Delhi Police — Set 29

Correct Answer: C. Linux

Linux is a well-known open-source operating system used in computers and servers. It manages the hardware resources and provides a platform for other software to run. Other examples include Windows, macOS, and Android.

Correct Answer: A. Gross Domestic Product

Gross Domestic Product represents the total value of all goods and services produced within a country's borders. It is the most common measure used to track the size of a country's economy. High GDP generally indicates a healthy and growing economy.

Correct Answer: B. Jalaluddin Khilji

Jalaluddin Firuz Khilji established the Khilji dynasty in 1290 after overthowing the Mamluk dynasty. He was known for his mild and generous nature during his short reign. He was later succeeded by his nephew Alauddin Khilji.

Correct Answer: B. Maharana Pratap

The Battle of Haldighati took place in 1576 between the Mughal forces led by Raja Man Singh and Maharana Pratap. It was a fierce battle fought in the narrow mountain pass of Haldighati in Rajasthan. Despite the Mughal victory, Maharana Pratap continued his resistance.

Correct Answer: C. Ctrl + Z

Ctrl + Z is a universal shortcut key used to reverse the most recent action performed. This is very helpful for correcting mistakes quickly while typing or editing. The opposite action, 'Redo', is usually performed using Ctrl + Y.

Correct Answer: C. Amarkantak

The Narmada River originates from the Amarkantak Plateau in Madhya Pradesh. It is one of the few major rivers in India that flows from east to west into the Arabian Sea. It is also known as the 'Lifeline of Madhya Pradesh and Gujarat'.

Correct Answer: D. 552

The Constitution sets the maximum strength of the Lok Sabha at 552 members. Out of these, 530 represent states, 20 represent Union Territories, and 2 were formerly nominated from the Anglo-Indian community. Currently, the strength is maintained at 543 elected members.

Correct Answer: B. Lactometer

A lactometer is a specialized hydrometer used to check the density and purity of milk. It works on the principle of Archimedes and helps detect the presence of added water. Pure milk will show a specific reading on the lactometer scale.

Correct Answer: B. C. Rajagopalachari

C. Rajagopalachari was among the first three recipients of India's highest civilian award in 1954. The other two were Dr. Sarvepalli Radhakrishnan and C.V. Raman. He was a prominent freedom fighter and the last Governor-General of India.

Correct Answer: B. Andaman and Nicobar Islands

Indira Point is situated on Great Nicobar Island in the Andaman and Nicobar archipelago. It was formerly known as Pygmalion Point but was renamed in honor of Indira Gandhi. It is located very close to the island of Sumatra in Indonesia.

Correct Answer: C. Income Tax

Income tax is a direct tax paid by individuals or entities based on their earnings. Direct taxes are paid directly to the government by the person on whom it is imposed. Indirect taxes like GST are collected from consumers through sellers.

Correct Answer: A. Uniform Resource Locator

URL stands for Uniform Resource Locator, which is the web address of a specific resource on the internet. It helps a web browser find and display a particular webpage or file. A typical URL starts with 'http://' or 'https://'.

Correct Answer: C. Gopala

Gopala was the first independent Buddhist king of Bengal and founded the Pala dynasty around 750 CE. He was elected by the local chieftains to end a period of anarchy. His dynasty ruled the region for several centuries.

Correct Answer: C. Iris

The Iris is the colored part of the eye that adjusts the size of the pupil. By changing size, it regulates how much light reaches the retina at the back of the eye. This process is automatic and protects our vision from bright light.

Correct Answer: B. Gujarat

Akbar built the Buland Darwaza at Fatehpur Sikri in 1601 to celebrate his successful conquest of Gujarat. It is the highest gateway in the world and a masterpiece of Mughal architecture. It is made of red and buff sandstone.

Correct Answer: C. Venus

Venus is called the Morning Star or Evening Star because it is the brightest object in the sky after the Sun and Moon. It is often visible just before sunrise or after sunset. It appears bright due to its thick clouds reflecting sunlight.

Correct Answer: B. Article 124

Article 124 of the Indian Constitution provides for the establishment and constitution of the Supreme Court. It states that there shall be a Supreme Court of India consisting of a Chief Justice and other judges. The Supreme Court is the highest judicial forum in the country.

Correct Answer: A. Chanakya

Chanakya, also known as Kautilya or Vishnugupta, wrote the Arthashastra. It is an ancient Indian treatise on statecraft, economic policy, and military strategy. Chanakya was the prime advisor to the first Maurya Emperor, Chandragupta.

Correct Answer: A. Udaipur

Udaipur is famously called the City of Lakes due to its sophisticated lake system and beautiful palaces. Major lakes include Lake Pichola and Fateh Sagar Lake. It is a world-renowned tourist destination in Rajasthan.

Correct Answer: C. To connect different networks

A router is a networking device that forwards data packets between computer networks. It acts as a traffic controller to ensure data reaches the correct destination. Routers are essential for connecting home devices to the internet.

Correct Answer: D. Gujarat

The Sardar Sarovar Dam is a massive gravity dam built on the Narmada River in Gujarat. It is one of the largest dams in the world and provides water to four states. The Statue of Unity is located nearby.

Correct Answer: B. Mother Teresa

Mother Teresa was awarded the Nobel Peace Prize in 1979 for her work in helping the poor and dying in Kolkata. She founded the Missionaries of Charity to serve the 'poorest of the poor'. She was also canonized as a saint in 2016.

Correct Answer: C. Nitrogen

Nitrogen gas is used to flush out oxygen from chip packets to keep the snacks fresh and crispy. Nitrogen does not react with the oil in the chips, preventing them from becoming rancid. It also provides a cushion to prevent the chips from breaking.

Correct Answer: C. Guru Gobind Singh

Guru Gobind Singh, the tenth Sikh Guru, created the Khalsa Panth during the Baisakhi festival. He introduced the 'Five Ks' for Sikh identity and established the code of conduct for the community. This marked a significant turning point in Sikh history.

Correct Answer: C. Madhya Pradesh

Madhya Pradesh has the largest forest cover in India by area, followed by Arunachal Pradesh. Forests play a vital role in maintaining the ecological balance and supporting wildlife. The state is home to many famous national parks like Kanha and Bandhavgarh.

Correct Answer: B. Diopter

The power of a lens is measured in Diopters (D). It is defined as the reciprocal of the focal length in meters. A positive diopter value indicates a converging lens, while a negative value indicates a diverging lens.

Correct Answer: B. Part IX

Part IX of the Indian Constitution, added by the 73rd Amendment Act, deals with the Panchayati Raj system. It aims to provide a three-tier structure of local self-government in rural areas. It contains Articles 243 to 243O.

Correct Answer: A. Ustad Ahmad Lahauri

Ustad Ahmad Lahauri is widely considered the chief architect of the Taj Mahal. He was an expert in Persian and Mughal architecture and was commissioned by Shah Jahan. The monument was built using white marble from Makrana.

Correct Answer: B. Hyderabad

The Sardar Vallabhbhai Patel National Police Academy (SVPNPA) is located in Hyderabad. It is the premier training institution for Indian Police Service (IPS) officers. It was established in 1948 and is named after India's first Home Minister.

Correct Answer: A. Below Poverty Line

Below Poverty Line is an economic benchmark used by the government to identify individuals who need financial assistance. People under this line cannot afford basic necessities like food and shelter. Ration cards are often issued based on this status.

Correct Answer: B. RAM

RAM (Random Access Memory) is called the main memory because it allows the CPU to access data quickly for active tasks. It is temporary and volatile, meaning its data is lost when power is turned off. More RAM generally allows for smoother multitasking.

Correct Answer: C. Rakesh Sharma

Wing Commander Rakesh Sharma became the first Indian citizen to travel into space in 1984. He flew aboard the Soviet spacecraft Soyuz T-11 as part of a joint mission. When asked how India looked from space, he famously replied 'Saare Jahan Se Achha'.

Correct Answer: C. Silver

Silver is the best conductor of electricity among all metals due to its unique atomic structure. However, copper is more commonly used in wires because it is much cheaper and more abundant. Aluminium is also used for long-distance power lines.

Correct Answer: A. Simuka

Simuka was the founder of the Satavahana dynasty, which ruled the Deccan region for over 400 years. The dynasty played a key role in connecting North and South India through trade and culture. They were among the first to issue coins with their rulers' portraits.

Correct Answer: C. Chilika Lake

Chilika Lake in Odisha is the largest brackish water lagoon in Asia and the second-largest in the world. It is an important habitat for migratory birds and the endangered Irrawaddy dolphin. Wular and Dal lakes are freshwater lakes.

Correct Answer: B. Watt

The Watt (W) is the international unit of power, defined as one joule per second. It is named after James Watt, the inventor of the steam engine. We commonly see this unit on light bulbs and electrical appliances.

Correct Answer: B. President

The CAG is appointed by the President of India under Article 148 of the Constitution. The CAG is the guardian of the public purse and audits all government expenditures. The tenure for this position is 6 years or up to 65 years of age.

Correct Answer: B. Old Delhi

The Jama Masjid is located in Old Delhi and is one of the largest mosques in India. It was built by Mughal Emperor Shah Jahan between 1650 and 1656. It is made of red sandstone and white marble.

Correct Answer: D. Vitamin D

Vitamin D is synthesized in the skin when it is exposed to ultraviolet rays from sunlight. It is essential for absorbing calcium and maintaining healthy bones. This is why it is often called the 'sunshine vitamin'.

Correct Answer: A. Wireless Local Area Network

WLAN stands for Wireless Local Area Network, which allows devices to connect and communicate wirelessly within a small area. Most modern Wi-Fi networks in homes and offices are types of WLANs. It provides flexibility as devices do not need physical cables.