Sample Test: RRB Group D - RRB Group D / RPF Constable MCQ

Shahzar Rizvi is an Indian professional shooter. He has competed in fgs 10 metre air pistol event and won a gold medal in the year of 2018 ISSF world Cup. He shot a world record score of 242,3 points held  at Mexico.

• Rajiv Gandhi Khel Ratna award: The Rajiv Gandhi Khel Ratna award is India's highest sporting honor, given annually by the Ministry of Youth Affairs and Sports. It was instituted in the year 1991-92 to recognize outstanding achievements in sports by Indian athletes.


• First recipient: The first sportsperson to receive the Rajiv Gandhi Khel Ratna award was Viswanathan Anand. He was conferred with this prestigious award in the year 1991-92 for his exceptional achievements in the field of chess.


• Viswanathan Anand: Anand is a renowned Indian chess grandmaster who has brought laurels to the country with his remarkable performances on the international chess circuit. He is considered one of the greatest chess players of all time.


• Significance: Anand's recognition as the first recipient of the Rajiv Gandhi Khel Ratna award highlights his outstanding contribution to Indian sports and serves as a motivation for aspiring athletes to strive for excellence in their respective fields.

• Bacteria: The microorganism responsible for causing Diphtheria is a bacterium called Corynebacterium diphtheriae.


• Transmission: Diphtheria is spread through respiratory droplets or close contact with an infected individual.


• Effects: The bacteria release toxins that can cause a thick gray coating to form in the throat leading to difficulty breathing and swallowing.


• Complications: If left untreated, Diphtheria can lead to serious complications such as heart damage, nerve damage, and even death.


• Prevention: Vaccination is the most effective way to prevent Diphtheria, with the DTP vaccine being a part of routine childhood immunizations.

• Gangtok: According to the 2011 census data, Gangtok is not the most populous city in the Eastern states of India. It is the capital of the Indian state of Sikkim and has a relatively smaller population compared to other cities in the region.



• Dispur: Dispur is the capital of the Indian state of Assam. However, it is not the most populous city in the Eastern states of India based on the 2011 census data.



• Darjeeling: While Darjeeling is a popular tourist destination in West Bengal, it is not the most populous city in the Eastern states of India according to the 2011 census.



• Guwahati: Guwahati is the largest and most populous city in the Eastern states of India according to the 2011 census. It is the largest city in Assam and serves as an important cultural, educational, and economic hub in the region.

• Enzyme involved: Pepsin


• Explanation: Pepsin is a digestive enzyme that plays a crucial role in breaking down proteins into peptides through the process of hydrolysis. It is produced in the stomach and works in an acidic environment to cleave the peptide bonds in proteins, resulting in the formation of smaller peptides.


• Function: Pepsin specifically targets certain amino acid sequences in proteins and begins the process of protein digestion, which is essential for the body to absorb nutrients and build new proteins.

• Current President: Jim Yong Kim


• Explanation: Jim Yong Kim is the current President of the World Bank as of March 2018. He has been serving in this role since July 1, 2012.


• Background: Jim Yong Kim is a Korean-American physician and anthropologist who previously served as the President of Dartmouth College before assuming his position at the World Bank.


• Responsibilities: As the President of the World Bank, Jim Yong Kim oversees the organization's efforts to reduce poverty and support development projects around the world.


• Selection Process: The President of the World Bank is traditionally nominated by the United States, which is the largest shareholder in the organization, and approved by the Board of Governors.

• State: Assam

• Assam: Kaziranga National Park is located in the state of Assam in Northeast India. It is one of the most well-known national parks in the region.


• Manipur, Meghalaya, Nagaland: While these states are also located in Northeast India, Kaziranga National Park is specifically situated in Assam.

• Location: The thyroid gland is located in the front of the neck below the Adam's apple.


• Function: The thyroid gland produces hormones that regulate metabolism and affect the body’s energy levels.


• Goiter: When the thyroid gland becomes enlarged, it leads to the condition known as goiter.


• Causes of Goiter: Goiter can be caused by iodine deficiency, certain medications, thyroid nodules, inflammation of the thyroid gland, or thyroid cancer.


• Symptoms: Symptoms of goiter include swelling in the neck, difficulty swallowing or breathing, hoarseness, and in some cases, a visible lump in the neck.


• Treatment: Treatment for goiter depends on the underlying cause and may include medications, iodine supplements, or in severe cases, surgery to remove part or all of the thyroid gland.

• Alveoli: Oxygen enters the blood through small air sacs in the lungs called alveoli.


• Diffusion: The process of oxygen entering the blood from the alveoli is called diffusion.


• Capillaries: The alveoli are surrounded by tiny blood vessels called capillaries, where the oxygen diffuses into the bloodstream.


• Exchange: Carbon dioxide, a waste product, is also exchanged for oxygen in the alveoli during this process.


• Transport: Once in the blood, oxygen is then transported by red blood cells to the body's tissues and organs.

• Siliguri: Siliguri is the city often referred to as the 'Gateway to the North East' due to its strategic location at the foothills of the Himalayas. It serves as a major transit point for travelers heading towards the northeastern states of India.


• Geographical Significance: Siliguri is situated at the crossroads of several important national and international trade routes, making it a crucial hub for transportation and trade in the region.


• Connectivity: The city is well-connected by road, rail, and air to various parts of the country, facilitating movement to and from the North East.


• Economic Importance: Siliguri's economy thrives on its role as a commercial center, serving as a gateway for goods entering and exiting the North East region.


• Cultural Diversity: The city is known for its diverse population and vibrant cultural heritage, reflecting the rich tapestry of traditions found in the North East.

• Suez Canal: The Suez Canal is an artificial sea-level waterway in Egypt, connecting the Mediterranean Sea to the Red Sea. It serves as a crucial gateway for international maritime trade between Europe and Asia.


• Caspian Sea: The Caspian Sea is the world's largest inland body of water, bordered by several countries including Russia, Iran, and Kazakhstan. It does not separate Asia and Africa.


• Panama Strait: The Panama Strait is a natural waterway connecting the Pacific Ocean to the Atlantic Ocean, located in Central America. It does not separate Asia and Africa.


• Black Sea: The Black Sea is a marginal sea of the Atlantic Ocean, located between Eastern Europe and Western Asia. It does not separate Asia and Africa.

Therefore, the correct answer is Suez Canal, as it is the waterway that separates the continents of Asia and Africa.

• Dead Sea: The Dead Sea is known for its high salinity levels, which make it extremely buoyant. The water is so dense with minerals that it is nearly impossible for a person to sink. As a result, one can effortlessly float on the surface without even trying to swim.


• Caspian Sea, Red Sea, and Sea of Japan: These water bodies do not have the same high salinity levels as the Dead Sea, so one cannot float without swimming in them.

Approximate Age of the Sun

• Option A: 4.6 billion years




• The approximate age of the Sun is estimated to be around 4.6 billion years.

• Option B: 3.8 million years




• This option is incorrect as 3.8 million years is much younger than the actual age of the Sun.

• Option C: 2 billion years




• This option is also incorrect as 2 billion years is younger than the actual age of the Sun.

• Option D: 650 million years




• This option is incorrect as 650 million years is younger than the actual age of the Sun.

Therefore, the correct answer is Option A: 4.6 billion years

• Assam: Muga silk is native to the state of Assam, located in northeastern India.

• Natural: Muga silk is a natural protein fiber obtained from the silkworm Antheraea assamensis, which feeds on primarily two plants - Som and Soalu.


• Strength: It is known for its golden-yellow color and durability, making it one of the strongest natural fibers.


• Luster: Muga silk has a natural shine and luster, giving it a luxurious appearance.


• Cultural Significance: Muga silk is highly valued in Assam and is often used to make traditional Assamese attire like Mekhela Chador.

• Sericulture: The production of Muga silk involves sericulture, which includes the rearing of silkworms, spinning of cocoons, and extraction of silk threads.


• Handcrafted: Muga silk production is a labor-intensive process and is often done manually by skilled artisans.


• Unique: Muga silk is unique to Assam and plays a significant role in the state's economy and cultural heritage.

• Location: Madurai is a city located in the southern state of Tamil Nadu in India.


• Historical significance: Madurai has a rich historical and cultural heritage, with a history dating back to more than 2500 years.


• Temples: Madurai is famous for its temples, with the Meenakshi Amman Temple being the most prominent one. This temple is dedicated to Goddess Meenakshi, a form of Parvati.


• Architectural marvel: The temples in Madurai are known for their intricate carvings, majestic towers, and vibrant sculptures.


• Pilgrimage site: Madurai attracts millions of pilgrims and tourists from all over the world due to its religious significance and architectural beauty.


• Cultural hub: Madurai is also known for its festivals, music, dance, and traditional cuisine, making it a cultural hub of South India.

• Background: Operation Flood was launched in 1970 by the Indian government to address the milk shortage in the country and make India self-sufficient in milk production.


• Objective: The primary objective of Operation Flood was to increase dairy output and meet the growing demand for milk in India.


• Implementation: The operation focused on creating a national milk grid by linking milk producers with consumers through a cooperative network.


• Phases: Operation Flood was implemented in three phases, with each phase focusing on different aspects of dairy production and distribution.


• Impact: Operation Flood was successful in transforming India from a milk-deficient country to the world's largest milk producer, making dairy farming a profitable venture for millions of farmers.

• Frequency of Colors: The frequency of a color is determined by its wavelength. The color with the highest frequency will have the shortest wavelength.


• Violet: Violet light has the shortest wavelength among all the colors visible to us, ranging from approximately 380-450 nanometers. As a result, it has the highest frequency.


• Red, Indigo, and Orange: In comparison, red light has a longer wavelength (around 620-750 nanometers), followed by orange and indigo. Therefore, violet has a higher frequency than these colors.


• Conclusion: Therefore, among the colors visible to us, violet has the highest frequency due to its shorter wavelength.

• Indian Knowledge: The metal known as Jasada was known to Indians in the 14th century, even though the credit of isolating it was given to European Andreas Marggraf in 1750.


• Metal Identification: The metal referred to as Jasada in Indian texts is actually Zinc.


• Historical Context: The knowledge of Zinc in India dates back centuries before its isolation by Marggraf in Europe.


• Significance: This historical fact demonstrates the advanced knowledge and understanding of metals and chemistry in ancient Indian civilizations.

• Sher Bahadur Deuba has been recently appointed as the new Prime Minister of Nepal.


• He was sworn in as the Prime Minister on July 13, 2021.


• Deuba is a veteran politician in Nepal and has previously served as the Prime Minister on multiple occasions.


• His appointment comes after the Supreme Court of Nepal reinstated the House of Representatives and ordered the appointment of a new Prime Minister.


• Deuba is a member of the Nepali Congress party and has been actively involved in politics for several decades.

• Answer: Arsenal

• Arsenal won the FA Cup for the second consecutive season in 2014-15, defeating Aston Villa 4-0 in the final.


• They had a strong run throughout the competition, beating the likes of Manchester United and Reading on their way to the final.


• The victory marked Arsenal's 12th FA Cup title, making them the most successful team in the history of the competition at that time.


• Their manager, Arsène Wenger, became the most successful manager in FA Cup history with six titles to his name.


• The win also ended a nine-year trophy drought for Arsenal, bringing joy to their fans and solidifying their status as one of the top clubs in English football.

• Hemophilia: Hemophilia is a genetic disorder that impairs the body's ability to make blood clots, which results in abnormal bleeding. It is caused by a deficiency in clotting factors, especially factor VIII (hemophilia A) or factor IX (hemophilia B).

• Hemophilia is an X-linked recessive disorder, meaning it primarily affects males.


• Symptoms of hemophilia include excessive bleeding from minor injuries, easy bruising, and bleeding into joints and muscles.


• Hemophilia can be mild, moderate, or severe, depending on the level of clotting factor present in the blood.

• Treatment for hemophilia involves replacing the missing clotting factor through intravenous infusions.


• Regular infusions can help prevent bleeding episodes and reduce the risk of complications such as joint damage.


• Physical therapy and joint protection techniques are also important in managing hemophilia.

• Definition: Irrigated land refers to land that is artificially supplied with water through irrigation methods such as canals, wells, or other water sources.


• Importance: Irrigated land plays a crucial role in agriculture by ensuring consistent water supply for crops, especially in areas with low rainfall.

• Statistics: Approximately 35% of the total land in India is classified as irrigated land.


• Breakdown: This percentage includes land that is irrigated through various methods such as canal irrigation, tube wells, tanks, and other irrigation sources.

• Agricultural Growth: Irrigation has significantly contributed to the growth of agriculture in India by increasing crop yields and enabling multiple cropping seasons.


• Food Security: The availability of irrigated land ensures food security by providing a steady supply of crops throughout the year.

• A: Bacteria


• B: Fungi


• C: Virus


• D: Protozoan

• Explanation:




• Foot and Mouth Disease (FMD) in animals is caused by a virus, specifically the Foot and Mouth Disease Virus.


• This virus belongs to the genus Aphthovirus and is a member of the Picornaviridae family.


• FMD mainly affects cloven-hoofed animals such as cattle, pigs, sheep, and goats.


• The virus is highly contagious and can spread rapidly among susceptible animals.


• It is primarily transmitted through direct contact with infected animals, contaminated materials, or aerosols.


• Preventive measures such as vaccination and strict biosecurity protocols are crucial in controlling the spread of FMD.

• France: France is one of the five permanent members of the United Nations Security Council.


• Germany: Germany is not a permanent member of the United Nations Security Council.


• Japan: Japan is not a permanent member of the United Nations Security Council.


• Canada: Canada is not a permanent member of the United Nations Security Council.

• The United Nations Security Council has 15 members, with five permanent members and ten non-permanent members.


• The five permanent members of the Security Council are China, France, Russia, the United Kingdom, and the United States.


• These five permanent members have veto power, which means they can block any substantive resolution.


• France has been a permanent member of the Security Council since the establishment of the United Nations in 1945.


• Permanent membership in the Security Council is a result of World War II and the division of power among the victorious allies.

• Estimation of Human Population:




• The correct answer is option D:

  7 billion



• As of the latest estimates, the global human population is around 7 billion.

• Explanation:




• The world's population has been steadily increasing over the years due to advancements in healthcare, agriculture, and technology.


• As of now, the population is estimated to be around 7 billion, with projections indicating further growth in the coming years.


• This increase in population poses challenges such as resource scarcity, environmental degradation, and urbanization.


• It is crucial for governments and organizations to address these challenges through sustainable development practices and policies.

• Fructose: The major composition of honey is fructose, which is a type of sugar found in fruits, honey, and root vegetables. Fructose gives honey its sweet taste and is the main source of energy in honey.


• Glucose: Another important component of honey is glucose, which is another type of sugar that provides energy. Glucose is easily absorbed by the body and is a key source of energy for our cells.


• Turanose: Turanose is a lesser-known sugar that is found in honey. It is a type of disaccharide composed of glucose and fructose molecules and contributes to the overall sweetness of honey.


• Maltose: While maltose is present in honey in smaller amounts compared to fructose and glucose, it is still a significant component. Maltose is a disaccharide composed of two glucose molecules and adds to the overall taste and composition of honey.

Therefore, the major composition of honey is fructose, with glucose, turanose, and maltose also playing important roles in the overall composition and taste of honey.

• Thyroxine: Thyroxine, also known as T4, is a hormone produced by the thyroid gland that contains iodine. It plays a crucial role in regulating metabolism and growth in the body.

• Insulin: Insulin is a hormone produced by the pancreas that regulates blood sugar levels. It does not contain iodine.


• Oxytocin: Oxytocin is a hormone produced by the hypothalamus and released by the pituitary gland. It is involved in social bonding, childbirth, and lactation, but it does not contain iodine.


• Gastrin: Gastrin is a hormone that stimulates the secretion of gastric acid in the stomach. It does not contain iodine.

Therefore, among the options given, only Thyroxine (also known as T4) contains iodine as a crucial component in its structure.

• Location: Hirakud Dam is located on the river Mahanadi.


• Construction: The dam was built in 1957 and is one of the longest earthen dams in the world.


• Purpose: The main purpose of the dam is to control floods in the Mahanadi delta region and provide irrigation water to the surrounding areas.


• Hydroelectric Power: The dam also has hydroelectric power generation capabilities, contributing to the energy needs of the region.


• Reservoir: The reservoir created by Hirakud Dam is one of the largest artificial lakes in Asia, attracting tourists and serving as a hub for various water-based activities.

• Flood Control: The dam plays a crucial role in mitigating the impact of floods in the Mahanadi river basin, protecting lives and properties.


• Irrigation: The water stored in the dam is used for irrigation purposes, benefiting agricultural activities in the region.


• Power Generation: The hydroelectric power generated by the dam contributes to the energy needs of Odisha and nearby states.


• Tourism: The scenic beauty of the reservoir and the surrounding area attracts tourists, providing a boost to the local economy.

In conclusion, Hirakud Dam on the river Mahanadi serves multiple purposes such as flood control, irrigation, power generation, and tourism, making it a significant infrastructure project in India.

• Name of the cyclone: Hudhud


• Date: October 2014


• Impact:
  
  
  
  • Severe damage to infrastructure
  
  
  • Loss of lives
  
  
  • Displacement of people
  
  
  • Destruction of crops
  
  
  
  


• Response:
  
  
  
  • Government relief efforts
  
  
  • International aid
  
  
  • Reconstruction and rehabilitation programs
  
  
  
  

• High wind speeds: Hudhud had wind speeds of up to 195 km/h, causing widespread damage.


• Heavy rainfall: The cyclone brought heavy rainfall leading to flooding and landslides.


• Lack of preparedness: The region was not adequately prepared for such a severe cyclone.

• Importance of early warning systems: Timely alerts can help in evacuation and preparedness.


• Need for better infrastructure: Stronger buildings and infrastructure can withstand such disasters better.


• Community preparedness: Educating and training communities for disaster response is crucial.

• Telescope: Hubble is a space telescope that was launched into low Earth orbit in 1990 and is still in operation. It has provided some of the most detailed images of distant galaxies, nebulae, and other astronomical objects.