For explanation, http://www.youtube.com/@geodemyinstitute 

Consider the following seas?
1. Baltic Sea
2. Whites Sea
3. Black Sea
4. Caspian Sea
How many of the above seas have Russia as one of the littoral borders?

Which one of the following is the primary pollutant released in the Bhopal gas tragedy?

Which of the following is/are Scorpène-class submarines of Indian Navy built with the French assistance?
1.INS Kalvari
2.INS Khanderi
3.INS Karanj INS
4.INS Vagsheer
 

Central Ground Water Board recently reported that 56% of India’s districts have excessive nitrates defined as more than 45 mg per litre in groundwater, It occurred largely due to 

Which of the following pairs are correct?
Summit 2024           -    Cities
1. Biodiversity            -    South Korea
2. Plastic pollution     -    Columbia
3. Climate change      -    Baku
4. Desertification        -    Riyadh