Miscellaneous

Total Questions: 37

31. Which of the following statements about India's largest Charkha is/are true? [U.P.P.C.S. (Pre) 2019]

1. It was inaugurated in Noida.

2. It is made of used plastic waste.

Select the correct answer from codes given below:

(a) Onlyl
(b) Only 2
(c) Both 1 and 2
(d) Neither 1 nor 2

Correct Answer: (c) Both 1 and 2

Solution:On the eve of Mahatma Gandhi's 150th birth anniversary, India's largest 'Charkha' made of waste plastic was inaugurated in Noida. The charkha became a powerful symbol of the Indian freedom movement, representing resistance to British rule and a preference for self-reliance. Mahatma Gandhi adopted the charkha as a tool to promote economic self-sufficiency and non-violent protest against foreign goods. The charkha was used to spin yarn for khadi, a hand-spun and hand-woven fabric, which was championed by Gandhi as a way to promote indigenous industries. The charkha also appears on the Indian national flag, further reinforcing its significance.

32. How many Indian beaches have been recommended for the Blue Flag Certification recently? [66th B.P.S.C. (Pre) 2020]

(a) Six
(b) Seven
(c) Eight
(d) Nine
(e) None of the above/More than one of the above

Correct Answer: (c) Eight

Solution:Eight Indian beaches spread across five states and two union territories, have been awarded the 'Blue Flag Certification' by an eminent international jury, comprising members of UNEP (United Nations Environment Programme), UNWTO (United Nations World Tourism Organization), FEE (Foundation for Environment Education) and IUCN (International Union for Conservation of Nature). The beaches that have been awarded the 'Blue Flag' are Shivrajpur (Dwarka-Gujarat), Ghoghla (Diu), Kararkod and Padubidri (Karnataka), Kappad (Kerala), Rushikonda (Andhra Pradesh), Radhanagar (Andaman & Nicobar Islands) and Golden beach (Puri-Odisha). Recently (2023) India now has 12 Blue Flg beaches. Blue Beaches give a sense of pride to the community and attract tourism.

33. Where was the Mitti Bachao (Save the Soil) Movement started in India? [U.P.P.C.S. (Pre) 2020]

(a) Thane, Maharashtra
(b) Mysore, Karnataka
(c) Darbhanga, Bihar
(d) Hoshangabad, Madhya Pradesh

Correct Answer: (d) Hoshangabad, Madhya Pradesh

Solution:The Mitti Bachao (Save the soil) Movement was started in Hoshangabad district in Madhya Pradesh against the construction of Tawa Hydropower Project in 1977. The Campaign mobilized local farmers to demand compensation for the lands affected.Tawa Reservoir is a reservoir on the Tawa River in central India. It is located in Itarsi of Hoshangabad District of Madhya Pradesh state, above Betul district. The reservoir was formed by the construction of the Tawa Dam, which began in 1958 and was completed in 1978. Tawa Reservoir forms the western boundary of Satpura National Park and Bori Wildlife Sanctuary.

34. Arrange the following soils of India as per soil classification of USDA by ICAR in decreasing order of their area coverage: [Chhattisgarh P.C.S. (Pre) 2023]

(a) Ultisols > Entisols > Alfisols > Aridisols
(b) Entisols > Alfisols > Ultisols > Aridisols
(c) Entisols > Alfisols > Aridisols > Ultisols
(d) Alfisols > Aridisols > Ultisols > Entisols

Correct Answer: (c) Entisols > Alfisols > Aridisols > Ultisols

Solution:Soil order is the most general level of classification in the USDA (United States Department of Agriculture) system of Soil Taxonomy. Entisols cover about 16% of the world's ice-free land surface. These occur in areas recently deposited parent materials or in areas where erosion or deposition rates are faster than the rate of soil development; such as dunes, steep slopes, and flood plains. Alfisols cover about 12% of the world's ice-free land surface. Aridisols makes up about 10% of the world's ice-free land surface.

35. World's most problematic aquatic weed is: [Jharkhand P.C.S. (Pre) 2021]

(a) Azolla
(b) Eichornia
(c) Trapa
(d) Wolffia

Correct Answer: (b) Eichornia

Solution:Among common aquatic weeds, Eichhornia crassipes (water hyacinth) remains the most widely distributed and vicious aquatic weed. Water hyacinth has become the world's most invasive weed due to its rapid spread, ecological adaptability, and negative impacts it causes on the environment, economic development, and human health. Water hyacinth derives its origin from the Amazonia basin in South America and holds the reputation of being one of the most strenuous water weeds to manage.

36. Which of the following countries, along with Senegal, launched the International Drought Resilience Alliance during COP27? [68th B.P.S.C. (Pre) 2023]

(a) Spain
(b) Italy
(c) Germany
(d) More than one of the above
(e) None of the above

Correct Answer: (a) Spain

Solution:Spain along with Senegal, launched the International Drought Resilience Alliance (IDRA) during COP 27. The International Drought Resilience Alliance was first announced by Spain at the 77th session of the UN General Assembly in September, 2022 and it officially launched at the UNFCCC COP 27 in November, 2022. (Cop 28-Nov.-Dec. 2023, Dubai)

37. 'Net metering is sometimes seen in the news in the context of promoting the ____________. [I.A.S. (Pre) 2016]

(a) Production and use of solar energy by the households/ consumers.
(b) Use of piped natural gas in the kitchens of households.
(c) Installation of CNG kits in motor-cars.
(d) Installation of water meters in urban households.

Correct Answer: (a) Production and use of solar energy by the households/ consumers.

Solution:Net metering is a mechanism which allows domestic or commercial users who generate their own electricity using solar panels or photovoltaic systems to export their surplus energy back to the grid. How it works:
When your solar panels produce more electricity than you need, the excess is sent back to the utility grid. The utility company tracks the amount of energy you've sent back to the grid and gives you a credit on your bill. You can use these credits to offset the energy you draw from the grid when your solar panels aren't producing enough, like at night. You're only billed for the net difference between the energy you use from the grid and the energy you send back.

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