Static Quiz 18 March 2024
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Static Quiz 18 March 2024 for UPSC Prelims
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- Question 1 of 5
1. Question
Consider the following statements regarding layers of soil
1. The O horizon is the upper layer of the topsoil which is mainly composed of organic materials.
2. B-Horizon is composed of nutrients leached from the O and A horizons.
3. C-Horizon is devoid of any organic matter and is made up of broken bedrock.
Which of the statements given above are correct?CorrectCorrect Answer : C
The B-Horizon or Subsoil
It is the subsurface horizon, present just below the topsoil and above the bedrock.
Hence, statement 2 is incorrect.IncorrectCorrect Answer : C
The B-Horizon or Subsoil
It is the subsurface horizon, present just below the topsoil and above the bedrock.
Hence, statement 2 is incorrect. - Question 2 of 5
2. Question
Consider the following statements :
1. India has more Thorium reserves than Uranium reserves.
2. Thorium is not a fissile material.
3. Uranium reserves in India cannot be extracted on a commercial scale due to low energy density
compared to the imported Uranium.
4. Prototype Fast Breeder Reactor (PFBR) built by India will use Thorium-232 as fuel.
Which of the statements given above are correct ?CorrectAnswer: D
A group called the Rare Metal Survey Unit (later renamed as Atomic Minerals Directorate for Exploration and Research) was formed by Govt. of India to locate good uranium deposits in the country. The pioneering work of the geologists brought to light many uranium occurrences in the Jaduguda of
Singhbhum Thrust belt (the first uranium deposit discovered in 1951 in the eastern part of the country). Soon, it became evident that this belt holds the potential for commercial uranium mining operations. This discovery of uranium at Jaduguda in this belt paved the way for intensive exploration work, and soon a few more deposits were brought to light in this area. Some of these deposits, like Bhatin, Narwapahar and Turamdih, are well-known uranium mines in the country.Apart from discoveries in the Singhbhum Thrust Belt, several uranium occurrences have also been found in the Cuddapah basin of Andhra Pradesh. These include Lambapur-Peddagattu, Chitral, Kuppunuru, Tumallapalle, and Rachakuntapalle, which have significantly contributed to the uranium reserve base of
India.Also, other deposits like Bagjata, Banduhurang and Mohuldih are being taken up for commercial mining
operations. So, Statement 3 is not correct.The Prototype Fast Breeder Reactor (PFBR) is a 500 MWe fast breeder nuclear reactor presently being constructed at the Madras Atomic Power Station in Kalpakkam, India. The Indira Gandhi Centre for Atomic Research (IGCAR) is responsible for the design of this reactor. The Kalpakkam PFBR is using uranium-238 not thorium, to breed new fissile material, in a sodium- cooled fast reactor design. However, thorium is more difficult to use than uranium as a fuel because it requires breeding, and global uranium prices remain low enough that breeding is unnecessary. So, Statement 4 is not correct.
IncorrectAnswer: D
A group called the Rare Metal Survey Unit (later renamed as Atomic Minerals Directorate for Exploration and Research) was formed by Govt. of India to locate good uranium deposits in the country. The pioneering work of the geologists brought to light many uranium occurrences in the Jaduguda of
Singhbhum Thrust belt (the first uranium deposit discovered in 1951 in the eastern part of the country). Soon, it became evident that this belt holds the potential for commercial uranium mining operations. This discovery of uranium at Jaduguda in this belt paved the way for intensive exploration work, and soon a few more deposits were brought to light in this area. Some of these deposits, like Bhatin, Narwapahar and Turamdih, are well-known uranium mines in the country.Apart from discoveries in the Singhbhum Thrust Belt, several uranium occurrences have also been found in the Cuddapah basin of Andhra Pradesh. These include Lambapur-Peddagattu, Chitral, Kuppunuru, Tumallapalle, and Rachakuntapalle, which have significantly contributed to the uranium reserve base of
India.Also, other deposits like Bagjata, Banduhurang and Mohuldih are being taken up for commercial mining
operations. So, Statement 3 is not correct.The Prototype Fast Breeder Reactor (PFBR) is a 500 MWe fast breeder nuclear reactor presently being constructed at the Madras Atomic Power Station in Kalpakkam, India. The Indira Gandhi Centre for Atomic Research (IGCAR) is responsible for the design of this reactor. The Kalpakkam PFBR is using uranium-238 not thorium, to breed new fissile material, in a sodium- cooled fast reactor design. However, thorium is more difficult to use than uranium as a fuel because it requires breeding, and global uranium prices remain low enough that breeding is unnecessary. So, Statement 4 is not correct.
- Question 3 of 5
3. Question
Consider the following statements :
1. Seismic P-waves are transverse in nature, while Seismic S-waves are longitudinal in nature.
2. Sound is a mechanical wave, while the light is a non-mechanical wave.
Which of the statements given above is/are correct ?CorrectAnswer: B
The direction of vibrations of S-waves is perpendicular to the wave direction in the vertical plane Secondary
waves (S-waves) are transverse and shear waves in nature, while the Primary waves (P-waves) are
longitudinal and compressional waves by nature. So, Statement 1 is not correct.IncorrectAnswer: B
The direction of vibrations of S-waves is perpendicular to the wave direction in the vertical plane Secondary
waves (S-waves) are transverse and shear waves in nature, while the Primary waves (P-waves) are
longitudinal and compressional waves by nature. So, Statement 1 is not correct. - Question 4 of 5
4. Question
Which of the following are the pollutants from the Aluminium industry ?
1. Fluoride emissions
2. Carbon monoxide
3. Polycyclic aromatic hydrocarbons (PAHs)
4. Sulphur dioxide
5. Benzopyrene
Select the correct answer using the code given below :CorrectAnswer: D
IncorrectAnswer: D
- Question 5 of 5
5. Question
Consider the following statements regarding Shale gas
1. Shale gas is found in unconventional reservoirs typically trapped in shale rock.
2. Shale rock have high permeability and were originally deposited as clay and silt.
3. Shale gas is generally found at 2000 to 5000 meters below the earth’s surface.
How many of the given statements are correct?CorrectCorrect Answer : B
Shale gas has abundant reserves around the world, which may be sufficient to meet the
demand of clean energy for many years to come. Shale gas is found in unconventional
reservoirs typically trapped in shale rock, having low permeability, originally
deposited as clay and silt. Hence, statement 2 is incorrect.IncorrectCorrect Answer : B
Shale gas has abundant reserves around the world, which may be sufficient to meet the
demand of clean energy for many years to come. Shale gas is found in unconventional
reservoirs typically trapped in shale rock, having low permeability, originally
deposited as clay and silt. Hence, statement 2 is incorrect.
