World 'No-Tobacco Day' is observed on-

Which one of the following ecosystems covers the largest area of the earth's surface?

In Cricket game the length of pitch between the two wickets is-

IMF (International Monitory Fund) is the result of-

Dengue fever is spread by-

$$\sqrt{169}$$​ is equal to-

Badminton is the national sport of-

EURO is the currency of-

Photosynthesis takes place in-

The term PC means-