Recently, a report found out that only 49 out of 131 cities covered under National Clean Air Programme (NCAP) have shown improvement in air quality in FY2021-22. With reference to it, which of the following statements are correct?

1. NCAP covers the cities whose air quality did not meet the National Ambient Air Quality Standards (NAAQS) from 2011 to 2015.
2. The NCAP aims to bring a 40% reduction in pollution levels from PM2.5 and PM10 particles by 2026.
3. For disbursing funds, the Central Pollution Control Board, which coordinates the programme, only considers levels of PM10.

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Recently, DRDO has carried out a successful launch of Prithvi-II missile. With reference to it, which of the following statements is/are correct?

1. It has a range of around 350 kilometers.
2. It can carry both nuclear and conventional warheads.

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According to a new U.N. report, earth’s protective ozone layer is slowly but noticeably healing at a pace that would fully mend the hole over Antarctica in about 43 years. With reference to it, consider the following statements:

1. Geoengineering technologies such as stratospheric aerosol injection can have detrimental effect on the ozone layer.
2. About 90% of ozone occurs naturally in the Stratosphere.
3. When chlorine and bromine atoms come into contact with ozone in the stratosphere, they destroy ozone molecules.

Which of the statements given above are correct?

According to a new study, blackbucks in India have adapted well to natural and human-induced challenges to their survival. With reference to blackbuck, which of the following statements is/are correct?

1. Blackbuck is a species of antelope native to India and Nepal.
2. It has been declared as state animal of Madhya Pradesh.
3. It is protected under Schedule I of Wildlife Protection Act 1972.

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