Option (a) is correct

Explanation:

• Environment ministers from fifty-four African countries have acknowledged key environmental challenges faced by the continent — land degradation, desertification and drought – in the Addis Ababa declaration.
• In the Addis Ababa declaration, the countries have agreed to institute national and regional strategies to minimise environmental impacts in the extraction and processing of critical mineral resources. 
• The declaration prioritises urgent, wide-ranging action on environmental challenges related to climate change, plastics pollution, marine protection, biodiversity conservation and natural capital.

Option (d) is correct

Explanation:

• Responding to a Public Interest Litigation in the Supreme Court on the subject of the Bihar government’s decision to carry out a caste survey in the state, Centre categorically stated that the census process is governed by a central legislation, Census Act, 1948.
• A population Census is the process of collecting, compiling, analysing and disseminating demographic, social, cultural and economic data relating to all persons in the country, at a particular time in a ten year interval.
• Statement 1 is correct:The decennial Census is conducted by the Office of the Registrar General and Census Commissioner, Ministry of Home Affairs.
• Statement 2 is correct:The population census is a Union subject under Article 246 of India Constitution.
  • It is listed at serial number 69 of the seventh schedule of the constitution.
• First Census was conducted in 1881 which laid main emphasis on the classification of demographic, economic and social characteristics of the entire continent of British India (except Kashmir and French and Portuguese colonies).

Option (b) is correct

Explanation:

• Recently, India, Greece upgraded ties to strategic partnership, aiming to double trade by 2030.
• Greece is located in the southeastern region of the European continent, on the far southern edge of the Balkan Peninsula. 
• Greece lies at the juncture of the continents of Europe, Asia and Africa. It is positioned both in the Northern and Eastern hemispheres of the Earth. 
• Greece is bordered by North Macedonia and Bulgaria in the north, Albania in the northwest, and Turkey in the northeast.
• It is also bounded by the Aegean Sea in the east, Ionian Sea in the west, the Cretan Sea and the Mediterranean Sea in the south.

Image Credits: World Atlas

Option (c) is correct 

Explanation: 

• Consumer Price Index for Industrial Workers for July, 2023 increased by 3.3 points and stood at 139.7.
• The CPI is computed by averaging the prices of goods and services in a basket based on their share of household spending. 
• Statement 1 is not correct: It is prepared by the Central Statistics Office(CSO)which works under the Ministry of Statistics and Programme Implementation.
• Statement 2 is not correct: WPI gives high weightage to manufacturing commodities (around 63%), whereas the CPI gives high weightage to food items and other primary products (57%). 
• Statement 3 is correct: Services like housing, education, recreation are covered in CPI basket along with the goods.
• Statement 4 is not correct: WPI includes goods that businesses and consumers purchase but does not include services. CPI does not include those purchased by businesses. 

Option (b) is correct.

Explanation:

India’s first indigenously developed 700 MWe nuclear power reactor at the Kakrapar Atomic Power Project in Gujarat starts operations.

• Pair 1 is correctly matched: Kakrapar Atomic Power Station lies in the proximity of Tapi river in the state of Gujarat.
• Pair 2 is not correctly matched: Kaiga is located on Kadra Reservoir on Kali river in Uttar Kannada district in the state of Karnataka. 
• Pair 3 is not correctly matched: Kalpakkam Site is situated in the northern part of Tamil along the coast of Bay of Bengal.
• Pair 4 is correctly matched: Narora Atomic Power Station situated on the bank of river Ganga in Narora, District in Bulandshahar, Uttar Pradesh.