For Explanation https://www.youtube.com/@geodemyiasacademy

Which of the following pairs are correctly matched?
        Ports        -    Country
1.Marseille        -    France
2.Trieste            -    Italy
3.Piraeus           -    Greece 

The military exercise “Nomadic Elephant” was jointly held by India and 

Consider the following statements.
S1:  The idea of Stratospheric aerosol injection is controversial because the effects will be global 
S2: Stratospheric aerosol injection is a method in which aerosols are injected into the earth’s stratosphere at around 20 km altitude.

How many of the following statements are correct?
1. The Census is a Union list subject while The Census Act, 1948 is the key legislation governing the Census process.
2. A synchronous census is where population data is collected simultaneously across the country. 
3. Synchronous census was started in 1881 during the British period with W. C. Plowden being the first Census Commissioner of India.
4. The decennial Census had happened from 1881 till 1931 without a break in India. However, due to the world war II, the 1941 Census was postponed.