General Awareness Questions

American financial magazine Barron's has listed the name of HDFC Bank Managing Director Aditya Puri’s name in its list of world’s 30 best CEOs. He holds the 23rd position in the list beating social media giant Facebook’s CEO Mark Zuckerberg who is listed on the 30th spot.

The AIADMK IT Wing has launched the first-of-its-kind women safety application in Tamil Nadu. The app is called 'Ammavin Aran' meaning 'mother's fortress'.

Pinctada vulgaris is a bivalve from which pearl is obtained.

Top five most popular games world wide are :

Game name              -      Estimated  fans     -    Popular Regions

1. Soccer / Football      -      3.5 Billion    -     Europe, Africa, Asia, America

2. Cricket                    -      2.5 Billion     -    Asia, Australia, UK

3. Basketball               -      2.2 Billion     -    US, Canada, China and Philippines

4. Field Hockey           -       2 Billion       -     Europe, Africa, Asia, Australia

5. Tennis                    -       1 Billion       -     Europe, Americas, and Asia.

The Robe

Secondary pollutants include ozone, which is formed when hydrocarbons (HC) and nitrogen oxides (NOx) combine in the presence of sunlight.

Whereas Primary pollutant are those pollutants that are directly emitted from their sources, like CO2, CO, SO2 as these gases are directly emitted form burning of fossil fuels.

Acid rain, which is formed when sulfur dioxide or nitrogen oxides react with water, sulfuric acid etc.

Hence, Acidrain is a secondary air pollutant.