SSC CPO — Set 13
40 questions
Which of the following fuels has the highest calorific value?
Correct Answer: C. Hydrogen
Hydrogen has the highest calorific value among all known fuels, releasing approximately 150 kJ/g. It produces only water vapor when burned, making it a very clean energy source. However, its storage and transportation remain significant technical challenges.
The 'Hunter Commission' was appointed by the British to investigate which of the following incidents?
Correct Answer: B. Jallianwala Bagh massacre
The Hunter Commission was established in 1919 to investigate the tragic shooting at Jallianwala Bagh in Amritsar. It was officially called the Disorders Inquiry Committee. The commission ultimately criticized General Dyer but did not impose any penal or disciplinary action against him.
Which Indian state shares its borders with the maximum number of other states?
Correct Answer: B. Uttar Pradesh
Uttar Pradesh shares its borders with eight states and one Union Territory, which is Delhi. It is bordered by Uttarakhand, Himachal Pradesh, Haryana, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, and Bihar. This makes it the most strategically connected state in India.
Under which Article of the Indian Constitution can the President seek the opinion of the Supreme Court?
Correct Answer: C. Article 143
Article 143 authorizes the President to consult the Supreme Court on questions of law or fact of public importance. This is known as the Advisory Jurisdiction of the Supreme Court. The Supreme Court is not legally bound to give an opinion, nor is the President bound to follow it.
What is the physical phase of 'Camphor' changing directly into gas called?
Correct Answer: B. Sublimation
Sublimation is the process where a solid turns directly into a gas without passing through the liquid phase. Camphor, naphthalene balls, and dry ice are common substances that undergo this process. This happens when the vapor pressure of the substance is high enough at room temperature.
The 'Walker Cup' is a trophy associated with which of the following sports?
Correct Answer: A. Golf
The Walker Cup is a prestigious golf trophy contested by amateur men's teams from the United States and Great Britain & Ireland. It was first played in 1922 and is held every two years. The tournament is named after George Herbert Walker, a former president of the United States Golf Association.
Who was the first Indian woman to climb Mount Everest?
Correct Answer: B. Bachendri Pal
Bachendri Pal became the first Indian woman to reach the summit of Mount Everest in 1984. She achieved this feat as part of an expedition organized by the Indian Mountaineering Foundation. She was later honored with the Padma Bhushan for her contribution to mountaineering.
In which city is the 'Central Rice Research Institute' (CRRI) located?
Correct Answer: B. Cuttack
The Central Rice Research Institute is located in Cuttack, Odisha, and was established in 1946. It aims to improve rice productivity through research in breeding, genetics, and biotechnology. The institute played a vital role during the Green Revolution in India.
Which layer of the Sun is visible to the human eye during a total solar eclipse?
Correct Answer: C. Corona
The Corona is the outermost part of the Sun's atmosphere and is visible as a white halo during a total solar eclipse. It consists of highly ionized gases and extends millions of kilometers into space. Interestingly, the corona is much hotter than the Sun's surface.
Which Gupta ruler was known as the 'Napoleon of India'?
Correct Answer: B. Samudragupta
Samudragupta was given the title 'Napoleon of India' by historian V.A. Smith due to his extensive military conquests. He was a great patron of art and was often depicted on coins playing the Veena. His achievements are famously recorded in the Allahabad Pillar inscription (Prayag Prashasti).
The 'Montreal Protocol' is an international treaty designed to protect which of the following?
Correct Answer: C. Ozone Layer
The Montreal Protocol was signed in 1987 to phase out the production of substances responsible for ozone depletion. It specifically targeted chlorofluorocarbons (CFCs) used in refrigeration and aerosols. It is considered one of the most successful environmental agreements in history.
Which hormone is commonly known as the 'Emergency Hormone'?
Correct Answer: C. Adrenaline
Adrenaline is secreted by the adrenal glands during situations of stress, fear, or danger. It prepares the body for a 'fight or flight' response by increasing heart rate and blood flow to muscles. It also triggers the release of glucose into the bloodstream for quick energy.
In which session of the Indian National Congress was the demand for 'Purna Swaraj' adopted?
Correct Answer: B. 1929 Lahore
The Lahore session of 1929, presided over by Jawaharlal Nehru, passed the historic Purna Swaraj (Complete Independence) resolution. Following this, January 26, 1930, was celebrated as the first Independence Day. This session marked a radical shift in the Congress's goal from dominion status to total freedom.
The 'Blue Revolution' in India is related to the production of which of the following?
Correct Answer: C. Fish
The Blue Revolution refers to the rapid growth and intensification of fish and marine product production in India. It was launched during the Seventh Five-Year Plan to boost the fisheries sector. Dr. Hiralal Chaudhuri is considered the father of the Blue Revolution in India.
Which of the following determines the 'color of light'?
Correct Answer: C. Wavelength
Wavelength is the primary property that determines the color of light within the visible spectrum. Red light has the longest wavelength, while violet light has the shortest wavelength. This is why red light is scattered the least and used for danger signals.
Who was the first woman Speaker of the Lok Sabha?
Correct Answer: B. Meira Kumar
Meira Kumar served as the Speaker of the Lok Sabha from 2009 to 2014, becoming the first woman to hold the post. She is a former diplomat and a five-time Member of Parliament. She was elected unanimously as the Speaker during the 15th Lok Sabha.
Which gas is used in the manufacture of Vanaspati Ghee from vegetable oils?
Correct Answer: C. Hydrogen
Hydrogen gas is bubbled through vegetable oils in the presence of a nickel catalyst to produce solid Vanaspati Ghee. This chemical process is known as 'Hydrogenation'. It turns unsaturated fats into saturated fats, making them solid at room temperature.
The 'Bandipur National Park' is located in which Indian state?
Correct Answer: B. Karnataka
Bandipur National Park is a prominent tiger reserve located in the Chamarajanagar district of Karnataka. It was established in 1974 as a tiger reserve under Project Tiger. The park is part of the Nilgiri Biosphere Reserve and shares borders with Wayanad and Mudumalai.
What is the maximum number of times a person can be elected as the President of India?
Correct Answer: C. No limit
Article 57 of the Indian Constitution states that a person who holds or has held office as President is eligible for re-election. There is no constitutional bar on the number of terms a person can serve as President. This is different from the USA, where the limit is strictly two terms.
Which Indian city is known as the 'Silicon Valley of India'?
Correct Answer: C. Bengaluru
Bengaluru is called the Silicon Valley of India because it is the nation's leading Information Technology exporter. It houses the headquarters of many major tech firms like Infosys and Wipro. The city became a global hub for software development starting in the 1980s.
Who was the founder of the 'Servants of India Society'?
Correct Answer: A. Gopal Krishna Gokhale
Gopal Krishna Gokhale founded the Servants of India Society in 1905 to unite and train Indians of different castes in social service. The members took a vow to lead a life of poverty and work for the welfare of the country. Gokhale was also considered the political guru of Mahatma Gandhi.
What is the primary cause of 'Ocean Tides'?
Correct Answer: B. Gravitational pull of Sun and Moon
Tides are the periodic rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun. The Moon has a greater effect because it is much closer to Earth than the Sun. There are typically two high tides and two low tides every day.
Which part of the Indian Constitution contains the 'Directive Principles of State Policy'?
Correct Answer: C. Part IV
Part IV of the Constitution (Articles 36-51) contains the Directive Principles of State Policy. These principles are not enforceable by any court but are fundamental in the governance of the country. They aim to establish a welfare state by providing social and economic justice.
Which of the following is a 'Primary Color' in physics (light)?
Correct Answer: C. Green
The three primary colors of light are Red, Green, and Blue (RGB). When these three colors are mixed in equal proportions, they create white light. In contrast, the primary colors of pigments (subtractive) are Cyan, Magenta, and Yellow.
The 'Lothal' site of Indus Valley Civilization is famous for which feature?
Correct Answer: B. Artificial Dockyard
Lothal is renowned for having the world's earliest known artificial dockyard, connecting the city to the Sabarmati River. This allowed the Harappans to engage in maritime trade with foreign regions like Mesopotamia. The site is located in modern-day Gujarat.
Who was the first woman to win an Olympic medal for India?
Correct Answer: B. Karnam Malleswari
Karnam Malleswari won a bronze medal in weightlifting at the 2000 Sydney Olympics. She competed in the 69 kg weight category and made history for Indian women athletes. She was awarded the Rajiv Gandhi Khel Ratna for her achievement.
What is the chemical formula of 'Dry Ice'?
Correct Answer: B. CO2
Dry ice is the solid form of Carbon Dioxide (CO2). It is called 'dry' ice because it undergoes sublimation, changing directly from solid to gas without melting. It is used primarily as a cooling agent in food preservation and scientific experiments.
The 'Khajuraho' temples were built by rulers of which dynasty?
Correct Answer: C. Chandela
The Chandela dynasty built the Khajuraho temples in Madhya Pradesh between 950 and 1050 AD. These temples are world-famous for their stunning Nagara-style architecture and erotic sculptures. They were designated as a UNESCO World Heritage Site in 1986.
Which planet has the shortest year in our solar system?
Correct Answer: C. Mercury
Mercury has the shortest orbital period, taking only about 88 Earth days to complete one revolution around the Sun. This is because it is the closest planet to the Sun and has a very high orbital velocity. Despite its speed, it rotates on its axis very slowly.
In which state is the 'Nanda Devi Biosphere Reserve' located?
Correct Answer: B. Uttarakhand
The Nanda Devi Biosphere Reserve is located in the Himalayan region of Uttarakhand. It surrounds the Nanda Devi peak, which is the second-highest mountain in India. The park is home to several rare animals like the snow leopard and Himalayan musk deer.
What is the SI unit of Electric Current?
Correct Answer: C. Ampere
The Ampere is the SI unit used to measure the flow of electric charge across a surface. It is named after André-Marie Ampère, one of the founders of electromagnetism. An ammeter is an instrument used to measure current in a circuit.
Who among the following had the shortest tenure as the Prime Minister of India?
Correct Answer: A. Atal Bihari Vajpayee
Atal Bihari Vajpayee's first term in 1996 lasted for only 13 days before he resigned. He later returned to power for a full five-year term from 1999 to 2004. He was posthumously awarded the Bharat Ratna, India's highest civilian award.
Which of the following acids is present in 'Vinegar'?
Correct Answer: B. Acetic Acid
Acetic acid, also known as ethanoic acid, is the primary ingredient in vinegar (about 5-8%). It is produced by the fermentation of ethanol by acetic acid bacteria. Vinegar is commonly used for food preservation and household cleaning.
The 'Pulkali' dance is a traditional folk art of which state?
Correct Answer: B. Kerala
Pulikali, also known as the 'Tiger Dance', is a colorful folk art performed in Kerala during the Onam festival. Performers paint their bodies as tigers and hunters to dance to the beats of traditional drums. It is particularly popular in the Thrissur district.
Which Constitutional Amendment reduced the voting age from 21 to 18 years?
Correct Answer: C. 61st Amendment
The 61st Constitutional Amendment Act of 1988 lowered the voting age for Lok Sabha and Assembly elections to 18 years. It was implemented during the premiership of Rajiv Gandhi to increase youth participation. This change significantly increased the size of the Indian electorate.
What is the currency of Japan?
Correct Answer: C. Yen
The Yen is the official currency of Japan and is one of the most traded currencies in the global market. It was introduced by the Meiji government in 1871. The symbol for the Japanese Yen is ¥.
Which of the following is a 'Water Soluble Vitamin'?
Correct Answer: D. Vitamin B12
Vitamins B and C are water-soluble, meaning they are not stored in the body and must be replenished daily. Vitamin B12 is essential for nerve function and the production of red blood cells. Fat-soluble vitamins include A, D, E, and K.
The 'Statue of Unity' is dedicated to which Indian leader?
Correct Answer: B. Sardar Vallabhbhai Patel
The Statue of Unity is the world's tallest statue, standing at 182 meters, dedicated to Sardar Vallabhbhai Patel. It is located in the Narmada district of Gujarat near the Sardar Sarovar Dam. Patel is known as the 'Iron Man of India' for his role in national integration.
In which year was the 'Quit India Movement' launched?
Correct Answer: C. 1942
Mahatma Gandhi launched the Quit India Movement on August 8, 1942, during the Bombay session of the Congress. He gave the famous 'Do or Die' call to the Indian people for absolute freedom. This was the final major mass movement against British rule in India.
What is the common name of 'Calcium Hypochlorite'?
Correct Answer: B. Bleaching Powder
Bleaching powder is the commercial name for calcium hypochlorite, with the formula Ca(OCl)2. It is widely used for disinfecting drinking water and bleaching paper and textiles. It releases chlorine gas when it reacts with moisture or acids.