EDITORIALS & ARTICLES
September 22, 2020 - Daily Quiz
1. In the context of digital technologies for entertainment, consider the following statements:
- In Augmented Reality (AR) , a simulated environment is created and the physical world is completely shut out.
- In Virtual Reality (VR), images generated from a computer are projected onto real-life objects or surroundings.
- AR allows individuals to be present in the world and improves the experience using the camera of smart-phone or PC.
- VR closes the world, and transposes an individual, providing complete immersion experience.
Which of the statements given above is/are correct?
(a) 1 and 2 only
(b) 3 and 4
(c) 1, 2 and 3
(d) 4 only
2. Regarding the Indus Valley Civilization, consider the following statements:
- It was predominantly a secular civilization and the religious element, though present, did not dominate the scene.
- During this period, cotton was used for manufacturing textiles in India.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) neither 1 nor 2
3. Consider the following statements:
- Coal ash contains arsenic, lead and mercury.
- Coal-fired power plants release sulphur dioxide and oxides of nitrogen into the environment.
- High ash content is observed in Indian coal.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 and 3 only
(c) 3 only
(d) 1, 2 and 3
4. Consider the following statements:
The price of any currency in international market is decided by the
- World Bank
- demand for goods/services provided by the country concerned
- stability of the government of the concerned country
- economic potential of the country in question
Which of the statements given above are correct?
(a) 1, 2, 3 and 4
(b) 2 and 3 only
(c) 3 and 4 only
(d) 1 and 4 only
5. The word 'Denisovan' is sometimes mentioned in media in reference to
(a) fossils of a kind of dinosaurs
(b) an early human species
(c) a cave system found in North-East India.
(d) a geological period in the history of the Indian subcontinent
ANSWERS
1. (b)
2. (c) During the period of Indus Valley Civilization, people worshipped trees and other sacred animals which were completely material without any differentiation as per their birth, hence statement 1 is correct. In such period, Mehrgarh cotton which was the earliest cotton used as form for production of textiles cloth
3. (d) Coal ash contains contaminants like mercury, cadmium and arsenic. Without proper management, these contaminants can pollute waterways, ground water, drinking water, and the air.
The burning of coal releases many pollutants - oxides of nitrogen (NOx) and sulfur (SOx) - and particulate matter. They also emit greenhouse gases, such as carbon dioxide (CO2) and methane (CH4), which are known to contribute to global warming and climate change.
Coal India Limited announced that ash content of coal produced in the country is generally 25 to 45 % whereas average ash content of imported coal varies from 10 to 20 %. Indian Coal has comparatively higher ash content than imported coal due to drift theory of formation of coal deposits in India.
4. (b)
5. (b)
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