receives input either from the user or the data stored in the memory, processes it and produces the desired output. Keyboard, mouse, touch-pen, scanner etc. are examples of input devices.
• This processing is done by the CPU or Central Processing Unit. It is known as the brain of the computer. It will process the data and sends it to the output devices. After processing the data it stores the data in the memory.
• The output of the processed data is displayed at the respective output devices. Such as monitors, printers, projector screens and so on.

Additional Information

• The word computer is derived from the word compute. In the year 1833, English mechanical engineer Charles Babbage designed the first analytical engine. He is known as the father of the computer.
• In the beginning, computers are used for calculating large numbers and can only store a small amount of data.

The correct answer is The cell will switch to editing mode so that its content can be modified.

• Function Keys in Excel are the faster way of doing certain tasks by using the keyboard instead of a mouse.
• The F2 key will edit the active cell and put the insertion point at the end of its contents.
• Using the "F2" Key users can edit the contents of a cell in excel.
• Turn off Allow editing directly in cells and pressing F2 will move the insertion point to the formula bar.
• If you press "F2" for an empty cell then it simply allows you to type in the empty cell.

• Pressing the “Alt + F2” keys together will open the “Save As” dialog box.
• Pressing CTRL + F2 keys will open Print options.
• Pressing Shift + F2 keys together will insert a comment in the active cell.
• Pressing "Alt + Shift + F2” will save the active workbook.
• Delete or Backspace key on the keyboard will delete the content in the cell.
• Alt+H+H is the keyboard shortcut to open the Fill Color menu on the ribbon.

The correct option is (2)

Pattern Detection

Key Points

• Data analysis is used to identify incoming patterns and regularities in pattern recognition, a branch of machine learning.
• This information may take the form of text, images, sounds, or other recognizable elements. Even in unfamiliar items, the approach may swiftly and precisely identify partially hidden patterns.
• There are numerous types and kinds of credit card fraud. It can take place in person, on the phone, through text messages, or online.
• The theft of your cards from your mailbox, information theft due to a data breach, and deception via bogus emails are all possible. These are but a few of the options.
• The process of detecting credit card fraud using machine learning includes data analysis by a team of data scientists and the creation of a model that will yield the best results in identifying and stopping fraudulent transactions.

Additional Information

• The only omnichannel website builder that can grow with your business as it expands is X-Cart.
• For fast serve, fine dining, and retail contexts, CARDWATCH is a potent suite of POS applications that also includes a Privilege Management engine.

The correct answer is Parsi.

Key Points

• Parsi:
  • The festival of Navroz (or Nowruz) is celebrated as the New Year by the Parsi community.
  • Parsis follow Zoroastrianism, which was founded in ancient Persia (now Iran).
  • Navroz, or Nowruz, means "new day" and it marks the first day of the Persian calendar.
  • It usually falls on March 21, symbolizing the renewal of nature and life.
  • The festival is marked by feasting, praying, and meeting family and friends.

Additional Information

• Buddhist:
  • The New Year in the Buddhist tradition varies depending on the country and tradition.
  • For example, in Theravada countries, the New Year is celebrated for three days from the first full moon day in April.
• Sindhi:
  • The Sindhi New Year is celebrated on the second day of the lunar month Cheti, which usually falls in late March or early April, and is known as Cheti Chand.
  • It is celebrated in honor of the birth of the Sindhi patron saint Jhulelal.
• Jainism:
  • The Jain New Year starts right after Diwali, one of the most important festivals in India, and it generally falls in late October or early November.
  • It marks the anniversary of the attainment of moksha (liberation) by Mahavira, the last of the Jain Tirthankaras.
  • Jainism is an ancient Indian religion emphasizing non-violence and asceticism.

The correct answer is Assam.Key Points

• Assam is the world's largest tea-growing region.
  • ​According to the Tea Board of India, Assam produced 667.73 M.kgs of tea in 2021.
  • It was followed by West Bengal which accounted for the production of 408.17 M.kgs of tea in 2021.

Additional Information

• The growth of tea requires a hot and humid climate and slightly acidic soil.
• The temperature must be in the range of 20^oC-30^oC.
• It requires an annual distributed rainfall of 150 cm-300 cm.

The correct answer is Ulaanbaatar, Mongolia.

In News

• India-Mongolia to commence joint military exercise ‘Nomadic Elephant'

Key Points

• An Indian Army contingent comprising 43 personnel left for Mongolia to take part in a joint military exercise 'Nomadic Elephant 2023' between India and Mongolia.
• This will be the 15th edition of the exercise between the two nations.
• The exercise is scheduled at Ulaanbaatar, Mongolia.
• The exercise 'Nomadic Elephant' is an annual training event between India and Mongolia, which is conducted alternatively in the two countries
• The last edition of the joint drills was held at Special Forces Training School, Bakloh, in October 2019.
• Soldiers of the Mongolian Armed Forces Unit 084 and Indian Army jawans from the Jammu and Kashmir Light Infantry Regiment will be participating in the exercise.
• This exercise aims to build positive military relations, exchange best practices, and develop inter-operability, bonhomie, camaraderie and friendship between the two armies.

The correct answer is Reduces.

Key Points

• Including detergent in water reduces its surface anxiety.
• Detergents and soaps have something called surface-active retailers, or surfactants for short.
• Those surfactants reduce the surface tension price of water and beautify its capability to paste to matters.

Additional Information

• A slow change or process happens in small stages over a long period of time, instead of suddenly.
• Compounds that lower water's surface tension is referred to as surfactants, which work by using keeping apart the water molecules from each other.
• ​The surface anxiety of water is multiplied by including commonplace salt in it.

The correct answer is Atomic weight.

Key Points

• Mendeleev's periodic law
  • ​The physical and chemical properties of elements are, according to Mendeleev's periodic law, a periodic function of their atomic weights.
  • The periodic physical and chemical properties of elements, according to Mendeleev, are dependent on their atomic weight.
  • As a result, when elements are arranged in ascending order of atomic weight, elements with similar properties are repeated at regular intervals.

Additional Information

• Atomic weight
  • The average weight of an element in relation to all of its isotopes and their relative abundances is known as atomic weight.
  • Units of atomic mass, also referred to as Daltons, are used to measure atomic weight and are typically abbreviated as AMU.
  • It is necessary to take into account the masses of isotopes when calculating the atomic weight.
  • The ratio of a chemical element's mean mass to a predetermined standard is known as its atomic weight, or relative atomic mass.

The correct answer is three.Key Points

• Ozone is a molecule composed of three atoms of oxygen, also referred to as O3.
• A layer of ozone is present in the stratosphere of Earth and prevents the UV rays from reaching the Earth's surface.
• It is an allotrope of Oxygen.
• Ozone, or tri-oxygen, is an inorganic molecule with the chemical formula O3.
• It is a pale blue gas with a distinctively pungent smell.
• Ozone is an excellent oxidizing agent as it breaks down into oxygen gas and nascent oxygen. { O3 → O2 + [O] }.
• It is an allotrope of oxygen that is much less stable than the diatomic allotrope O₂, breaking down in the lower atmosphere to O₂ or di-oxygen.

Additional Information

• The upper stratosphere consists of a considerable amount of ozone (O₃), which protects us from the harmful ultraviolet (UV) radiation coming from the sun.
• These radiations cause skin cancer (melanoma) in humans.
• Therefore, it is important to maintain the ozone shield.
• Ozone in the stratosphere is a product of UV radiations acting on dioxygen (O₂) molecules.
• The UV radiations split apart molecular oxygen into free oxygen (O) atoms.
• These oxygen atoms combine with molecular oxygen to form ozone.

The correct answer is Christina House.

Key Points

• Christina House of the Los Angeles Times has won the 2023 Pulitzer Prize in Journalism in Feature Photography category.
• She won the award for an intimate look into the life of a pregnant 22-year-old woman living on the street in a tent–images that show her emotional vulnerability as she tries and ultimately loses the struggle to raise her child.

Additional Information

• Andrea Long Chu of New York magazine won the Pulitzer Prize in the Criticism category.
• Connie Walker won the Pulitzer Prize in the Audio Reporting category.
• Mona Chalabi won the Pulitzer Prize in the Illustrated Reporting and Commentary category.

The correct answer is Khanan Prahari.

In News

• Government has launched 'Khanan Prahari' and CMSMS to curb unauthorized mining.

Key Points

• The government has launched a mobile app ‘Khanan Prahari’ and a web app Coal Mine Surveillance and Management System (CMSMS) for reporting unauthorized coal mining activities.
• It was launched to curb illegal mining and take transparent action as an e-Governance initiative of the government on the use of Space Technology.
• As of Jan 2023, 462 cases have been reported on the Apps.

Additional Information

• Coal accounts for 55% of the country's energy need.
• India is the second largest producer and consumer of coal after China.
• Commercial primary energy consumption in India has grown by about 700% in the last four decades.
• Top 5 States in terms of total coal reserves in India are: Jharkhand > Odisha > Chhattisgarh > West Bengal > Madhya Pradesh.

The correct answer is: Magnetic force and electrostatic force

Force

• Force is a push or pulls which can change the state of rest or motion, the direction of action, the speed, or the shape of an object.
• It is a vector quantity, that is having both magnitude and direction

Unit of force:

• The SI unit of force is newton (N).
• The CGS unit of force is dyne.
• 1 Newton = 100000 dyne.

Forces are of two types,

• Contact force, and
• Non-contact force.

Contact Forces:

• The force in which physical contact is required is called contact force.
• Examples of contact forces are Frictional force, Normal force, Muscular force, etc.
• Frictional force: The force which opposes the motion is called frictional force.
• It acts on rough surfaces and is essential for walking.
• Muscular force: The force executed by humans to do some task or lift something.
• Normal force acts as the reaction force of the weight of any object.

Non-contact Forces:

• The non-contact force acts without physical touch.
• The gravitational force between two objects acts without physical touch. An apple falling on the earth is an example.
• The electrostatic force acts between two electrically charged particles without touching.
• A magnet attracts or repels other magnetic substances or iron without touching.

So, Magnetic force and Electrostatic force are examples of non-contact forces.

The correct answer is 62.5%.

• According to I. C. A. R., 62.5% of the geographical area of Rajasthan is facing the problems of land degradation.

Key Points

• In Rajasthan, 62.5% of the geographical area is affected by desertification and/or land degradation where,
  • wind erosion is the maximum contributor followed by water, vegetal degradation and salinization (1.07%).

Additional Information

• The Indian Council of Agricultural Research (ICAR) is an autonomous organisation under the Department of Agricultural Research and Education (DARE), Ministry of Agriculture and Farmers Welfare, Government of India.

The correct answer is Coriander city.

• Kota is called Coriander city.

Key Points

• Ramganj APMC Mandi in Kota district is the largest coriander market in Asia and is called 'Corriander City' (Coriander city) or known as 'City of Coriander'.
  • Recently, the Ministry of Food Processing Industries, Government of India has listed coriander as a product of Kota district in the list of 'One district one product'.
  • The 'Hadauti Region' of southeast Rajasthan and the 'Guna District' of Madhya Pradesh are known for coriander production and they contribute significantly to the export of coriander from the country.
  • Common Facility Centers have been set up by the Spice Board at Jodhpur, Ramganj Mandi (Kota), and Masala Parks in Guna.

Additional Information

• World of Corrender Webinar Indian Spices Board and DBT-SABC Biotech Farmers Hub in collaboration with ICAR-NRCSS, Rajasthan State Agricultural Marketing Board, and Kota Agricultural University to increase quality cube production, post-harvest, value addition and increase coriander exports from India But the 'World of Coriander Webinar' was organized on 4 January 2021.

The correct answer is Barmer.

Key Points

• Ajarkha is the term given to a distinctive style of block printed shawls and tiles produced in Sindh, Pakistan, Kutch, Gujarat and Barmer, Rajasthan, India.

Additional Information

Anup Vyavhar Sagar is NOT correct.

• Anup Vyavhar Sagar is not written by Maharaja Anup Singh.

Key Points

• Maharaja Anup Singh (1669-1698 AD) was the son of Karn Singh of the Bikaner Dynasty's
  • His ruling period is known as the Bikaner paintings Golden age.
  • His ruling period is also known for the translation of Ancient Indian text into Rajasthani and Marwari languages.
  • He himself wrote some texts like Anup Vivek, Kam Prabodh, Shradh Prayog, Chintamani, and Geet Govind's Anupoday Tika.
  • Anup Vyavhar Sagar and Anup Vilas were written by Maniram in his court.
  • Tirth Ratnakar was written by Anang Bhatt in his court.

The correct answer is Battle of Bayana.

• Battle of Bayana:
  • It was fought between the army of Babur and Rana Sanga.
  • For this battle, Rana Sanga consolidated all the Rajput ruler's army to fight back the foreign invasion in Rajasthan.
  • Mughals were defeated by Rana Sanga.
  • Sangar Khan, Commander - in - Chief, was defeated and died in the battle of Bayana.
  • On 16 February 1527, Maharana Sanga captured the Bayana Fort.

Additional Information