DRDL stands for Defence Research and Development Laboratory. It is a prominent Indian missile development laboratory operating under the Defence Research and Development Organisation (DRDO).
Question 2 of 47
Hint
Q73. Free surface of a liquid behaves like a sheet and tends to contract to the smallest possible area due to the
SOLUTION ANALYSIS
Correct Option: D
Surface tension is a physical phenomenon caused by cohesive forces (the attraction between identical liquid molecules). This causes the surface layer of a liquid to contract into the smallest possible area.
Question 3 of 47
Hint
Q49. For safety, the fuse wire used in the mains for household supply of electricity must be made of metal having
SOLUTION ANALYSIS
Correct Option: A
A safety fuse wire is designed to melt quickly and break the electrical circuit if the current exceeds a safe limit, preventing overheating and potential fires; thus, it must have a low melting point.
Question 4 of 47
Hint
Q75. GNLF stands for
SOLUTION ANALYSIS
Correct Option: A
The Gorkha National Liberation Front (GNLF) is a recognized political party in the Darjeeling district of West Bengal, India. It was formed primarily to demand a separate state of Gorkhaland.
Question 5 of 47
Hint
Q65. ESCAP stands for
SOLUTION ANALYSIS
Correct Option: A
ESCAP is the United Nations Economic and Social Commission for Asia and the Pacific. It serves as the UN's regional hub promoting cooperation among countries to achieve inclusive and sustainable development.
Question 6 of 47
Hint
Q44. Who was the first Indian Commander-in-Chief (C-in-C) of the Indian Army?
SOLUTION ANALYSIS
Correct Option: A
Field Marshal K. M. Cariappa was the first Indian Commander-in-Chief of the Indian Army, taking over from British General Sir Roy Bucher on January 15, 1949 (now celebrated as Army Day in India).
Question 7 of 47
Hint
Q58. Dr. Zakir Husain was
SOLUTION ANALYSIS
Correct Option: A
Dr. Zakir Husain served as the third President of India from 1967 until his death in 1969, making him the first Muslim to hold the highest constitutional office in the country.
Question 8 of 47
Hint
Q38. Eugenics is the study of
SOLUTION ANALYSIS
Correct Option: A
Eugenics is a set of historically controversial beliefs and practices aimed at improving the genetic quality of a human population, often through selective reproduction or altering genetic components.
Question 9 of 47
Hint
Q77. Fa-Hien was
SOLUTION ANALYSIS
Correct Option: A
Fa-Hien (Faxian) was a renowned Chinese Buddhist monk who traveled by foot from China to India in the early 5th century during the Gupta Empire to acquire sacred Buddhist texts.
Question 10 of 47
Hint
Q51. During World War I Germany was defeated in the Battle of Verdun on the western front and Romania declared war on the eastern front in the year
SOLUTION ANALYSIS
Correct Option: C
The Battle of Verdun, one of the longest and deadliest battles of WWI, took place in 1916. In August of that same year, Romania entered the war on the side of the Allied powers.
Question 11 of 47
Hint
Q63. For purifying drinking water alum is used
SOLUTION ANALYSIS
Correct Option: A
Alum (aluminum sulfate) acts as a highly effective coagulant in water purification. It causes fine, suspended particles of dirt and mud to clump together (flocculate) so they can be easily filtered out.
Question 12 of 47
Hint
Q76. Excessive secretion from the pituitary gland in the children results in
SOLUTION ANALYSIS
Correct Option: A
The pituitary gland secretes growth hormone (GH). Excessive secretion during childhood leads to rapid, abnormal bone growth, resulting in a medical condition known as gigantism (substantially increased height).
Question 13 of 47
Hint
Q41. Filaria is caused by
SOLUTION ANALYSIS
Correct Option: B
Filaria (lymphatic filariasis) is caused by microscopic, thread-like parasitic worms, but it is effectively transmitted from person to person through the bites of infected mosquitoes, making the mosquito the essential vector.
Question 14 of 47
Hint
Q46. Escape velocity of a rocket fired from the earth towards the moon is a velocity to get rid of the
SOLUTION ANALYSIS
Correct Option: A
Escape velocity is the minimum speed needed for a free, non-propelled object to break free from the gravitational pull of a massive body, in this case, the Earth.
Question 15 of 47
Hint
Q31. Georgia, Uzbekistan and Turkmenistan became the members of UNO in
SOLUTION ANALYSIS
Correct Option: B
Georgia, Uzbekistan, and Turkmenistan officially joined the United Nations on March 2, 1992, following the dissolution of the Soviet Union.
Question 16 of 47
Hint
Q33. Hermann Scheer (Germany) received right Livelihood Award in 1999 for
SOLUTION ANALYSIS
Correct Option: A
Hermann Scheer was a German politician who won the Right Livelihood Award for his dedicated, lifelong efforts to promote solar energy and renewable energy policies.
Question 17 of 47
Hint
Q36. Frederick Sanger is a twice recipient of the Nobel Prize for
SOLUTION ANALYSIS
Correct Option: A
English biochemist Frederick Sanger won in 1958 for his determination of the structure of the insulin molecule, and shared the prize in 1980 for his determination of base sequences in nucleic acids.
Question 18 of 47
Hint
Q40. Ecology deals with
SOLUTION ANALYSIS
Correct Option: C
Ecology is the branch of biology that focuses specifically on the interactions, dynamics, and relationships between living organisms and their physical environment.
Question 19 of 47
Hint
Q60. Fathometer is used to measure
SOLUTION ANALYSIS
Correct Option: C
A fathometer is a specialized navigational echo-sounding instrument used by ships to measure the depth of the ocean by sending sound waves downward and timing their return.
Question 20 of 47
Hint
Q66. Firdausi was
SOLUTION ANALYSIS
Correct Option: C
Firdausi was a highly celebrated Persian poet whose magnum opus is the Shahnama (Book of Kings), one of the world's longest epic poems ever created by a single author.
Question 21 of 47
Hint
Q74. Gopal Krishna Gokhale
SOLUTION ANALYSIS
Correct Option: D
Gopal Krishna Gokhale was a senior leader of the Indian National Congress, founded the Servants of India Society to promote education, and had a prominent early career in education at Fergusson College.
Question 22 of 47
Hint
Q48. Coral reefs in India can be found in
SOLUTION ANALYSIS
Correct Option: C
In India, major natural coral reef ecosystems are found in the Gulf of Mannar (near Rameshwaram, Tamil Nadu), the Gulf of Kutch, the Andaman and Nicobar Islands, and Lakshadweep.
Question 23 of 47
Hint
Q45. FRS stands for
SOLUTION ANALYSIS
Correct Option: C
FRS stands for Fellow of the Royal Society, an award and prestigious fellowship granted by the Royal Society of London to individuals who have made substantial contributions to science, mathematics, or engineering.
Question 24 of 47
Hint
Q69. During the first crusade, crusaders reached Jerusalem and captured it in
SOLUTION ANALYSIS
Correct Option: B
After a long and gruelling campaign, the armies of the First Crusade besieged and successfully captured the holy city of Jerusalem in July of 1099 AD.
Question 25 of 47
Hint
Q64. Hockey was introduced in the Asian Games in
SOLUTION ANALYSIS
Correct Option: A
Field hockey was first introduced as an official medal sport in the Asian Games during the 3rd edition of the multi-sport event held in Tokyo, Japan, in 1958.
Question 26 of 47
Hint
Q39. Euclid was
SOLUTION ANALYSIS
Correct Option: D
Euclid of Alexandria was a highly influential ancient Greek mathematician, widely recognized as the "father of geometry" for his deductive approach and compilation of theorems in his work, Elements.
Question 27 of 47
Hint
Q50. Golden Temple, Amritsar is India's
SOLUTION ANALYSIS
Correct Option: A
The Golden Temple (Harmandir Sahib) in Amritsar, Punjab, is the preeminent spiritual site of Sikhism and is recognized as the largest Gurdwara in India.
Question 28 of 47
Hint
Q70. Dr. Linus Carl Pauling is the only person to have won two Nobel prizes individually for
SOLUTION ANALYSIS
Correct Option: A
Dr. Linus Pauling holds the unique distinction of being the only person to have been awarded two unshared Nobel Prizes: the Chemistry Prize in 1954 and the Peace Prize in 1962.
Question 29 of 47
Hint
Q72. East Timor, which became the 191st member of the UN, is in the continent of
SOLUTION ANALYSIS
Correct Option: A
East Timor (Timor-Leste) is located in Maritime Southeast Asia, occupying the eastern half of the island of Timor. It officially joined the United Nations in 2002.
Question 30 of 47
Hint
Q35. During World War II, when did Germany attack France?
SOLUTION ANALYSIS
Correct Option: A
Germany launched its invasion of France (known as Fall Gelb) on May 10, 1940, bypassing the Maginot Line and leading to the swift occupation of the country.
Question 31 of 47
Hint
Q71. Free market is
SOLUTION ANALYSIS
Correct Option: B
A free market is an economic system in which the prices of goods and services are determined purely by the laws of supply and demand, with minimal or no government intervention or price controls.
Question 32 of 47
Hint
Q57. For seeing objects at the surface of water from a submarine under water, the instrument used is
SOLUTION ANALYSIS
Correct Option: B
A periscope is an optical instrument consisting of a tube equipped with mirrors or prisms, allowing a viewer in a submerged submarine to observe their surroundings above the water's surface.
Question 33 of 47
Hint
Q54. Durand Cup is associated with the game of
SOLUTION ANALYSIS
Correct Option: B
The Durand Cup is the oldest football tournament in India, having been initially established in 1888 in Shimla by Sir Mortimer Durand.
Question 34 of 47
Hint
Q53. Hamid Karzai was chosen president of Afghanistan in
SOLUTION ANALYSIS
Correct Option: C
Hamid Karzai was selected to head the Afghan Transitional Administration by the 2002 loya jirga (grand council). He officially became President of the Islamic Republic of Afghanistan later, in 2004.
Question 35 of 47
Hint
Q62. Economic goods are
SOLUTION ANALYSIS
Correct Option: A
In economics, an economic good is any consumable item or service that is useful to people but scarce in relation to its demand, meaning human effort or currency is required to obtain it.
Question 36 of 47
Hint
Q37. The ozone layer restricts
SOLUTION ANALYSIS
Correct Option: D
The ozone layer in the Earth's stratosphere acts as a shield, absorbing the majority of the Sun's harmful ultraviolet (UV) radiation.
Question 37 of 47
Hint
Q34. Germany signed the Armistice Treaty on ____ and World War I ended
SOLUTION ANALYSIS
Correct Option: C
The Armistice of 11 November 1918 ended fighting on land, sea, and air in World War I between the Allied powers and their last remaining opponent, Germany.
Question 38 of 47
Hint
Q32. Guru Gobind Singh was
SOLUTION ANALYSIS
Correct Option: D
Guru Gobind Singh (1666-1708) was the 10th Guru of the Sikhs who founded the Khalsa in 1699. He is also credited as the author of the Dasam Granth.
Question 39 of 47
Hint
Q52. Heavy Water Project (Talcher) and Fertilizer plant (Paradeep) are famous industries of
SOLUTION ANALYSIS
Correct Option: A
The Heavy Water Plant in Talcher and the Paradeep Phosphates fertilizer plant are both significant, large-scale industrial facilities located in the state of Odisha (formerly known as Orissa).
Question 40 of 47
Hint
Q55. Headquarters of UNO are situated at
SOLUTION ANALYSIS
Correct Option: A
The main headquarters of the United Nations is an international territory complex located in New York City, USA, with additional subsidiary regional headquarters in Geneva, Vienna, and Nairobi.
Question 41 of 47
Hint
Q47. GATT (General Agreement on Tariffs and Trade) is
SOLUTION ANALYSIS
Correct Option: C
GATT was an international trade treaty intended to boost economic recovery after WWII by reducing or eliminating trade barriers like tariffs and quotas through negotiated concessions.
Question 42 of 47
Hint
Q61. For galvanizing iron which of the following metals is used?
SOLUTION ANALYSIS
Correct Option: D
Galvanization is the manufacturing process of applying a protective zinc coating to steel or iron to act as a barrier and prevent the underlying metal from rusting.
Question 43 of 47
Hint
Q68. Gabriel Daniel Fahrenheit was
SOLUTION ANALYSIS
Correct Option: D
Daniel Gabriel Fahrenheit was a prominent physicist and inventor who developed the first modern, highly accurate mercury-in-glass thermometer and created the Fahrenheit temperature scale.
Question 44 of 47
Hint
Q59. G-15 is an economic grouping of
SOLUTION ANALYSIS
Correct Option: C
The Group of 15 (G-15) was established in 1989 as an informal forum to foster cooperation and provide input for other international groups, comprising primarily developing nations (historically termed Third World Nations).
Question 45 of 47
Hint
Q56. First International Peace Congress was held in London in
SOLUTION ANALYSIS
Correct Option: C
The First General Peace Convention, or International Peace Congress, was convened in London in June 1843 to promote international arbitration and world peace.
Question 46 of 47
Hint
Q67. Himalayan Mountaineering Institute is at
SOLUTION ANALYSIS
Correct Option: A
The Himalayan Mountaineering Institute (HMI) was established in 1954 in Darjeeling, West Bengal. It was founded to encourage mountaineering as an organized sport in India following the ascent of Everest.
Question 47 of 47
Hint
Q42. Goa Shipyard Limited (GSL) was established in
SOLUTION ANALYSIS
Correct Option: B
Goa Shipyard Limited (GSL) is an Indian Government-owned shipbuilding company located on the west coast of India, officially established in 1957.
