The process involved in achieving green hydrogen is:
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Correct answer: (A) Electrolysis Green hydrogen is made by the electrolysis of water using renewable electricity—the water splits into H₂ and O₂. Since the power comes from the sun or the wind, there is no carbon emission.
1 marks · 2024 · Set E
Question 52
Which technology can be used to revive deceased individuals?
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Correct answer: (A) Deepfake Deepfake technology copies a person's face, voice and manner closely enough to make a video in which even someone dead can be shown speaking. AI is the wider field, and a chatbot is only a program that converses.
1 marks · 2024 · Set E
Question 53
In the cost-of-living index parameter 2024, which country is better than India?
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Correct answer: (B) Pakistan On the cost-of-living index of 2024, Pakistan among the countries given was placed better than India.
1 marks · 2024 · Set E
Question 54
Who supported Gandhiji in the Champaran Satyagraha in 1917 in support of farmers?
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Correct answer: (B) Rajendra Prasad Among those who stood with Gandhiji in the Champaran Satyagraha of 1917, Rajendra Prasad was foremost. The movement was on behalf of the peasants forced to grow indigo.
1 marks · 2024 · Set E
Question 55
Which is the moon-like planet?
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Correct answer: (A) Mercury Mercury's surface is pitted with craters like the Moon's and it has almost no atmosphere of its own, which is why it is called the moon-like planet. Mars has a thin atmosphere and the Earth a dense one.
1 marks · 2024 · Set E
Question 56
On the basis of fossils, which is the place of origin of man?
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Correct answer: (A) Rift Valley of Africa On the evidence of fossils the place of man's origin is taken to be the Rift Valley of Africa, where the oldest remains of early humans have been found.
1 marks · 2024 · Set E
Question 57
In India, dry-point settlement is found in:
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Correct answer: (A) Flood-prone area Dry-point settlements grow where there is a danger of flood—people choose the higher, drier spots, such as the mounds in river valleys, to build on.
1 marks · 2024 · Set E
Question 58
In which district of Bihar is paddy crop production maximum?
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Correct answer: (B) Rohtas Rohtas district produces the most paddy in Bihar; it gets ample irrigation from the Son canal system.
1 marks · 2024 · Set E
Question 59
On which mountain is Tehran situated?
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Correct answer: (A) Alburz Tehran, the capital of Iran, lies at the foot of the Alburz range. The Zagros are in western Iran and the Makran in the south-east.
1 marks · 2024 · Set E
Question 60
The highest peak in the Eastern Ghats of India is:
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Correct answer: (C) Mahendragiri The highest peak of the Eastern Ghats is Mahendragiri, in Odisha. Anaimudi belongs to the Western Ghats and Kanchenjunga to the Himalaya.
1 marks · 2024 · Set E
Question 61
Which of these statements is not a valid reason for the depletion of flora and fauna?
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Correct answer: (E) None of the above The spread of agriculture, large development projects, and grazing with the gathering of fuelwood are all genuine causes of the loss of flora and fauna. None of them is an invalid reason, so the answer is ‘None of the above’.
1 marks · 2024 · Set E
Question 62
In which district of Bihar is silk textile production maximum?
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Correct answer: (B) Bhagalpur Bhagalpur produces the most silk cloth in Bihar and is called the Silk City; its tussar silk is especially well known.
1 marks · 2024 · Set E
Question 63
Who was the Viceroy of India during the Jallianwala Bagh massacre?
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Correct answer: (B) Lord Chelmsford The Jallianwala Bagh massacre took place at Amritsar on 13 April 1919, when Lord Chelmsford was Viceroy. Lord Curzon (1899–1905) is remembered for the partition of Bengal and Lord Irwin (1926–31) for the Gandhi-Irwin Pact.
1 marks · 2024 · Set E
Question 64
The first President of the Indian National Congress was:
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Correct answer: (B) W. C. Bonnerjee The first session of the Indian National Congress was held at Bombay in 1885 and its first President was W. C. Bonnerjee. Dadabhai Naoroji presided three times later.
1 marks · 2024 · Set E
Question 65
Who among the following is also known as the Grand Old Man of India?
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Correct answer: (B) Dadabhai Naoroji Dadabhai Naoroji is called the Grand Old Man of India. His ‘drain of wealth’ theory showed that British rule was carrying India's wealth away.
1 marks · 2024 · Set E
Question 66
Which of the following movements was started by M. K. Gandhi?
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Correct answer: (D) More than one of the above The Quit India Movement (1942) and the Non-Cooperation Movement (1920) were both begun by Mahatma Gandhi. The Swadeshi Movement started in 1905 against the partition of Bengal, before Gandhiji had even returned to India. So more than one option is correct.
1 marks · 2024 · Set E
Question 67
Who was the leader of the Bardoli Satyagraha?
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Correct answer: (A) Sardar Vallabhbhai Patel The Bardoli Satyagraha of 1928 was led by Vallabhbhai Patel. After that successful stand against the raised land revenue, the women there gave him the title ‘Sardar’.
1 marks · 2024 · Set E
Question 68
Who among the following is not associated with the Home Rule Movement?
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Correct answer: (E) None of the above Annie Besant and Bal Gangadhar Tilak were of course part of the Home Rule Movement, and Sarojini Naidu was an active member too. All three being associated with it, the answer is ‘None of the above’.
1 marks · 2024 · Set E
Question 69
Who founded the Bihar Provincial Congress Committee in 1920?
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Correct answer: (A) Dr. Rajendra Prasad The Bihar Provincial Congress Committee was founded in 1920 by Dr Rajendra Prasad, later the first President of India. Anugrah Narayan Sinha was his colleague, and Jayaprakash Narayan of a later generation.
1 marks · 2024 · Set E
Question 70
The All India Kisan Sabha (AIKS) was founded in Bihar in 1936 under the leadership of:
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Correct answer: (C) Swami Sahajanand Saraswati
1 marks · 2024 · Set E
Question 71
What is the process by which soil particles are moved by wind or water?
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Correct answer: (A) Erosion
1 marks · 2024 · Set E
Question 72
What type of landform is formed by the deposition of sediment at the mouth of a river?
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Correct answer: (B) Delta
1 marks · 2024 · Set E
Question 73
Which biome is characterized by low temperatures, permafrost and limited vegetation?
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Correct answer: (A) Tundra
1 marks · 2024 · Set E
Question 74
What term describes the process by which ice breaks off from a glacier and falls into the sea?
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Correct answer: (A) Calving
1 marks · 2024 · Set E
Question 75
What term describes the long-term patterns of temperature, precipitation and other weather variables in a region?
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Correct answer: (A) Climate
1 marks · 2024 · Set E
Question 76
What is the primary greenhouse gas responsible for trapping heat in the earth’s atmosphere?
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Correct answer: (C) Carbon dioxide
1 marks · 2024 · Set E
Question 77
What is the name for the phenomenon characterized by unusually warm ocean temperatures in the equatorial Pacific region?
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Correct answer: (A) El Niño
1 marks · 2024 · Set E
Question 78
Which factor primarily influences the isostatic equilibrium of a region?
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Correct answer: (A) Erosion and deposition
1 marks · 2024 · Set E
Question 79
What theory explains the movement of Earth’s lithosphere plates?
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Correct answer: (C) Plate tectonics
1 marks · 2024 · Set E
Question 80
Which feature is commonly associated with convergent plate boundaries?
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Correct answer: (C) Deep-ocean trenches
1 marks · 2024 · Set E
Question 81
Which agent of denudation primarily acts on rocks through the mechanical breakdown of material?
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Correct answer: (A) Weathering
1 marks · 2024 · Set E
Question 82
What is believed to have triggered the collapse of the solar nebula according to the nebular hypothesis?
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Correct answer: (A) Supernova explosion
1 marks · 2024 · Set E
Question 83
Which of the following is not a primary classification of air masses based on their source regions?
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Correct answer: (E) None of the above
1 marks · 2024 · Set E
Question 84
Which factor primarily influences the temperature and humidity characteristics of an air mass?
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Correct answer: (B) Source region
1 marks · 2024 · Set E
Question 85
Which of the following factors primarily determines a region’s climate?
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Correct answer: (C) Geographic location and latitude
1 marks · 2024 · Set E
Question 86
What is Köppen’s climate classification system primarily based on?
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Correct answer: (A) Temperature and precipitation
1 marks · 2024 · Set E
Question 87
Which climate type is characterized by hot temperatures year-round with little to no precipitation?
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Correct answer: (B) Desert
1 marks · 2024 · Set E
Question 88
Which term describes a large flat area of the ocean floor found between the continental rise and the mid-ocean ridge?
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Correct answer: (A) Abyssal plain
1 marks · 2024 · Set E
Question 89
What drives the movement of ocean currents?
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Correct answer: (A) Wind
1 marks · 2024 · Set E
Question 90
Which ocean current transports warm water from the Gulf of Mexico across the Atlantic Ocean to Western Europe, affecting its climate?
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Correct answer: (A) Gulf Stream
1 marks · 2024 · Set E
Question 91
The line which joins points of equal salinity is known as:
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Correct answer: (B) Isohaline
1 marks · 2024 · Set E
Question 92
Which soil type has particles that are larger than clay but smaller than sand?
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Correct answer: (A) Silt
1 marks · 2024 · Set E
Question 93
How does climate change affect fisheries?
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Correct answer: (C) It alters ocean temperatures and habitats
1 marks · 2024 · Set E
Question 94
What is the primary coal-producing region in the United States?
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Correct answer: (B) Powder River Basin
1 marks · 2024 · Set E
Question 95
Which Middle Eastern country is the largest producer of petroleum?
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Correct answer: (A) Saudi Arabia
1 marks · 2024 · Set E
Question 96
What is the significance of the Strait of Hormuz in relation to petroleum in the Middle East?
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Correct answer: (B) It is a crucial chokepoint for global petroleum exports
1 marks · 2024 · Set E
Question 97
What are the environmental impacts associated with iron ore mining in Russia and Australia?
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Correct answer: (D) More than one of the above
1 marks · 2024 · Set E
Question 98
In which state of the USA is manganese mining significant?
See answer
Correct answer: (C) Georgia
1 marks · 2024 · Set E
Question 99
Which of the following are sustainable farming practices?
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Correct answer: (D) More than one of the above
1 marks · 2024 · Set E
Question 100
How does agriculture contribute to greenhouse gas emissions?