SSC CPO — Set 27

Q: Which of the following blood vessels carry oxygenated blood from the lungs to the heart?

Pulmonary Vein. The pulmonary vein is unique because it is the only vein in the human body that carries oxygen-rich blood. It brings this oxygenated blood from the lungs into the left atrium of the heart. Most other veins carry deoxygenated blood back to the heart from the rest of the body.

Q: Who was the first Indian to be elected to the British House of Commons?

Dadabhai Naoroji. Dadabhai Naoroji, known as the 'Grand Old Man of India', was elected to the British Parliament in 1892. He presented the 'Drain Theory' to explain how India's wealth was being siphoned off to Britain. He was also a founding member of the Indian National Congress.

Q: The 'Preamble' of the Indian Constitution has been amended how many times so far?

Only once. The Preamble has been amended only once through the 42nd Constitutional Amendment Act of 1976. This amendment added the three words 'Socialist', 'Secular', and 'Integrity' to the text. The Supreme Court has ruled that the Preamble is a part of the Constitution and can be amended.

Q: Which of the following is the highest peak in the Western Ghats?

Anamudi. Anamudi, located in the Eravikulam National Park in Kerala, is the highest peak in the Western Ghats and South India. It stands at an elevation of 2,695 meters above sea level. Its name literally translates to 'Elephant's head' in the local language.

Q: What is the phenomenon of light bending as it passes from one medium to another called?

Refraction. Refraction occurs because light travels at different speeds in different materials like air, water, or glass. This change in speed causes the light ray to change direction at the boundary of the two media. A common example is the apparent bending of a straw placed in a glass of water.

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Which of the following blood vessels carry oxygenated blood from the lungs to the heart?

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Correct Answer: B. Pulmonary Vein

The pulmonary vein is unique because it is the only vein in the human body that carries oxygen-rich blood. It brings this oxygenated blood from the lungs into the left atrium of the heart. Most other veins carry deoxygenated blood back to the heart from the rest of the body.

Who was the first Indian to be elected to the British House of Commons?

💡

Correct Answer: B. Dadabhai Naoroji

Dadabhai Naoroji, known as the 'Grand Old Man of India', was elected to the British Parliament in 1892. He presented the 'Drain Theory' to explain how India's wealth was being siphoned off to Britain. He was also a founding member of the Indian National Congress.

The 'Preamble' of the Indian Constitution has been amended how many times so far?

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Correct Answer: A. Only once

The Preamble has been amended only once through the 42nd Constitutional Amendment Act of 1976. This amendment added the three words 'Socialist', 'Secular', and 'Integrity' to the text. The Supreme Court has ruled that the Preamble is a part of the Constitution and can be amended.

Which of the following is the highest peak in the Western Ghats?

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Correct Answer: B. Anamudi

Anamudi, located in the Eravikulam National Park in Kerala, is the highest peak in the Western Ghats and South India. It stands at an elevation of 2,695 meters above sea level. Its name literally translates to 'Elephant's head' in the local language.

What is the phenomenon of light bending as it passes from one medium to another called?

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Correct Answer: B. Refraction

Refraction occurs because light travels at different speeds in different materials like air, water, or glass. This change in speed causes the light ray to change direction at the boundary of the two media. A common example is the apparent bending of a straw placed in a glass of water.

The 'Fundamental Duties' were added to the Indian Constitution on the recommendation of which committee?

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Correct Answer: C. Swaran Singh Committee

The Swaran Singh Committee suggested that citizens should have certain duties along with their rights. Based on its report, the 42nd Amendment added 10 duties in 1976, while the 11th was added later in 2002. These duties are non-justiciable in nature.

Which of the following is an example of an 'Inert Gas'?

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Correct Answer: C. Helium

Helium belongs to Group 18 of the periodic table, known as the Noble or Inert gases. These gases have a full outer electron shell, making them very stable and chemically unreactive. Helium is widely used in balloons and as a cooling medium in MRI machines.

Who was the founder of the 'Brahmo Samaj'?

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Correct Answer: B. राजा राम मोहन राय

The Brahmo Samaj was founded by Raja Ram Mohan Roy in 1828 in Calcutta. Raja Ram Mohan Roy established the Brahmo Samaj as a reform movement to modernize Hinduism and eliminate social evils like sati. The founding of Brahmo Samaj by Raja Ram Mohan Roy was a landmark in India's social and religious reform history. Raja Ram Mohan Roy is often called the 'Father of Modern India' for his contributions.

The term 'Stagflation' refers to a situation of?

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Correct Answer: A. High inflation and low growth

Stagflation is an economic anomaly where stagnant economic growth and high unemployment occur simultaneously with high inflation. It is a difficult situation for policymakers because tools used to lower inflation often increase unemployment. This term was first coined in the 1960s.

Which of the following states does NOT share its border with Myanmar?

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Correct Answer: D. Assam

Assam shares its international borders with Bhutan and Bangladesh but not with Myanmar. The four Indian states that border Myanmar are Arunachal Pradesh, Nagaland, Manipur, and Mizoram. This border is approximately 1,643 kilometers long.

What is the main component of 'Natural Gas'?

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Correct Answer: B. Methane

Methane makes up about 70-90% of the composition of natural gas. It is a clean-burning fossil fuel and a potent greenhouse gas. When methane is burned, it produces fewer impurities and carbon dioxide compared to coal or oil.

In which city is the 'Indian Military Academy' (IMA) located?

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Correct Answer: B. Dehradun

The IMA was established in 1932 in Dehradun, Uttarakhand, to train officers for the Indian Army. Its motto is 'Bravery and Wisdom'. Khadakwasla in Pune, on the other hand, houses the National Defence Academy (NDA).

Which Indian ruler was defeated by Alexander the Great in the Battle of the Hydaspes?

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Correct Answer: B. Porus

The Battle of the Hydaspes was fought in 326 BCE on the banks of the Jhelum river. King Porus fought bravely but was eventually defeated by the Macedonian army. Impressed by his courage, Alexander restored Porus to his kingdom and even expanded his territory.

Which organelle in the plant cell is responsible for 'Photosynthesis'?

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Correct Answer: C. Chloroplast

Chloroplasts contain a green pigment called chlorophyll that captures sunlight energy. This energy is used to convert water and carbon dioxide into glucose and oxygen. They are found mainly in the leaf cells of green plants.

The 'Santhal Rebellion' of 1855 was directed against whom?

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Correct Answer: C. British and Landlords

The Santhal Hool (rebellion) was a tribal uprising in eastern India against the oppressive Zamindari system and British policies. It was led by two brothers, Sidhu and Kanhu Murmu. Although crushed by the British, it led to the creation of the Santhal Parganas district.

Under which Article of the Constitution can the President seek the advice of the Supreme Court?

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Correct Answer: B. Article 143

Article 143 confers advisory jurisdiction on the Supreme Court of India. The President can refer any question of law or fact of public importance for the court's opinion. However, the opinion given by the Supreme Court is not binding on the President.

The 'Kanha National Park' is famous for the conservation of which animal?

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Correct Answer: B. Barasingha (Swamp Deer)

Kanha National Park in Madhya Pradesh is credited with saving the hard-ground Barasingha from extinction. It is also the first tiger reserve in India to officially introduce a mascot, 'Bhoorsingh the Barasingha'. The park's landscape served as inspiration for Rudyard Kipling's 'The Jungle Book'.

What is the unit of 'Magnetic Flux' in the SI system?

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Correct Answer: B. Weber

The Weber (Wb) is the SI unit of magnetic flux, named after the German physicist Wilhelm Eduard Weber. One Weber is defined as the amount of flux that produces an electromotive force of one volt. Tesla is the unit for magnetic flux density, not the flux itself.

Who was the author of the book 'Gulamgiri'?

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Correct Answer: B. Jyotiba Phule

Jyotiba Phule wrote 'Gulamgiri' in 1873 to critique the caste system and advocate for the rights of lower castes. He dedicated the book to the American people who fought to end slavery. He also founded the Satyashodhak Samaj for social reform.

Which part of the Constitution deals with 'Emergency Provisions'?

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Correct Answer: C. Part XVIII

Part XVIII of the Indian Constitution contains Articles 352 to 360 relating to emergencies. These provisions allow the central government to become all-powerful to protect the nation's sovereignty. There are three types of emergencies: National, State (President's Rule), and Financial.

The 'Tropic of Cancer' passes through how many Indian states?

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Correct Answer: C. 8

The Tropic of Cancer passes through 8 Indian states: Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Jharkhand, West Bengal, Tripura, and Mizoram. The Tropic of Cancer at 23.5°N latitude cuts across these 8 states from west to east. Of the 8 states through which the Tropic of Cancer passes, Mizoram and Tripura are in the northeast. The Tropic of Cancer divides India into the tropical and sub-tropical zones.

Which of the following acids is present in 'Vinegar'?

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Correct Answer: C. Acetic Acid

Vinegar typically contains 5-8% acetic acid ($CH_{3}COOH$) by volume. It is produced through the fermentation of ethanol by acetic acid bacteria. It is widely used in food preservation and cooking due to its acidic properties.

Who among the following was the founder of the 'Tughlaq Dynasty'?

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Correct Answer: A. Ghiyasuddin Tughlaq

Ghiyasuddin Tughlaq founded the dynasty in 1320 after overthowing the last Khilji ruler. He established the city of Tughlaqabad in Delhi. He was succeeded by his son Jauna Khan, better known as Muhammad bin Tughlaq.

Which of the following is NOT a fundamental right according to the current Constitution?

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Correct Answer: B. Right to Property

The Right to Property was removed from the list of Fundamental Rights by the 44th Amendment Act in 1978. It is now a legal right under Article 300A. This change was made to facilitate land reforms and equitable distribution of wealth.

The 'Bernoulli's Principle' is related to which of the following?

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Correct Answer: A. Fluid Dynamics

Bernoulli's principle states that for an incompressible fluid, an increase in speed occurs simultaneously with a decrease in pressure. This principle explains how the wings of an airplane generate lift. It is based on the law of conservation of energy.

The 'Sivasamudram Falls' is located on which river?

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Correct Answer: B. Cauvery

Sivasamudram Falls is a famous waterfall in Karnataka formed by the river Cauvery. It is also the site of one of the first hydroelectric power plants in Asia, established in 1902. The river divides into two branches here, creating a beautiful twin waterfall.

Which Vitamin is essential for 'Blood Clotting'?

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Correct Answer: D. Vitamin K

Vitamin K is a fat-soluble vitamin that the body needs for the synthesis of proteins required for blood coagulation. Without enough Vitamin K, even a small injury can lead to excessive bleeding. It is found in abundance in leafy green vegetables.

In which year was the 'United Nations' (UN) officially founded?

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Correct Answer: B. 1945

The UN was established on October 24, 1945, after the end of World War II to maintain international peace and security. October 24 is celebrated globally as United Nations Day. It replaced the League of Nations, which had failed to prevent the war.

The 'Ryotwari System' of land revenue was introduced in India by whom?

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Correct Answer: B. Thomas Munro

Sir Thomas Munro introduced the Ryotwari system in the Madras and Bombay Presidencies in the early 19th century. In this system, land revenue was paid directly by the peasants (Ryots) to the government. This was different from the Permanent Settlement where Zamindars acted as intermediaries.

Which Article of the Constitution deals with the 'Uniform Civil Code'?

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Correct Answer: B. Article 44

Article 44 is a Directive Principle of State Policy that urges the state to secure a Uniform Civil Code for all citizens throughout India. It aims to replace personal laws based on religion with a common set of laws for marriage, divorce, and inheritance. Currently, Goa is the only Indian state to have a version of a UCC.

What is the process of water movement through a plant and its evaporation from aerial parts called?

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Correct Answer: C. Transpiration

Transpiration occurs mainly through the stomata (small pores) on the underside of leaves. It helps in the upward movement of water and minerals from the roots and also keeps the plant cool. Nearly 99% of the water taken up by roots is released back into the atmosphere via transpiration.

The 'Gateway of India' in Mumbai was built to commemorate the visit of which British monarch?

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Correct Answer: B. King George V

The Gateway of India was built to mark the visit of King George V and Queen Mary to Mumbai in 1911. However, only the cardboard model was ready then, and the actual structure was completed in 1924. It later became the ceremonial entrance to India for Viceroys and Governors.

Which of the following is the largest organ in the human body?

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Correct Answer: B. Skin

The skin is the largest organ of the body by both surface area and weight. It serves as a protective barrier against external pathogens and helps in temperature regulation. The liver is the largest internal organ, while the skin is the largest overall.

The 'Satish Dhawan Space Centre' is located in which Indian state?

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Correct Answer: C. Andhra Pradesh

This spaceport is located at Sriharikota in Andhra Pradesh and is operated by ISRO. It is chosen for its location on the east coast, which provides a velocity boost to rockets launching in the direction of Earth's rotation. It has been the launch site for major missions like Chandrayaan and Mangalyaan.

Which type of unemployment occurs when people are between jobs?

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Correct Answer: C. Frictional Unemployment

Frictional unemployment is the temporary period of unemployment that happens when workers are searching for new jobs or transitioning from one to another. It is considered a natural part of a healthy economy as it indicates workers are seeking better matches for their skills. It is usually short-term in nature.

Who was the founder of the 'Haryanka Dynasty'?

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Correct Answer: B. Bimbisara

Bimbisara founded the dynasty in the 6th century BCE and made Magadha a powerful kingdom. He was a contemporary of Gautama Buddha and followed a policy of matrimonial alliances to expand his kingdom. He was succeeded by his son Ajatashatru, who reportedly killed him to take the throne.

Which of the following is a 'Vestigial Organ' in the human body?

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Correct Answer: B. Appendix

Vestigial organs are those that have lost most or all of their original function through evolution. The vermiform appendix is a classic example in humans; while it may have been useful for digesting cellulose in our ancestors, it is no longer vital. Other examples include the tailbone (coccyx) and wisdom teeth.

The 'Mount Abu' hill station is located in which mountain range?

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Correct Answer: C. Aravallis

The Aravallis are the oldest mountain range in India and among the oldest in the world. They stretch approximately 800 km from Delhi through Haryana and Rajasthan to Gujarat. The Aravallis have significantly eroded over hundreds of millions of years but continue to serve as an important ecological barrier.

What is the full form of 'BSE', the oldest stock exchange in Asia?

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Correct Answer: B. Bombay Stock Exchange

Established in 1875, the Bombay Stock Exchange (BSE) is located on Dalal Street in Mumbai. It is the first stock exchange in Asia and is known for its benchmark index, the SENSEX. The SENSEX tracks the performance of 30 well-established companies.

Which fundamental right cannot be suspended even during a National Emergency?

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Correct Answer: B. Article 20 and 21

According to the 44th Amendment Act, the rights guaranteed under Articles 20 and 21 (Protection in respect of conviction for offences and Protection of life and personal liberty) cannot be suspended. All other rights, including those under Article 19, can be restricted by the President during an emergency. This ensures basic legal protections remain in place even in crises.